diff options
| -rw-r--r-- | Makefile | 8 | ||||
| -rw-r--r-- | Setup.hs | 84 | ||||
| -rw-r--r-- | templates/ASCIIMathML.hs | 2 | ||||
| -rw-r--r-- | templates/ASCIIMathML.js.comment | 2 | ||||
| -rw-r--r-- | templates/ASCIIMathML.js.packed | 374 | ||||
| -rw-r--r-- | templates/DefaultHeaders.hs | 8 | ||||
| -rw-r--r-- | templates/Makefile | 20 | ||||
| -rw-r--r-- | templates/S5.hs | 14 | ||||
| -rwxr-xr-x | templates/fillTemplates.pl | 131 | ||||
| -rw-r--r-- | templates/ui/default/pretty.css | 2 | ||||
| -rw-r--r-- | templates/ui/default/slides.js.comment | 4 | ||||
| -rw-r--r-- | templates/ui/default/slides.js.packed | 74 | ||||
| -rw-r--r-- | tests/s5.basic.html | 627 | ||||
| -rw-r--r-- | tests/s5.fancy.html | 4228 |
14 files changed, 1079 insertions, 4499 deletions
@@ -92,10 +92,6 @@ all: build-program %.1: %.1.md $(MAIN) ./$(MAIN) -s -S -w man $< >$@ || rm -f $@ -.PHONY: templates -templates: - $(MAKE) -C $(SRCDIR)/templates - define generate-shell-script echo >&2 "Generating $@..."; \ awk ' \ @@ -126,7 +122,7 @@ $(CABAL_BACKUP): .PHONY: configure cleanup_files+=Setup.hi Setup.o $(BUILDCMD) $(BUILDVARS) -configure: $(BUILDCONF) templates +configure: $(BUILDCONF) $(BUILDCMD): Setup.hs $(GHC) -package Cabal Setup.hs -o $(BUILDCMD) $(BUILDCONF): $(CABAL) $(CABAL_BACKUP) $(BUILDCMD) @@ -292,7 +288,6 @@ cleanup_files+=$(tarball) tarball: $(tarball) $(tarball): svn export . $(PKGID) - $(MAKE) -C $(PKGID) templates $(MAKE) -C $(PKGID) wrappers tar cvzf $(tarball) $(PKGID) -rm -rf $(PKGID) @@ -352,6 +347,5 @@ distclean: clean fi clean: - make -C $(SRCDIR)/templates clean -if [ -f $(BUILDCONF) ]; then $(BUILDCMD) clean; fi -rm -rf $(cleanup_files) @@ -1,2 +1,84 @@ import Distribution.Simple -main = defaultMain +import Distribution.Simple.Setup +import Distribution.PackageDescription +import Distribution.Simple.LocalBuildInfo +import System.FilePath (combine, joinPath, takeFileName) +import System.Directory (getDirectoryContents, removeFile) +import System.IO (readFile, writeFile) +import Control.Monad (foldM) +import Data.List (isPrefixOf) + +main = defaultMainWithHooks myHooks + +myHooks = defaultUserHooks { postConf = myPostConf, postClean = myPostClean } + +pandocPath = combine "Text" "Pandoc" + +-- Builds Text/Pandoc/ASCIIMathML.hs, Text/Pandoc/Writers/S5.hs, and +-- Text/Pandoc/Writers/DefaultHeaders.hs from templates and data. +myPostConf :: Args -> ConfigFlags -> PackageDescription -> LocalBuildInfo -> IO () +myPostConf _ configFlags pkgDescription buildInfo = do + putStrLn "Generating source files from templates..." + fillAsciiMathMLTemplate + fillS5WriterTemplate + fillDefaultHeadersTemplate + +-- Fill templateFile with data in dataFiles and write to outputFile. +fillTemplate :: [FilePath] -> FilePath -> FilePath -> IO () +fillTemplate dataFiles templateFile outputFile = do + template <- readFile (combine "templates" templateFile) + filled <- foldM processFile template $ map (combine "templates") dataFiles + writeTemplate (combine pandocPath outputFile) filled + +fillAsciiMathMLTemplate :: IO () +fillAsciiMathMLTemplate = + fillTemplate ["ASCIIMathML.js.comment", "ASCIIMathML.js.packed"] "ASCIIMathML.hs" "ASCIIMathML.hs" + +fillS5WriterTemplate :: IO () +fillS5WriterTemplate = + let s5Path = joinPath ["ui", "default"] + files = map (combine s5Path) ["slides.js.comment", "slides.js.packed", "s5-core.css", + "framing.css", "pretty.css", "opera.css", "outline.css", "print.css"] + in fillTemplate files "S5.hs" (combine "Writers" "S5.hs") + +fillDefaultHeadersTemplate :: IO () +fillDefaultHeadersTemplate = do + files <- getDirectoryContents (combine "templates" "headers") >>= + return . map (combine "headers") . filter (\x -> not (x `elem` [".",".."])) + fillTemplate files "DefaultHeaders.hs" (combine "Writers" "DefaultHeaders.hs") + +-- Post-clean: remove the files generated from templates. +myPostClean :: Args -> CleanFlags -> PackageDescription -> Maybe LocalBuildInfo -> IO () +myPostClean _ _ _ _ = do + putStrLn "Removing source files generated from templates:" + removeGeneratedFile $ joinPath [pandocPath, "ASCIIMathML.hs"] + removeGeneratedFile $ joinPath [pandocPath, "Writers", "S5.hs"] + removeGeneratedFile $ joinPath [pandocPath, "Writers", "DefaultHeaders.hs"] + +-- Remove file and print message. +removeGeneratedFile :: FilePath -> IO () +removeGeneratedFile fpath = do + putStrLn $ " " ++ fpath + removeFile fpath + +-- Write the filled template file and print an explanatory message. +writeTemplate :: FilePath -> String -> IO () +writeTemplate outfile contents = do + putStrLn $ " " ++ outfile + writeFile outfile contents + +-- Read contents of fpath and insert in template replacing @fpath@. +processFile :: String -> FilePath -> IO String +processFile template fpath = do + contents <- readFile fpath >>= return . show + return $ substitute ("@" ++ takeFileName fpath ++ "@") contents template + +-- Replace each occurrence of one sublist in a list with another. +substitute :: (Eq a) => [a] -> [a] -> [a] -> [a] +substitute _ _ [] = [] +substitute [] _ lst = lst +substitute target replacement lst = + if target `isPrefixOf` lst + then replacement ++ (substitute target replacement $ drop (length target) lst) + else (head lst):(substitute target replacement $ tail lst) + diff --git a/templates/ASCIIMathML.hs b/templates/ASCIIMathML.hs index 1d04c6ff7..b3454d385 100644 --- a/templates/ASCIIMathML.hs +++ b/templates/ASCIIMathML.hs @@ -4,4 +4,4 @@ module Text.Pandoc.ASCIIMathML ( asciiMathMLScript ) where -- | String containing ASCIIMathML javascript. asciiMathMLScript :: String -asciiMathMLScript = "<script type=\"text/javascript\">\n@ASCIIMathML.js@</script>\n" +asciiMathMLScript = "<script type=\"text/javascript\">\n" ++ @ASCIIMathML.js.comment@ ++ @ASCIIMathML.js.packed@ ++ "</script>\n" diff --git a/templates/ASCIIMathML.js.comment b/templates/ASCIIMathML.js.comment new file mode 100644 index 000000000..8721031e1 --- /dev/null +++ b/templates/ASCIIMathML.js.comment @@ -0,0 +1,2 @@ +/* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL + See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ diff --git a/templates/ASCIIMathML.js.packed b/templates/ASCIIMathML.js.packed new file mode 100644 index 000000000..eabb35af7 --- /dev/null +++ b/templates/ASCIIMathML.js.packed @@ -0,0 +1,374 @@ +var mathcolor="";var mathfontsize="1em";var mathfontfamily="serif";var automathrecognize=false;var checkForMathML=true;var notifyIfNoMathML=true;var alertIfNoMathML=false;var translateOnLoad=true;var translateLaTeX=true;var translateLaTeXformatting=true;var translateASCIIMath=true;var translateASCIIsvg=true;var avoidinnerHTML=false;var displaystyle=true;var showasciiformulaonhover=true;var decimalsign=".";var AMdelimiter1="`",AMescape1="\\\\`";var AMdocumentId="wikitext" +var checkforprocessasciimathinmoodle=false;var dsvglocation="";var isIE=document.createElementNS==null;var noMathML=false,translated=false;if(isIE){document.write("<object id=\"mathplayer\"\ + classid=\"clsid:32F66A20-7614-11D4-BD11-00104BD3F987\"></object>");document.write("<?import namespace=\"m\" implementation=\"#mathplayer\"?>");} +function setStylesheet(s){var id="AMMLcustomStyleSheet";var n=document.getElementById(id);if(document.createStyleSheet){if(n) +n.parentNode.removeChild(n);document.getElementsByTagName("head")[0].insertAdjacentHTML("beforeEnd"," <style id='"+id+"'>"+s+"</style>");}else{if(n){n.replaceChild(document.createTextNode(s),n.firstChild);}else{n=document.createElement("style");n.type="text/css";n.id=id;n.appendChild(document.createTextNode(s));document.getElementsByTagName("head")[0].appendChild(n);}}} +setStylesheet("#AMMLcloseDiv \{font-size:0.8em; padding-top:1em; color:#014\}\n#AMMLwarningBox \{position:absolute; width:100%; top:0; left:0; z-index:200; text-align:center; font-size:1em; font-weight:bold; padding:0.5em 0 0.5em 0; color:#ffc; background:#c30\}");function init(){var msg,warnings=new Array();if(document.getElementById==null){alert("This webpage requires a recent browser such as Mozilla Firefox/Netscape 7+ or Internet Explorer 6+ with MathPlayer and Adobe SVGviewer");return null;} +if(checkForMathML&&(msg=checkMathML()))warnings.push(msg);if(checkIfSVGavailable&&(msg=checkSVG()))warnings.push(msg);if(warnings.length>0)displayWarnings(warnings);if(!noMathML)initSymbols();return true;} +function checkMathML(){if(navigator.appName.slice(0,8)=="Netscape") +if(navigator.appVersion.slice(0,1)>="5")noMathML=null;else noMathML=true;else if(navigator.appName.slice(0,9)=="Microsoft") +try{var ActiveX=new ActiveXObject("MathPlayer.Factory.1");noMathML=null;}catch(e){noMathML=true;} +else noMathML=true;if(noMathML&¬ifyIfNoMathML){var msg="To view the ASCIIMathML notation use Internet Explorer + MathPlayer or Mozilla Firefox 2.0 or later.";if(alertIfNoMathML) +alert(msg);else return msg;}} +function hideWarning(){var body=document.getElementsByTagName("body")[0];body.removeChild(document.getElementById('AMMLwarningBox'));body.onclick=null;} +function displayWarnings(warnings){var i,frag,nd=createElementXHTML("div");var body=document.getElementsByTagName("body")[0];body.onclick=hideWarning;nd.id='AMMLwarningBox';for(i=0;i<warnings.length;i++){frag=createElementXHTML("div");frag.appendChild(document.createTextNode(warnings[i]));frag.style.paddingBottom="1.0em";nd.appendChild(frag);} +nd.appendChild(createElementXHTML("p"));nd.appendChild(document.createTextNode("For instructions see the "));var an=createElementXHTML("a");an.appendChild(document.createTextNode("ASCIIMathML"));an.setAttribute("href","http://www.chapman.edu/~jipsen/asciimath.html");nd.appendChild(an);nd.appendChild(document.createTextNode(" homepage"));an=createElementXHTML("div");an.id='AMMLcloseDiv';an.appendChild(document.createTextNode('(click anywhere to close this warning)'));nd.appendChild(an);var body=document.getElementsByTagName("body")[0];body.insertBefore(nd,body.childNodes[0]);} +function translate(spanclassAM){if(!translated){translated=true;var body=document.getElementsByTagName("body")[0];var processN=document.getElementById(AMdocumentId);if(translateLaTeX)LMprocessNode((processN!=null?processN:body));if(translateASCIIMath)AMprocessNode((processN!=null?processN:body),false,spanclassAM);}} +function createElementXHTML(t){if(isIE)return document.createElement(t);else return document.createElementNS("http://www.w3.org/1999/xhtml",t);} +function createMmlNode(t,frag){if(isIE)var node=document.createElement("m:"+t);else var node=document.createElementNS("http://www.w3.org/1998/Math/MathML",t);if(frag)node.appendChild(frag);return node;} +var 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AMbbb},{input:"mathbb",tag:"mstyle",atname:"mathvariant",atval:"double-struck",output:"mathbb",tex:null,ttype:UNARY,codes:AMbbb},{input:"cc",tag:"mstyle",atname:"mathvariant",atval:"script",output:"cc",tex:null,ttype:UNARY,codes:AMcal},{input:"mathcal",tag:"mstyle",atname:"mathvariant",atval:"script",output:"mathcal",tex:null,ttype:UNARY,codes:AMcal},{input:"tt",tag:"mstyle",atname:"fontfamily",atval:"monospace",output:"tt",tex:null,ttype:UNARY},{input:"mathtt",tag:"mstyle",atname:"fontfamily",atval:"monospace",output:"mathtt",tex:null,ttype:UNARY},{input:"fr",tag:"mstyle",atname:"mathvariant",atval:"fraktur",output:"fr",tex:null,ttype:UNARY,codes:AMfrk},{input:"mathfrak",tag:"mstyle",atname:"mathvariant",atval:"fraktur",output:"mathfrak",tex:null,ttype:UNARY,codes:AMfrk}];function compareNames(s1,s2){if(s1.input>s2.input)return 1 +else return-1;} +var AMnames=[];function initSymbols(){var texsymbols=[],i;for(i=0;i<AMsymbols.length;i++) +if(AMsymbols[i].tex) +texsymbols[texsymbols.length]={input:AMsymbols[i].tex,tag:AMsymbols[i].tag,output:AMsymbols[i].output,ttype:AMsymbols[i].ttype};AMsymbols=AMsymbols.concat(texsymbols);refreshSymbols();} +function refreshSymbols(){var i;AMsymbols.sort(compareNames);for(i=0;i<AMsymbols.length;i++)AMnames[i]=AMsymbols[i].input;LMsymbols.sort(compareNames);for(i=0;i<LMsymbols.length;i++)LMnames[i]=LMsymbols[i].input;} +function define(oldstr,newstr){if(oldstr.substr(0,1)=="\\") +LMsymbols=LMsymbols.concat([{input:oldstr,tag:"mo",output:newstr,ttype:DEFINITION}]);else +AMsymbols=AMsymbols.concat([{input:oldstr,tag:"mo",output:newstr,tex:null,ttype:DEFINITION}]);refreshSymbols();} +function AMremoveCharsAndBlanks(str,n){var st;if(str.charAt(n)=="\\"&&str.charAt(n+1)!="\\"&&str.charAt(n+1)!=" ") +st=str.slice(n+1);else st=str.slice(n);for(var i=0;i<st.length&&st.charCodeAt(i)<=32;i=i+1);return st.slice(i);} +function position(arr,str,n){if(n==0){var h,m;n=-1;h=arr.length;while(n+1<h){m=(n+h)>>1;if(arr[m]<str)n=m;else h=m;} +return h;}else +for(var i=n;i<arr.length&&arr[i]<str;i++);return i;} +function AMgetSymbol(str){var k=0;var j=0;var mk;var st;var tagst;var match="";var more=true;for(var i=1;i<=str.length&&more;i++){st=str.slice(0,i);j=k;k=position(AMnames,st,j);if(k<AMnames.length&&str.slice(0,AMnames[k].length)==AMnames[k]){match=AMnames[k];mk=k;i=match.length;} +more=k<AMnames.length&&str.slice(0,AMnames[k].length)>=AMnames[k];} +AMpreviousSymbol=AMcurrentSymbol;if(match!=""){AMcurrentSymbol=AMsymbols[mk].ttype;return AMsymbols[mk];} +AMcurrentSymbol=CONST;k=1;st=str.slice(0,1);var integ=true;while("0"<=st&&st<="9"&&k<=str.length){st=str.slice(k,k+1);k++;} +if(st==decimalsign){st=str.slice(k,k+1);if("0"<=st&&st<="9"){integ=false;k++;while("0"<=st&&st<="9"&&k<=str.length){st=str.slice(k,k+1);k++;}}} +if((integ&&k>1)||k>2){st=str.slice(0,k-1);tagst="mn";}else{k=2;st=str.slice(0,1);tagst=(("A">st||st>"Z")&&("a">st||st>"z")?"mo":"mi");} +if(st=="-"&&AMpreviousSymbol==INFIX){AMcurrentSymbol=INFIX;return{input:st,tag:tagst,output:st,ttype:UNARY,func:true};} +return{input:st,tag:tagst,output:st,ttype:CONST};} +function AMremoveBrackets(node){var st;if(node.nodeName=="mrow"){st=node.firstChild.firstChild.nodeValue;if(st=="("||st=="["||st=="{")node.removeChild(node.firstChild);} +if(node.nodeName=="mrow"){st=node.lastChild.firstChild.nodeValue;if(st==")"||st=="]"||st=="}")node.removeChild(node.lastChild);}} +var AMnestingDepth,AMpreviousSymbol,AMcurrentSymbol;function AMparseSexpr(str){var symbol,node,result,i,st,newFrag=document.createDocumentFragment();str=AMremoveCharsAndBlanks(str,0);symbol=AMgetSymbol(str);if(symbol==null||symbol.ttype==RIGHTBRACKET&&AMnestingDepth>0){return[null,str];} +if(symbol.ttype==DEFINITION){str=symbol.output+AMremoveCharsAndBlanks(str,symbol.input.length);symbol=AMgetSymbol(str);} +switch(symbol.ttype){case UNDEROVER:case CONST:str=AMremoveCharsAndBlanks(str,symbol.input.length);return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str];case LEFTBRACKET:AMnestingDepth++;str=AMremoveCharsAndBlanks(str,symbol.input.length);result=AMparseExpr(str,true);AMnestingDepth--;if(typeof symbol.invisible=="boolean"&&symbol.invisible) +node=createMmlNode("mrow",result[0]);else{node=createMmlNode("mo",document.createTextNode(symbol.output));node=createMmlNode("mrow",node);node.appendChild(result[0]);} +return[node,result[1]];case TEXT:if(symbol!=AMquote)str=AMremoveCharsAndBlanks(str,symbol.input.length);if(str.charAt(0)=="{")i=str.indexOf("}");else if(str.charAt(0)=="(")i=str.indexOf(")");else if(str.charAt(0)=="[")i=str.indexOf("]");else if(symbol==AMquote)i=str.slice(1).indexOf("\"")+1;else i=0;if(i==-1)i=str.length;st=str.slice(1,i);if(st.charAt(0)==" "){node=createMmlNode("mspace");node.setAttribute("width","1ex");newFrag.appendChild(node);} +newFrag.appendChild(createMmlNode(symbol.tag,document.createTextNode(st)));if(st.charAt(st.length-1)==" "){node=createMmlNode("mspace");node.setAttribute("width","1ex");newFrag.appendChild(node);} +str=AMremoveCharsAndBlanks(str,i+1);return[createMmlNode("mrow",newFrag),str];case UNARY:str=AMremoveCharsAndBlanks(str,symbol.input.length);result=AMparseSexpr(str);if(result[0]==null)return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str];if(typeof symbol.func=="boolean"&&symbol.func){st=str.charAt(0);if(st=="^"||st=="_"||st=="/"||st=="|"||st==","){return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str];}else{node=createMmlNode("mrow",createMmlNode(symbol.tag,document.createTextNode(symbol.output)));node.appendChild(result[0]);return[node,result[1]];}} +AMremoveBrackets(result[0]);if(symbol.input=="sqrt"){return[createMmlNode(symbol.tag,result[0]),result[1]];}else if(typeof symbol.acc=="boolean"&&symbol.acc){node=createMmlNode(symbol.tag,result[0]);node.appendChild(createMmlNode("mo",document.createTextNode(symbol.output)));return[node,result[1]];}else{if(!isIE&&typeof symbol.codes!="undefined"){for(i=0;i<result[0].childNodes.length;i++) +if(result[0].childNodes[i].nodeName=="mi"||result[0].nodeName=="mi"){st=(result[0].nodeName=="mi"?result[0].firstChild.nodeValue:result[0].childNodes[i].firstChild.nodeValue);var newst=[];for(var j=0;j<st.length;j++) +if(st.charCodeAt(j)>64&&st.charCodeAt(j)<91)newst=newst+ +String.fromCharCode(symbol.codes[st.charCodeAt(j)-65]);else newst=newst+st.charAt(j);if(result[0].nodeName=="mi") +result[0]=createMmlNode("mo").appendChild(document.createTextNode(newst));else result[0].replaceChild(createMmlNode("mo").appendChild(document.createTextNode(newst)),result[0].childNodes[i]);}} +node=createMmlNode(symbol.tag,result[0]);node.setAttribute(symbol.atname,symbol.atval);return[node,result[1]];} +case BINARY:str=AMremoveCharsAndBlanks(str,symbol.input.length);result=AMparseSexpr(str);if(result[0]==null)return[createMmlNode("mo",document.createTextNode(symbol.input)),str];AMremoveBrackets(result[0]);var result2=AMparseSexpr(result[1]);if(result2[0]==null)return[createMmlNode("mo",document.createTextNode(symbol.input)),str];AMremoveBrackets(result2[0]);if(symbol.input=="root"||symbol.input=="stackrel") +newFrag.appendChild(result2[0]);newFrag.appendChild(result[0]);if(symbol.input=="frac")newFrag.appendChild(result2[0]);return[createMmlNode(symbol.tag,newFrag),result2[1]];case INFIX:str=AMremoveCharsAndBlanks(str,symbol.input.length);return[createMmlNode("mo",document.createTextNode(symbol.output)),str];case SPACE:str=AMremoveCharsAndBlanks(str,symbol.input.length);node=createMmlNode("mspace");node.setAttribute("width","1ex");newFrag.appendChild(node);newFrag.appendChild(createMmlNode(symbol.tag,document.createTextNode(symbol.output)));node=createMmlNode("mspace");node.setAttribute("width","1ex");newFrag.appendChild(node);return[createMmlNode("mrow",newFrag),str];case LEFTRIGHT:AMnestingDepth++;str=AMremoveCharsAndBlanks(str,symbol.input.length);result=AMparseExpr(str,false);AMnestingDepth--;var st="";if(result[0].lastChild!=null) +st=result[0].lastChild.firstChild.nodeValue;if(st=="|"){node=createMmlNode("mo",document.createTextNode(symbol.output));node=createMmlNode("mrow",node);node.appendChild(result[0]);return[node,result[1]];}else{node=createMmlNode("mo",document.createTextNode("\u2223"));node=createMmlNode("mrow",node);return[node,str];} +default:str=AMremoveCharsAndBlanks(str,symbol.input.length);return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str];}} +function AMparseIexpr(str){var symbol,sym1,sym2,node,result,underover;str=AMremoveCharsAndBlanks(str,0);sym1=AMgetSymbol(str);result=AMparseSexpr(str);node=result[0];str=result[1];symbol=AMgetSymbol(str);if(symbol.ttype==INFIX&&symbol.input!="/"){str=AMremoveCharsAndBlanks(str,symbol.input.length);result=AMparseSexpr(str);if(result[0]==null) +result[0]=createMmlNode("mo",document.createTextNode("\u25A1"));else AMremoveBrackets(result[0]);str=result[1];if(symbol.input=="_"){sym2=AMgetSymbol(str);underover=(sym1.ttype==UNDEROVER);if(sym2.input=="^"){str=AMremoveCharsAndBlanks(str,sym2.input.length);var res2=AMparseSexpr(str);AMremoveBrackets(res2[0]);str=res2[1];node=createMmlNode((underover?"munderover":"msubsup"),node);node.appendChild(result[0]);node.appendChild(res2[0]);node=createMmlNode("mrow",node);}else{node=createMmlNode((underover?"munder":"msub"),node);node.appendChild(result[0]);}}else{node=createMmlNode(symbol.tag,node);node.appendChild(result[0]);}} +return[node,str];} +function AMparseExpr(str,rightbracket){var symbol,node,result,i,nodeList=[],newFrag=document.createDocumentFragment();do{str=AMremoveCharsAndBlanks(str,0);result=AMparseIexpr(str);node=result[0];str=result[1];symbol=AMgetSymbol(str);if(symbol.ttype==INFIX&&symbol.input=="/"){str=AMremoveCharsAndBlanks(str,symbol.input.length);result=AMparseIexpr(str);if(result[0]==null) +result[0]=createMmlNode("mo",document.createTextNode("\u25A1"));else AMremoveBrackets(result[0]);str=result[1];AMremoveBrackets(node);node=createMmlNode(symbol.tag,node);node.appendChild(result[0]);newFrag.appendChild(node);symbol=AMgetSymbol(str);} +else if(node!=undefined)newFrag.appendChild(node);}while((symbol.ttype!=RIGHTBRACKET&&(symbol.ttype!=LEFTRIGHT||rightbracket)||AMnestingDepth==0)&&symbol!=null&&symbol.output!="");if(symbol.ttype==RIGHTBRACKET||symbol.ttype==LEFTRIGHT){var len=newFrag.childNodes.length;if(len>0&&newFrag.childNodes[len-1].nodeName=="mrow"&&len>1&&newFrag.childNodes[len-2].nodeName=="mo"&&newFrag.childNodes[len-2].firstChild.nodeValue==","){var right=newFrag.childNodes[len-1].lastChild.firstChild.nodeValue;if(right==")"||right=="]"){var left=newFrag.childNodes[len-1].firstChild.firstChild.nodeValue;if(left=="("&&right==")"&&symbol.output!="}"||left=="["&&right=="]"){var pos=[];var matrix=true;var m=newFrag.childNodes.length;for(i=0;matrix&&i<m;i=i+2){pos[i]=[];node=newFrag.childNodes[i];if(matrix)matrix=node.nodeName=="mrow"&&(i==m-1||node.nextSibling.nodeName=="mo"&&node.nextSibling.firstChild.nodeValue==",")&&node.firstChild.firstChild.nodeValue==left&&node.lastChild.firstChild.nodeValue==right;if(matrix) +for(var j=0;j<node.childNodes.length;j++) +if(node.childNodes[j].firstChild.nodeValue==",") +pos[i][pos[i].length]=j;if(matrix&&i>1)matrix=pos[i].length==pos[i-2].length;} +if(matrix){var row,frag,n,k,table=document.createDocumentFragment();for(i=0;i<m;i=i+2){row=document.createDocumentFragment();frag=document.createDocumentFragment();node=newFrag.firstChild;n=node.childNodes.length;k=0;node.removeChild(node.firstChild);for(j=1;j<n-1;j++){if(typeof pos[i][k]!="undefined"&&j==pos[i][k]){node.removeChild(node.firstChild);row.appendChild(createMmlNode("mtd",frag));k++;}else frag.appendChild(node.firstChild);} 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mi",output:"sinh",ttype:UNARY,func:true},{input:"\\sup",tag:"mo",output:"sup",ttype:UNDEROVER},{input:"\\tan",tag:"mi",output:"tan",ttype:UNARY,func:true},{input:"\\tanh",tag:"mi",output:"tanh",ttype:UNARY,func:true},{input:"\\gets",tag:"mo",output:"\u2190",ttype:CONST},{input:"\\leftarrow",tag:"mo",output:"\u2190",ttype:CONST},{input:"\\to",tag:"mo",output:"\u2192",ttype:CONST},{input:"\\rightarrow",tag:"mo",output:"\u2192",ttype:CONST},{input:"\\leftrightarrow",tag:"mo",output:"\u2194",ttype:CONST},{input:"\\uparrow",tag:"mo",output:"\u2191",ttype:CONST},{input:"\\downarrow",tag:"mo",output:"\u2193",ttype:CONST},{input:"\\updownarrow",tag:"mo",output:"\u2195",ttype:CONST},{input:"\\Leftarrow",tag:"mo",output:"\u21D0",ttype:CONST},{input:"\\Rightarrow",tag:"mo",output:"\u21D2",ttype:CONST},{input:"\\Leftrightarrow",tag:"mo",output:"\u21D4",ttype:CONST},{input:"\\iff",tag:"mo",output:"~\\Longleftrightarrow~",ttype:DEFINITION},{input:"\\Uparrow",tag:"mo",output:"\u21D1",ttype:CONST},{input:"\\Downarrow",tag:"mo",output:"\u21D3",ttype:CONST},{input:"\\Updownarrow",tag:"mo",output:"\u21D5",ttype:CONST},{input:"\\mapsto",tag:"mo",output:"\u21A6",ttype:CONST},{input:"\\longleftarrow",tag:"mo",output:"\u2190",ttype:LONG},{input:"\\longrightarrow",tag:"mo",output:"\u2192",ttype:LONG},{input:"\\longleftrightarrow",tag:"mo",output:"\u2194",ttype:LONG},{input:"\\Longleftarrow",tag:"mo",output:"\u21D0",ttype:LONG},{input:"\\Longrightarrow",tag:"mo",output:"\u21D2",ttype:LONG},{input:"\\implies",tag:"mo",output:"\u21D2",ttype:LONG},{input:"\\Longleftrightarrow",tag:"mo",output:"\u21D4",ttype:LONG},{input:"\\longmapsto",tag:"mo",output:"\u21A6",ttype:CONST},{input:"\\sqrt",tag:"msqrt",output:"sqrt",ttype:UNARY},{input:"\\root",tag:"mroot",output:"root",ttype:BINARY},{input:"\\frac",tag:"mfrac",output:"/",ttype:BINARY},{input:"\\stackrel",tag:"mover",output:"stackrel",ttype:BINARY},{input:"\\atop",tag:"mfrac",output:"",ttype:INFIX},{input:"\\choose",tag:"mfrac",output:"",ttype:INFIX},{input:"_",tag:"msub",output:"_",ttype:INFIX},{input:"^",tag:"msup",output:"^",ttype:INFIX},{input:"\\mathrm",tag:"mtext",output:"text",ttype:TEXT},{input:"\\mbox",tag:"mtext",output:"mbox",ttype:TEXT},{input:"\\acute",tag:"mover",output:"\u00B4",ttype:UNARY,acc:true},{input:"\\grave",tag:"mover",output:"\u0060",ttype:UNARY,acc:true},{input:"\\breve",tag:"mover",output:"\u02D8",ttype:UNARY,acc:true},{input:"\\check",tag:"mover",output:"\u02C7",ttype:UNARY,acc:true},{input:"\\dot",tag:"mover",output:".",ttype:UNARY,acc:true},{input:"\\ddot",tag:"mover",output:"..",ttype:UNARY,acc:true},{input:"\\mathring",tag:"mover",output:"\u00B0",ttype:UNARY,acc:true},{input:"\\vec",tag:"mover",output:"\u20D7",ttype:UNARY,acc:true},{input:"\\overrightarrow",tag:"mover",output:"\u20D7",ttype:UNARY,acc:true},{input:"\\overleftarrow",tag:"mover",output:"\u20D6",ttype:UNARY,acc:true},{input:"\\hat",tag:"mover",output:"\u005E",ttype:UNARY,acc:true},{input:"\\widehat",tag:"mover",output:"\u0302",ttype:UNARY,acc:true},{input:"\\tilde",tag:"mover",output:"~",ttype:UNARY,acc:true},{input:"\\widetilde",tag:"mover",output:"\u02DC",ttype:UNARY,acc:true},{input:"\\bar",tag:"mover",output:"\u203E",ttype:UNARY,acc:true},{input:"\\overbrace",tag:"mover",output:"\u23B4",ttype:UNARY,acc:true},{input:"\\overline",tag:"mover",output:"\u00AF",ttype:UNARY,acc:true},{input:"\\underbrace",tag:"munder",output:"\u23B5",ttype:UNARY,acc:true},{input:"\\underline",tag:"munder",output:"\u00AF",ttype:UNARY,acc:true},{input:"\\displaystyle",tag:"mstyle",atname:"displaystyle",atval:"true",ttype:UNARY},{input:"\\textstyle",tag:"mstyle",atname:"displaystyle",atval:"false",ttype:UNARY},{input:"\\scriptstyle",tag:"mstyle",atname:"scriptlevel",atval:"1",ttype:UNARY},{input:"\\scriptscriptstyle",tag:"mstyle",atname:"scriptlevel",atval:"2",ttype:UNARY},{input:"\\textrm",tag:"mstyle",output:"\\mathrm",ttype:DEFINITION},{input:"\\mathbf",tag:"mstyle",atname:"mathvariant",atval:"bold",ttype:UNARY},{input:"\\textbf",tag:"mstyle",atname:"mathvariant",atval:"bold",ttype:UNARY},{input:"\\mathit",tag:"mstyle",atname:"mathvariant",atval:"italic",ttype:UNARY},{input:"\\textit",tag:"mstyle",atname:"mathvariant",atval:"italic",ttype:UNARY},{input:"\\mathtt",tag:"mstyle",atname:"mathvariant",atval:"monospace",ttype:UNARY},{input:"\\texttt",tag:"mstyle",atname:"mathvariant",atval:"monospace",ttype:UNARY},{input:"\\mathsf",tag:"mstyle",atname:"mathvariant",atval:"sans-serif",ttype:UNARY},{input:"\\mathbb",tag:"mstyle",atname:"mathvariant",atval:"double-struck",ttype:UNARY,codes:AMbbb},{input:"\\mathcal",tag:"mstyle",atname:"mathvariant",atval:"script",ttype:UNARY,codes:AMcal},{input:"\\mathfrak",tag:"mstyle",atname:"mathvariant",atval:"fraktur",ttype:UNARY,codes:AMfrk}];var LMnames=[];function LMremoveCharsAndBlanks(str,n){var st;st=str.slice(n);for(var i=0;i<st.length&&st.charCodeAt(i)<=32;i=i+1);return st.slice(i);} +function LMgetSymbol(str){var k=0;var j=0;var mk;var st;var tagst;var match="";var more=true;for(var i=1;i<=str.length&&more;i++){st=str.slice(0,i);j=k;k=position(LMnames,st,j);if(k<LMnames.length&&str.slice(0,LMnames[k].length)==LMnames[k]){match=LMnames[k];mk=k;i=match.length;} +more=k<LMnames.length&&str.slice(0,LMnames[k].length)>=LMnames[k];} +LMpreviousSymbol=LMcurrentSymbol;if(match!=""){LMcurrentSymbol=LMsymbols[mk].ttype;return LMsymbols[mk];} +LMcurrentSymbol=CONST;k=1;st=str.slice(0,1);if("0"<=st&&st<="9")tagst="mn";else tagst=(("A">st||st>"Z")&&("a">st||st>"z")?"mo":"mi");return{input:st,tag:tagst,output:st,ttype:CONST};} +var LMpreviousSymbol,LMcurrentSymbol;function LMparseSexpr(str){var symbol,node,result,result2,i,st,newFrag=document.createDocumentFragment();str=LMremoveCharsAndBlanks(str,0);symbol=LMgetSymbol(str);if(symbol==null||symbol.ttype==RIGHTBRACKET) +return[null,str,null];if(symbol.ttype==DEFINITION){str=symbol.output+LMremoveCharsAndBlanks(str,symbol.input.length);symbol=LMgetSymbol(str);if(symbol==null||symbol.ttype==RIGHTBRACKET) +return[null,str,null];} +str=LMremoveCharsAndBlanks(str,symbol.input.length);switch(symbol.ttype){case SPACE:node=createMmlNode(symbol.tag);node.setAttribute(symbol.atname,symbol.atval);return[node,str,symbol.tag];case UNDEROVER:if(isIE){if(symbol.input.substr(0,4)=="\\big"){str="\\"+symbol.input.substr(4)+str;symbol=LMgetSymbol(str);symbol.ttype=UNDEROVER;str=LMremoveCharsAndBlanks(str,symbol.input.length);}} +return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str,symbol.tag];case CONST:var output=symbol.output;if(isIE){if(symbol.input=="'") +output="\u2032";else if(symbol.input=="''") +output="\u2033";else if(symbol.input=="'''") +output="\u2033\u2032";else if(symbol.input=="''''") +output="\u2033\u2033";else if(symbol.input=="\\square") +output="\u25A1";else if(symbol.input.substr(0,5)=="\\frac"){var denom=symbol.input.substr(6,1);if(denom=="5"||denom=="6"){str=symbol.input.replace(/\\frac/,"\\frac ")+str;return[node,str,symbol.tag];}}} +node=createMmlNode(symbol.tag,document.createTextNode(output));return[node,str,symbol.tag];case LONG:node=createMmlNode(symbol.tag,document.createTextNode(symbol.output));node.setAttribute("minsize","1.5");node.setAttribute("maxsize","1.5");node=createMmlNode("mover",node);node.appendChild(createMmlNode("mspace"));return[node,str,symbol.tag];case STRETCHY:if(isIE&&symbol.input=="\\backslash") +symbol.output="\\";node=createMmlNode(symbol.tag,document.createTextNode(symbol.output));if(symbol.input=="|"||symbol.input=="\\vert"||symbol.input=="\\|"||symbol.input=="\\Vert"){node.setAttribute("lspace","0em");node.setAttribute("rspace","0em");} +node.setAttribute("maxsize",symbol.atval);if(symbol.rtag!=null) +return[node,str,symbol.rtag];else +return[node,str,symbol.tag];case BIG:var atval=symbol.atval;if(isIE) +atval=symbol.ieval;symbol=LMgetSymbol(str);if(symbol==null) +return[null,str,null];str=LMremoveCharsAndBlanks(str,symbol.input.length);node=createMmlNode(symbol.tag,document.createTextNode(symbol.output));if(isIE){var space=createMmlNode("mspace");space.setAttribute("height",atval+"ex");node=createMmlNode("mrow",node);node.appendChild(space);}else{node.setAttribute("minsize",atval);node.setAttribute("maxsize",atval);} +return[node,str,symbol.tag];case LEFTBRACKET:if(symbol.input=="\\left"){symbol=LMgetSymbol(str);if(symbol!=null){if(symbol.input==".") +symbol.invisible=true;str=LMremoveCharsAndBlanks(str,symbol.input.length);}} +result=LMparseExpr(str,true,false);if(symbol==null||(typeof symbol.invisible=="boolean"&&symbol.invisible)) +node=createMmlNode("mrow",result[0]);else{node=createMmlNode("mo",document.createTextNode(symbol.output));node=createMmlNode("mrow",node);node.appendChild(result[0]);} +return[node,result[1],result[2]];case MATRIX:if(symbol.input=="\\begin{array}"){var mask="";symbol=LMgetSymbol(str);str=LMremoveCharsAndBlanks(str,0);if(symbol==null) +mask="l";else{str=LMremoveCharsAndBlanks(str,symbol.input.length);if(symbol.input!="{") +mask="l";else do{symbol=LMgetSymbol(str);if(symbol!=null){str=LMremoveCharsAndBlanks(str,symbol.input.length);if(symbol.input!="}") +mask=mask+symbol.input;}}while(symbol!=null&&symbol.input!=""&&symbol.input!="}");} +result=LMparseExpr("{"+str,true,true);node=createMmlNode("mtable",result[0]);mask=mask.replace(/l/g,"left ");mask=mask.replace(/r/g,"right ");mask=mask.replace(/c/g,"center ");node.setAttribute("columnalign",mask);node.setAttribute("displaystyle","false");if(isIE) +return[node,result[1],null];var lspace=createMmlNode("mspace");lspace.setAttribute("width","0.167em");var rspace=createMmlNode("mspace");rspace.setAttribute("width","0.167em");var node1=createMmlNode("mrow",lspace);node1.appendChild(node);node1.appendChild(rspace);return[node1,result[1],null];}else{result=LMparseExpr("{"+str,true,true);node=createMmlNode("mtable",result[0]);if(isIE) +node.setAttribute("columnspacing","0.25em");else +node.setAttribute("columnspacing","0.167em");node.setAttribute("columnalign","right center left");node.setAttribute("displaystyle","true");node=createMmlNode("mrow",node);return[node,result[1],null];} +case TEXT:if(str.charAt(0)=="{")i=str.indexOf("}");else i=0;if(i==-1) +i=str.length;st=str.slice(1,i);if(st.charAt(0)==" "){node=createMmlNode("mspace");node.setAttribute("width","0.33em");newFrag.appendChild(node);} +newFrag.appendChild(createMmlNode(symbol.tag,document.createTextNode(st)));if(st.charAt(st.length-1)==" "){node=createMmlNode("mspace");node.setAttribute("width","0.33em");newFrag.appendChild(node);} +str=LMremoveCharsAndBlanks(str,i+1);return[createMmlNode("mrow",newFrag),str,null];case UNARY:result=LMparseSexpr(str);if(result[0]==null)return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str];if(typeof symbol.func=="boolean"&&symbol.func){st=str.charAt(0);if(st=="^"||st=="_"||st==","){return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str,symbol.tag];}else{node=createMmlNode("mrow",createMmlNode(symbol.tag,document.createTextNode(symbol.output)));if(isIE){var space=createMmlNode("mspace");space.setAttribute("width","0.167em");node.appendChild(space);} +node.appendChild(result[0]);return[node,result[1],symbol.tag];}} +if(symbol.input=="\\sqrt"){if(isIE){var space=createMmlNode("mspace");space.setAttribute("height","1.2ex");space.setAttribute("width","0em");node=createMmlNode(symbol.tag,result[0]) +node.appendChild(space);return[node,result[1],symbol.tag];}else +return[createMmlNode(symbol.tag,result[0]),result[1],symbol.tag];}else if(typeof symbol.acc=="boolean"&&symbol.acc){node=createMmlNode(symbol.tag,result[0]);var output=symbol.output;if(isIE){if(symbol.input=="\\hat") +output="\u0302";else if(symbol.input=="\\widehat") +output="\u005E";else if(symbol.input=="\\bar") +output="\u00AF";else if(symbol.input=="\\grave") +output="\u0300";else if(symbol.input=="\\tilde") +output="\u0303";} +var node1=createMmlNode("mo",document.createTextNode(output));if(symbol.input=="\\vec"||symbol.input=="\\check") +node1.setAttribute("maxsize","1.2");if(isIE&&symbol.input=="\\bar") +node1.setAttribute("maxsize","0.5");if(symbol.input=="\\underbrace"||symbol.input=="\\underline") +node1.setAttribute("accentunder","true");else 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LMparseIexpr(str){var symbol,sym1,sym2,node,result,tag,underover;str=LMremoveCharsAndBlanks(str,0);sym1=LMgetSymbol(str);result=LMparseSexpr(str);node=result[0];str=result[1];tag=result[2];symbol=LMgetSymbol(str);if(symbol.ttype==INFIX){str=LMremoveCharsAndBlanks(str,symbol.input.length);result=LMparseSexpr(str);if(result[0]==null) +result[0]=createMmlNode("mo",document.createTextNode("\u25A1"));str=result[1];tag=result[2];if(symbol.input=="_"||symbol.input=="^"){sym2=LMgetSymbol(str);tag=null;underover=((sym1.ttype==UNDEROVER)||(node.ttype==UNDEROVER));if(symbol.input=="_"&&sym2.input=="^"){str=LMremoveCharsAndBlanks(str,sym2.input.length);var res2=LMparseSexpr(str);str=res2[1];tag=res2[2];node=createMmlNode((underover?"munderover":"msubsup"),node);node.appendChild(result[0]);node.appendChild(res2[0]);}else 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node2.setAttribute("onclick","updatePicture(this)");node2.appendChild(document.createTextNode("Update"));if(src.indexOf("showcode()")==-1)node2.style.display="none";picture.parentNode.insertBefore(node2,node);picture.parentNode.insertBefore(createElementXHTML("br"),node);}else src=document.getElementById("picture"+(index+1)+"input").value;id=picture.getAttribute("id");dsvg=picture.getAttribute("src");if(id==null||id==""){id="picture"+(index+1);picture.setAttribute("id",id);} +translateandeval(src);} +lastSlot+=len;} +function setdefaults(){strokewidth=defaultstrokewidth;stroke=defaultstroke;strokeopacity=defaultstrokeopacity;strokedasharray=defaultstrokedasharray;fill=defaultfill;fillopacity=defaultfillopacity;fontstyle=defaultfontstyle;fontfamily=defaultfontfamily;fontsize=defaultfontsize;fontweight=defaultfontweight;fontstroke=defaultfontstroke;fontfill=defaultfontfill;marker=defaultmarker;endpoints=defaultendpoints;} +function switchTo(id){if(id==undefined)return;var name=id;if(typeof name!="string")name=id.target.parentNode.getAttribute("name");picture=document.getElementById(name);width=picture.getAttribute("width")-0;height=picture.getAttribute("height")-0;setdefaults();if((picture.nodeName=="EMBED"||picture.nodeName=="embed")&&isIE){svgpicture=picture.getSVGDocument().getElementById("root");doc=picture.getSVGDocument();}else{svgpicture=picture;doc=document;} +xunitlength=parseFloat(svgpicture.getAttribute("xunitlength"));yunitlength=parseFloat(svgpicture.getAttribute("yunitlength"));xmin=parseFloat(svgpicture.getAttribute("xmin"));xmax=parseFloat(svgpicture.getAttribute("xmax"));ymin=parseFloat(svgpicture.getAttribute("ymin"));ymax=parseFloat(svgpicture.getAttribute("ymax"));origin=[svgpicture.getAttribute("ox")-0,svgpicture.getAttribute("oy")-0];} +function updatePicture(obj){var node,src,id,top,left;if(typeof obj=="object")id=obj.id.slice(0,-6);else id=(typeof obj=="string"?obj:"picture"+(obj+1));src=document.getElementById(id+"input").value;xmin=null;xmax=null;ymin=null;ymax=null;xscl=null;xgrid=null;yscl=null;ygrid=null;initialized=false;picture=document.getElementById(id);translateandeval(src)} +function changepicturesize(evt,factor){var obj=evt.target;var name=obj.parentNode.getAttribute("name");var pic=document.getElementById(name);var src=document.getElementById(name+"input").value;if(!/height/.test(src))src="height=0; "+src;if(!/width/.test(src))src="width=0; "+src;src=src.replace(/width\s*=\s*\d+/,"width="+(factor*(pic.getAttribute("width")-0)));src=src.replace(/height\s*=\s*\d+/,"height="+(factor*(pic.getAttribute("height")-0)));document.getElementById(name+"input").value=src;updatePicture(name);} +function zoom(evt,factor){switchTo(evt);var obj=evt.target;var name=obj.parentNode.getAttribute("name");var pic=document.getElementById(name);var src=document.getElementById(name+"input").value;var xlen=(xmax-xmin)/2;var ylen=(ymax-ymin)/2;var xcen=getX(evt),ycen=getY(evt);if(!/ymax/.test(src))src="ymax=0; "+src;if(!/ymin/.test(src))src="ymin=0; "+src;if(!/xmax/.test(src))src="xmax=0; "+src;if(!/xmin/.test(src))src="xmin=0; "+src;src=src.replace(/xmin\s*=\s*[-\d.e]+/,"xmin="+(xcen-factor*xlen));src=src.replace(/xmax\s*=\s*[-\d.e]+/,"xmax="+(xcen+factor*xlen));src=src.replace(/ymin\s*=\s*[-\d.e]+/,"ymin="+(ycen-factor*ylen));src=src.replace(/ymax\s*=\s*[-\d.e]+/,"ymax="+(ycen+factor*ylen));document.getElementById(name+"input").value=src;updatePicture(name);} +var sinceFirstClick=0;var dblClkTimer;function timer(){if(sinceFirstClick<60){sinceFirstClick++;setTimeout("timer()",10);}else{clearTimeout(dblClkTimer);dblClkTimer="";}} +function mClick(evt){if(sinceFirstClick!=0){if(sinceFirstClick<=40){if(evt.shiftKey){if(evt.altKey)changepicturesize(evt,2);else zoom(evt,.5);}else if(evt.altKey)zoom(evt,2);else showHideCode(evt);clearTimeout(dblClkTimer);dblClkTimer="";}else{clearTimeout(dblClkTimer);sinceFirstClick=0;dblClkTimer=setTimeout("timer()",10);}}else{sinceFirstClick=0;dblClkTimer=setTimeout("timer()",10);}} +function showHideCode(evt){var obj=evt.target;var name=obj.parentNode.getAttribute("name");var node=document.getElementById(name+"input");node.style.display=(node.style.display=="none"?"":"none");var node=document.getElementById(name+"button");node.style.display=(node.style.display=="none"?"":"none");} +function showcode(){} +function setBorder(x){border=x} +function initPicture(x_min,x_max,y_min,y_max){if(!initialized){setdefaults();initialized=true;if(x_min!=null)xmin=x_min;if(x_max!=null)xmax=x_max;if(y_min!=null)ymin=y_min;if(y_max!=null)ymax=y_max;if(xmin==null)xmin=defaultxmin;if(xmax==null)xmax=defaultxmax;if(typeof xmin!="number"||typeof xmax!="number"||xmin>=xmax) +alert("Picture requires at least two numbers: xmin < xmax");else if(y_max!=null&&(typeof y_min!="number"||typeof y_max!="number"||y_min>=y_max)) +alert("initPicture(xmin,xmax,ymin,ymax) requires numbers ymin < ymax");else{if(width==null){width=picture.getAttribute("width");if(width==null||width=="")width=defaultwidth;} +picture.setAttribute("width",width);if(height==null){height=picture.getAttribute("height");if(height==null||height=="")height=defaultheight;} +picture.setAttribute("height",height);xunitlength=(width-2*border)/(xmax-xmin);yunitlength=xunitlength;if(ymin==null){origin=[-xmin*xunitlength+border,height/2];ymin=-(height-2*border)/(2*yunitlength);ymax=-ymin;}else{if(ymax!=null)yunitlength=(height-2*border)/(ymax-ymin);else ymax=(height-2*border)/yunitlength+ymin;origin=[-xmin*xunitlength+border,-ymin*yunitlength+border];} +if(isIE){if(picture.FULLSCREEN==undefined){setTimeout('drawPictures()',50);throw"wait";} +svgpicture=picture.getSVGDocument().getElementById("root");if(svgpicture==null){setTimeout('drawPictures()',50);throw"wait";} +svgpicture=picture.getSVGDocument().getElementById("root");while(svgpicture.childNodes.length>0) +svgpicture.removeChild(svgpicture.lastChild);svgpicture.setAttribute("width",width);svgpicture.setAttribute("height",height);svgpicture.setAttribute("name",picture.getAttribute("id"));doc=picture.getSVGDocument();}else{var qnode=document.createElementNS("http://www.w3.org/2000/svg","svg");qnode.setAttribute("id",picture.getAttribute("id"));qnode.setAttribute("name",picture.getAttribute("id"));qnode.setAttribute("width",picture.getAttribute("width"));qnode.setAttribute("height",picture.getAttribute("height"));picturepos=findPos(picture);if(picture.parentNode!=null){picture.parentNode.replaceChild(qnode,picture);}else{svgpicture.parentNode.replaceChild(qnode,svgpicture);} +svgpicture=qnode;doc=document;} +var nd=document.getElementById(picture.getAttribute("id")+"mml");if(nd!=null) +while(nd.childNodes.length>0)nd.removeChild(nd.lastChild);svgpicture.setAttribute("xunitlength",xunitlength);svgpicture.setAttribute("yunitlength",yunitlength);svgpicture.setAttribute("xmin",xmin);svgpicture.setAttribute("xmax",xmax);svgpicture.setAttribute("ymin",ymin);svgpicture.setAttribute("ymax",ymax);svgpicture.setAttribute("ox",origin[0]);svgpicture.setAttribute("oy",origin[1]);var node=myCreateElementSVG("rect");node.setAttribute("x","0");node.setAttribute("y","0");node.setAttribute("width",width);node.setAttribute("height",height);node.setAttribute("style",backgroundstyle);svgpicture.appendChild(node);svgpicture.setAttribute("onmousemove","displayCoord(evt)");svgpicture.setAttribute("onmouseout","removeCoord(evt)");svgpicture.setAttribute("onclick","mClick(evt)");node=myCreateElementSVG("text");node.appendChild(doc.createTextNode(" "));node.setAttribute("id","coords");svgpicture.appendChild(node);node=myCreateElementSVG("text");node.appendChild(doc.createTextNode(" "));node.setAttribute("id","coords");svgpicture.appendChild(node);border=defaultborder;}}} +function line(p,q,id,endpts){var node;if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("path");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("d","M"+(p[0]*xunitlength+origin[0])+","+ +(height-p[1]*yunitlength-origin[1])+" "+ +(q[0]*xunitlength+origin[0])+","+(height-q[1]*yunitlength-origin[1]));node.setAttribute("stroke-width",strokewidth);if(strokedasharray!=null) +node.setAttribute("stroke-dasharray",strokedasharray);node.setAttribute("stroke",stroke);node.setAttribute("fill",fill);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);if(marker=="dot"||marker=="arrowdot"){ASdot(p,markersize,markerstroke,markerfill);if(marker=="arrowdot")arrowhead(p,q);ASdot(q,markersize,markerstroke,markerfill);}else if(marker=="arrow")arrowhead(p,q);if(endpts==null&&endpoints!="")endpts=endpoints;if(endpts!=null){if(endpts.indexOf("<-")!=-1)arrowhead(q,p);if(endpts.indexOf("o-")!=-1)dot(p,"open");if(endpts.indexOf("*-")!=-1)dot(p,"closed");if(endpts.indexOf("->")!=-1)arrowhead(p,q);if(endpts.indexOf("-o")!=-1)dot(q,"open");if(endpts.indexOf("-*")!=-1)dot(q,"closed");}} +function path(plist,id,c,endpts){if(c==null)c="";var node,st,i;if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("path");node.setAttribute("id",id);svgpicture.appendChild(node);} +if(typeof plist=="string")st=plist;else{st="M";st+=(plist[0][0]*xunitlength+origin[0])+","+ +(height-plist[0][1]*yunitlength-origin[1])+" "+c;for(i=1;i<plist.length;i++) +st+=(plist[i][0]*xunitlength+origin[0])+","+ +(height-plist[i][1]*yunitlength-origin[1])+" ";} +node.setAttribute("d",st);node.setAttribute("stroke-width",strokewidth);if(strokedasharray!=null) +node.setAttribute("stroke-dasharray",strokedasharray);node.setAttribute("stroke",stroke);node.setAttribute("fill",fill);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);if(marker=="dot"||marker=="arrowdot") +for(i=0;i<plist.length;i++) +if(c!="C"&&c!="T"||i!=1&&i!=2) +ASdot(plist[i],markersize,markerstroke,markerfill);if(endpts==null&&endpoints!="")endpts=endpoints;if(endpts!=null){if(endpts.indexOf("<-")!=-1)arrowhead(plist[1],plist[0]);if(endpts.indexOf("o-")!=-1)dot(plist[0],"open");if(endpts.indexOf("*-")!=-1)dot(plist[0],"closed");if(endpts.indexOf("->")!=-1)arrowhead(plist[plist.length-2],plist[plist.length-1]);if(endpts.indexOf("-o")!=-1)dot(plist[plist.length-1],"open");if(endpts.indexOf("-*")!=-1)dot(plist[plist.length-1],"closed");}} +function curve(plist,id,endpts){path(plist,id,"T",endpts);} +function vector(p,q,id){line(p,q,id,"","->");} +function circle(center,radius,id){var node;if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("circle");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("cx",center[0]*xunitlength+origin[0]);node.setAttribute("cy",height-center[1]*yunitlength-origin[1]);node.setAttribute("r",radius*xunitlength);node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",stroke);node.setAttribute("fill",fill);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);} +function loop(p,d,id){if(d==null)d=[1,0];path([p,[p[0]+d[0],p[1]+d[1]],[p[0]-d[1],p[1]+d[0]],p],id,"C");if(marker=="arrow"||marker=="arrowdot") +arrowhead([p[0]+Math.cos(1.4)*d[0]-Math.sin(1.4)*d[1],p[1]+Math.sin(1.4)*d[0]+Math.cos(1.4)*d[1]],p);} +function arc(start,end,radius,id,largearc){var node,v;if(id!=null)node=doc.getElementById(id);if(largearc==null)largearc=0;if(radius==null){v=[end[0]-start[0],end[1]-start[1]];radius=Math.sqrt(v[0]*v[0]+v[1]*v[1]);} +if(node==null){node=myCreateElementSVG("path");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("d","M"+(start[0]*xunitlength+origin[0])+","+ +(height-start[1]*yunitlength-origin[1])+" A"+radius*xunitlength+","+ +radius*yunitlength+" 0 "+largearc+",0 "+(end[0]*xunitlength+origin[0])+","+ +(height-end[1]*yunitlength-origin[1]));node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",stroke);node.setAttribute("fill",fill);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);if(marker=="arrow"||marker=="arrowdot"){u=[(end[1]-start[1])/4,(start[0]-end[0])/4];v=[(end[0]-start[0])/2,(end[1]-start[1])/2];v=[start[0]+v[0]+u[0],start[1]+v[1]+u[1]];}else v=[start[0],start[1]];if(marker=="dot"||marker=="arrowdot"){ASdot(start,markersize,markerstroke,markerfill);if(marker=="arrowdot")arrowhead(v,end);ASdot(end,markersize,markerstroke,markerfill);}else if(marker=="arrow")arrowhead(v,end);} +function sector(center,start,end,id){var rx=start[0]-center[0],ry=start[1]-center[1];arc(start,end,Math.sqrt(rx*rx+ry*ry),id+"arc");path([end,center,start],id+"path");} +function ellipse(center,rx,ry,id){var node;if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("ellipse");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("cx",center[0]*xunitlength+origin[0]);node.setAttribute("cy",height-center[1]*yunitlength-origin[1]);node.setAttribute("rx",rx*xunitlength);node.setAttribute("ry",ry*yunitlength);node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",stroke);node.setAttribute("fill",fill);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);} +function triangle(p,q,r,id){path([p,q,r,p],id)} +function rect(p,q,id,rx,ry){var node;if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("rect");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("x",p[0]*xunitlength+origin[0]);node.setAttribute("y",height-q[1]*yunitlength-origin[1]);node.setAttribute("width",(q[0]-p[0])*xunitlength);node.setAttribute("height",(q[1]-p[1])*yunitlength);if(rx!=null)node.setAttribute("rx",rx*xunitlength);if(ry!=null)node.setAttribute("ry",ry*yunitlength);node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",stroke);node.setAttribute("fill",fill);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);} +function text(p,st,pos,id,fontsty){var dnode,node,dx=0,dy=fontsize/3,str=st.toString();if(/(`|\$)/.test(str)){dnode=document.getElementById(svgpicture.getAttribute("name")+"mml");if(dnode!=null){if(id!=null)node=document.getElementById(id);if(node==null){node=createElementXHTML("div");node.setAttribute("id",id);node.style.position="absolute";dnode.appendChild(node);} +while(node.childNodes.length>0)node.removeChild(node.lastChild);node.appendChild(document.createTextNode(str));if(/`/.test(str))AMprocessNode(node);else LMprocessNode(node);dx=-node.offsetWidth/2;dy=-node.offsetHeight/2;if(pos!=null){if(/above/.test(pos))dy=-node.offsetHeight;if(/below/.test(pos))dy=0;if(/right/.test(pos))dx=0;if(/left/.test(pos))dx=-node.offsetWidth;} +node.style.left=""+(p[0]*xunitlength+origin[0]+dx)+"px";node.style.top=""+(height-p[1]*yunitlength-origin[1]+dy)+"px";} +return p;} +var textanchor="middle";if(pos!=null){if(/above/.test(pos))dy=-fontsize/2;if(/below/.test(pos))dy=fontsize-0;if(/right/.test(pos)){textanchor="start";dx=fontsize/4;} +if(/left/.test(pos)){textanchor="end";dx=-fontsize/4;}} +if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("text");node.setAttribute("id",id);svgpicture.appendChild(node);node.appendChild(doc.createTextNode(str));} +while(node.childNodes.length>1)node.removeChild(node.lastChild);node.lastChild.nodeValue="\xA0"+str+"\xA0";node.setAttribute("x",p[0]*xunitlength+origin[0]+dx);node.setAttribute("y",height-p[1]*yunitlength-origin[1]+dy);node.setAttribute("font-style",(fontsty!=null?fontsty:(str.search(/^[a-zA-Z]$/)!=-1?"italic":fontstyle)));node.setAttribute("font-family",fontfamily);node.setAttribute("font-size",fontsize);node.setAttribute("font-weight",fontweight);node.setAttribute("text-anchor",textanchor);if(fontstroke!="none")node.setAttribute("stroke",fontstroke);if(fontfill!="none")node.setAttribute("fill",fontfill);return p;} +function mtext(p,st,pos,fontsty,fontsz){var textanchor="middle";var dx=0;var dy=fontsize/3;if(pos!=null){if(pos.slice(0,5)=="above")dy=-fontsize/2;if(pos.slice(0,5)=="below")dy=fontsize-0;if(pos.slice(0,5)=="right"||pos.slice(5,10)=="right"){textanchor="start";dx=fontsize/2;} +if(pos.slice(0,4)=="left"||pos.slice(5,9)=="left"){textanchor="end";dx=-fontsize/2;}} +var node=this;if(this.nodeName=="svg"){node=myCreateElementSVG("text");this.appendChild(node);node.appendChild(doc.createTextNode(st));} +node.lastChild.nodeValue=st;node.setAttribute("x",p[0]+dx);node.setAttribute("y",p[1]+dy);node.setAttribute("font-style",(fontsty!=null?fontsty:fontstyle));node.setAttribute("font-family",fontfamily);node.setAttribute("font-size",(fontsz!=null?fontsz:fontsize));node.setAttribute("font-weight",fontweight);node.setAttribute("text-anchor",textanchor);if(fontstroke!="none")node.setAttribute("stroke",fontstroke);if(fontfill!="none")node.setAttribute("fill",fontfill);} +function image(imgurl,p,w,h,id){var node;if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("image");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("x",p[0]*xunitlength+origin[0]);node.setAttribute("y",height-p[1]*yunitlength-origin[1]);node.setAttribute("width",w);node.setAttribute("height",h);node.setAttribute("xlink:href",imgurl);} +function ASdot(center,radius,s,f){if(s==null)s=stroke;if(f==null)f=fill;var node=myCreateElementSVG("circle");node.setAttribute("cx",center[0]*xunitlength+origin[0]);node.setAttribute("cy",height-center[1]*yunitlength-origin[1]);node.setAttribute("r",radius);node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",s);node.setAttribute("fill",f);svgpicture.appendChild(node);} +function dot(center,typ,label,pos,id){var node;var cx=center[0]*xunitlength+origin[0];var cy=height-center[1]*yunitlength-origin[1];if(id!=null)node=doc.getElementById(id);if(typ=="+"||typ=="-"||typ=="|"){if(node==null){node=myCreateElementSVG("path");node.setAttribute("id",id);svgpicture.appendChild(node);} +if(typ=="+"){node.setAttribute("d"," M "+(cx-ticklength)+" "+cy+" L "+(cx+ticklength)+" "+cy+" M "+cx+" "+(cy-ticklength)+" L "+cx+" "+(cy+ticklength));node.setAttribute("stroke-width",.5);node.setAttribute("stroke",axesstroke);}else{if(typ=="-")node.setAttribute("d"," M "+(cx-ticklength)+" "+cy+" L "+(cx+ticklength)+" "+cy);else node.setAttribute("d"," M "+cx+" "+(cy-ticklength)+" L "+cx+" "+(cy+ticklength));node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",stroke);}}else{if(node==null){node=myCreateElementSVG("circle");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("cx",cx);node.setAttribute("cy",cy);node.setAttribute("r",dotradius);node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",stroke);node.setAttribute("fill",(typ=="open"?"white":(typ=="closed"?stroke:markerfill)));} +if(label!=null) +text(center,label,(pos==null?"below":pos),(id==null?id:id+"label"))} +point=dot;function arrowhead(p,q){var up;var v=[p[0]*xunitlength+origin[0],height-p[1]*yunitlength-origin[1]];var w=[q[0]*xunitlength+origin[0],height-q[1]*yunitlength-origin[1]];var u=[w[0]-v[0],w[1]-v[1]];var d=Math.sqrt(u[0]*u[0]+u[1]*u[1]);if(d>0.00000001){u=[u[0]/d,u[1]/d];up=[-u[1],u[0]];var node=myCreateElementSVG("path");node.setAttribute("d","M "+(w[0]-15*u[0]-4*up[0])+" "+ +(w[1]-15*u[1]-4*up[1])+" L "+(w[0]-3*u[0])+" "+(w[1]-3*u[1])+" L "+ +(w[0]-15*u[0]+4*up[0])+" "+(w[1]-15*u[1]+4*up[1])+" z");node.setAttribute("stroke-width",markerstrokewidth);node.setAttribute("stroke",stroke);node.setAttribute("fill",stroke);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);svgpicture.appendChild(node);}} +function chopZ(st){var k=st.indexOf(".");if(k==-1)return st;for(var i=st.length-1;i>k&&st.charAt(i)=="0";i--);if(i==k)i--;return st.slice(0,i+1);} +function grid(dx,dy){axes(dx,dy,null,dx,dy)} +function noaxes(){if(!initialized)initPicture();} +function axes(dx,dy,labels,gdx,gdy){var x,y,ldx,ldy,lx,ly,lxp,lyp,pnode,st;if(!initialized)initPicture();if(typeof dx=="string"){labels=dx;dx=null;} +if(typeof dy=="string"){gdx=dy;dy=null;} +if(xscl!=null){dx=xscl;gdx=xscl;labels=dx} +if(yscl!=null){dy=yscl;gdy=yscl} +if(xtick!=null){dx=xtick} +if(ytick!=null){dy=ytick} +dx=(dx==null?xunitlength:dx*xunitlength);dy=(dy==null?dx:dy*yunitlength);fontsize=Math.min(dx/2,dy/2,16);ticklength=fontsize/4;if(xgrid!=null)gdx=xgrid;if(ygrid!=null)gdy=ygrid;if(gdx!=null){gdx=(typeof gdx=="string"?dx:gdx*xunitlength);gdy=(gdy==null?dy:gdy*yunitlength);pnode=myCreateElementSVG("path");st="";for(x=origin[0];x<width;x=x+gdx) +st+=" M"+x+",0"+" "+x+","+height;for(x=origin[0]-gdx;x>0;x=x-gdx) +st+=" M"+x+",0"+" "+x+","+height;for(y=height-origin[1];y<height;y=y+gdy) +st+=" M0,"+y+" "+width+","+y;for(y=height-origin[1]-gdy;y>0;y=y-gdy) +st+=" M0,"+y+" "+width+","+y;pnode.setAttribute("d",st);pnode.setAttribute("stroke-width",.5);pnode.setAttribute("stroke",gridstroke);pnode.setAttribute("fill",fill);svgpicture.appendChild(pnode);} +pnode=myCreateElementSVG("path");st="M0,"+(height-origin[1])+" "+width+","+ +(height-origin[1])+" M"+origin[0]+",0 "+origin[0]+","+height;for(x=origin[0]+dx;x<width;x=x+dx) +st+=" M"+x+","+(height-origin[1]+ticklength)+" "+x+","+ +(height-origin[1]-ticklength);for(x=origin[0]-dx;x>0;x=x-dx) +st+=" M"+x+","+(height-origin[1]+ticklength)+" "+x+","+ +(height-origin[1]-ticklength);for(y=height-origin[1]+dy;y<height;y=y+dy) +st+=" M"+(origin[0]+ticklength)+","+y+" "+(origin[0]-ticklength)+","+y;for(y=height-origin[1]-dy;y>0;y=y-dy) +st+=" M"+(origin[0]+ticklength)+","+y+" "+(origin[0]-ticklength)+","+y;if(labels!=null)with(Math){ldx=dx/xunitlength;ldy=dy/yunitlength;lx=(xmin>0||xmax<0?xmin:0);ly=(ymin>0||ymax<0?ymin:0);lxp=(ly==0?"below":"above");lyp=(lx==0?"left":"right");var ddx=floor(1.1-log(ldx)/log(10))+1;var ddy=floor(1.1-log(ldy)/log(10))+1;for(x=ldx;x<=xmax;x=x+ldx) +text([x,ly],chopZ(x.toFixed(ddx)),lxp);for(x=-ldx;xmin<=x;x=x-ldx) +text([x,ly],chopZ(x.toFixed(ddx)),lxp);for(y=ldy;y<=ymax;y=y+ldy) +text([lx,y],chopZ(y.toFixed(ddy)),lyp);for(y=-ldy;ymin<=y;y=y-ldy) +text([lx,y],chopZ(y.toFixed(ddy)),lyp);} +fontsize=defaultfontsize;pnode.setAttribute("d",st);pnode.setAttribute("stroke-width",.5);pnode.setAttribute("stroke",axesstroke);pnode.setAttribute("fill",fill);pnode.setAttribute("stroke-opacity",strokeopacity);pnode.setAttribute("fill-opacity",fillopacity);svgpicture.appendChild(pnode);} +function mathjs(st){st=st.replace(/\s/g,"");if(st.indexOf("^-1")!=-1){st=st.replace(/sin\^-1/g,"arcsin");st=st.replace(/cos\^-1/g,"arccos");st=st.replace(/tan\^-1/g,"arctan");st=st.replace(/sec\^-1/g,"arcsec");st=st.replace(/csc\^-1/g,"arccsc");st=st.replace(/cot\^-1/g,"arccot");st=st.replace(/sinh\^-1/g,"arcsinh");st=st.replace(/cosh\^-1/g,"arccosh");st=st.replace(/tanh\^-1/g,"arctanh");st=st.replace(/sech\^-1/g,"arcsech");st=st.replace(/csch\^-1/g,"arccsch");st=st.replace(/coth\^-1/g,"arccoth");} +st=st.replace(/^e$/g,"(Math.E)");st=st.replace(/^e([^a-zA-Z])/g,"(Math.E)$1");st=st.replace(/([^a-zA-Z])e/g,"$1(Math.E)");st=st.replace(/([0-9])([\(a-zA-Z])/g,"$1*$2");st=st.replace(/\)([\(0-9a-zA-Z])/g,"\)*$1");var i,j,k,ch,nested;while((i=st.indexOf("^"))!=-1){if(i==0)return"Error: missing argument";j=i-1;ch=st.charAt(j);if(ch>="0"&&ch<="9"){j--;while(j>=0&&(ch=st.charAt(j))>="0"&&ch<="9")j--;if(ch=="."){j--;while(j>=0&&(ch=st.charAt(j))>="0"&&ch<="9")j--;}}else if(ch==")"){nested=1;j--;while(j>=0&&nested>0){ch=st.charAt(j);if(ch=="(")nested--;else if(ch==")")nested++;j--;} +while(j>=0&&(ch=st.charAt(j))>="a"&&ch<="z"||ch>="A"&&ch<="Z") +j--;}else if(ch>="a"&&ch<="z"||ch>="A"&&ch<="Z"){j--;while(j>=0&&(ch=st.charAt(j))>="a"&&ch<="z"||ch>="A"&&ch<="Z") +j--;}else{return"Error: incorrect syntax in "+st+" at position "+j;} +if(i==st.length-1)return"Error: missing argument";k=i+1;ch=st.charAt(k);if(ch>="0"&&ch<="9"||ch=="-"){k++;while(k<st.length&&(ch=st.charAt(k))>="0"&&ch<="9")k++;if(ch=="."){k++;while(k<st.length&&(ch=st.charAt(k))>="0"&&ch<="9")k++;}}else if(ch=="("){nested=1;k++;while(k<st.length&&nested>0){ch=st.charAt(k);if(ch=="(")nested++;else if(ch==")")nested--;k++;}}else if(ch>="a"&&ch<="z"||ch>="A"&&ch<="Z"){k++;while(k<st.length&&(ch=st.charAt(k))>="a"&&ch<="z"||ch>="A"&&ch<="Z")k++;}else{return"Error: incorrect syntax in "+st+" at position "+k;} +st=st.slice(0,j+1)+"Math.pow("+st.slice(j+1,i)+","+st.slice(i+1,k)+")"+ +st.slice(k);} +while((i=st.indexOf("!"))!=-1){if(i==0)return"Error: missing argument";j=i-1;ch=st.charAt(j);if(ch>="0"&&ch<="9"){j--;while(j>=0&&(ch=st.charAt(j))>="0"&&ch<="9")j--;if(ch=="."){j--;while(j>=0&&(ch=st.charAt(j))>="0"&&ch<="9")j--;}}else if(ch==")"){nested=1;j--;while(j>=0&&nested>0){ch=st.charAt(j);if(ch=="(")nested--;else if(ch==")")nested++;j--;} +while(j>=0&&(ch=st.charAt(j))>="a"&&ch<="z"||ch>="A"&&ch<="Z") +j--;}else if(ch>="a"&&ch<="z"||ch>="A"&&ch<="Z"){j--;while(j>=0&&(ch=st.charAt(j))>="a"&&ch<="z"||ch>="A"&&ch<="Z") +j--;}else{return"Error: incorrect syntax in "+st+" at position "+j;} +st=st.slice(0,j+1)+"factorial("+st.slice(j+1,i)+")"+st.slice(i+1);} +return st;} +function plot(fun,x_min,x_max,points,id,endpts){var pth=[];var f=function(x){return x},g=fun;var name=null;if(typeof fun=="string") +eval("g = function(x){ with(Math) return "+mathjs(fun)+" }");else if(typeof fun=="object"){eval("f = function(t){ with(Math) return "+mathjs(fun[0])+" }");eval("g = function(t){ with(Math) return "+mathjs(fun[1])+" }");} +if(typeof x_min=="string"){name=x_min;x_min=xmin} +else name=id;var min=(x_min==null?xmin:x_min);var max=(x_max==null?xmax:x_max);var inc=max-min-0.000001*(max-min);inc=(points==null?inc/200:inc/points);var gt;for(var t=min;t<=max;t+=inc){gt=g(t);if(!(isNaN(gt)||Math.abs(gt)=="Infinity"))pth[pth.length]=[f(t),gt];} +path(pth,name,null,endpts);return pth;} +function slopefield(fun,dx,dy){var g=fun;if(typeof fun=="string") +eval("g = function(x,y){ with(Math) return "+mathjs(fun)+" }");var gxy,x,y,u,v,dz;if(dx==null)dx=1;if(dy==null)dy=1;dz=Math.sqrt(dx*dx+dy*dy)/6;var x_min=Math.ceil(xmin/dx);var y_min=Math.ceil(ymin/dy);for(x=x_min;x<=xmax;x+=dx) +for(y=y_min;y<=ymax;y+=dy){gxy=g(x,y);if(!isNaN(gxy)){if(Math.abs(gxy)=="Infinity"){u=0;v=dz;} +else{u=dz/Math.sqrt(1+gxy*gxy);v=gxy*u;} +line([x-u,y-v],[x+u,y+v]);}}} +function show_props(obj){var result="";for(var i=0;i<obj.childNodes.length;i++) +result+=obj.childNodes.item(i)+"\n";return result;} +function displayCoord(evt){if(showcoordinates){var svgroot=evt.target.parentNode;var nl=svgroot.childNodes;for(var i=0;i<nl.length&&nl.item(i).nodeName!="text";i++);var cnode=nl.item(i);cnode.mtext=mtext;cnode.mtext([svgroot.getAttribute("width")-(-7),svgroot.getAttribute("height")-7],"("+getX(evt).toFixed(2)+", "+getY(evt).toFixed(2)+")","left","","11");}} +function removeCoord(evt){var svgroot=evt.target.parentNode;var nl=svgroot.childNodes;for(var i=0;i<nl.length&&nl.item(i).nodeName!="text";i++);var cnode=nl.item(i);cnode.mtext=mtext;cnode.mtext([svgroot.getAttribute("width")-0,svgroot.getAttribute("height")-0],"","aboveleft","");} +function initASCIIMathCalculators(li){var i;for(i=0;i<li.length;i++){li[i].innerHTML=calcstr;AMprocessNode(li[i]);} +li=document.getElementsByTagName("textarea");var st;for(i=0;i<li.length;i++){st=li[i].getAttribute("onkeyup");if(st!=null)eval(String(st).replace(/function anonymous\(\)/,""));}} +function calculate(inputId,outputId){var str=document.getElementById(inputId).value;var err="";var ind=str.lastIndexOf("\n");if(ind==str.length-1)str=str.slice(0,ind);str=str.slice(str.lastIndexOf("\n")+1);try{var res=eval(mathjs(str));}catch(e){err="syntax incomplete";} +if(!isNaN(res)&&res!="Infinity") +str="`"+str+" =` "+(Math.abs(res-Math.round(res*1000000)/1000000)<1e-15?Math.round(res*1000000)/1000000:res)+err;else if(str!="")str="`"+str+"` = undefined";var outnode=document.getElementById(outputId);var n=outnode.childNodes.length;for(var i=0;i<n;i++) +outnode.removeChild(outnode.firstChild);outnode.appendChild(document.createTextNode(str));AMprocessNode(outnode);} +function append(st){document.getElementById('in').value+=st;calculate('in','out');document.getElementById('in').scrollTop=1000;document.getElementById('in').focus();} +function clearTextArea(){document.getElementById('in').value="";calculate('in','out');document.getElementById('in').focus();} +var calcstr="<table align=\"center\">\n<tr><th>\nASCIIMath Scientific Calculator\n</th></tr>\n<tr><td>\nClick in the box to use your keyboard or use the buttons\n</td></tr>\n<tr><td>\n<textarea id=\"in\" rows=\"3\" cols=\"40\" onkeyup=\"calculate('in','out')\"></textarea></td></tr>\n<tr><td height=\"50\">Result: <span id=\"out\"></span></td></tr>\n</table>\n<table align=\"center\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody align=\"center\">\n<tr>\n<td colspan=\"4\">\n<button onclick=\"append('sin^-1(')\"><font size=2>`sin^-1`</font></button><button onclick=\"append('cos^-1(')\"><font size=2>`cos^-1`</font></button><button onclick=\"append('tan^-1(')\"><font size=2>`tan^-1`</font></button></td>\n<td><button onclick=\"clearTextArea()\"> `C` </button></td>\n\n</tr>\n<tr>\n<td><button onclick=\"append('pi')\"> `pi` </button></td>\n<td><button onclick=\"append('sin(')\"> `sin`</button></td>\n<td><button onclick=\"append('cos(')\"> `cos`</button></td>\n<td><button onclick=\"append('tan(')\"> `tan`</button></td>\n<td><button onclick=\"append('^')\">`x^y`</button></td>\n</tr>\n<tr>\n<td><button onclick=\"append('!')\"> `!` </button></td>\n\n<td><button onclick=\"append('(')\"><font size=2> `(` </font></button></td>\n<td><button onclick=\"append(')')\"><font size=2> `)` </font></button></td>\n<td><button onclick=\"append('sqrt(')\"><font size=2>`sqrt({::}^\ )`</font></button></td>\n<td><button onclick=\"append('/')\"> `-:\ `</button></td>\n</tr>\n<tr>\n<td><button onclick=\"append('log(')\">`log`</button></td>\n<td><button onclick=\"append('7')\"> `7` </button></td>\n<td><button onclick=\"append('8')\"> `8` </button></td>\n\n<td><button onclick=\"append('9')\"> `9` </button></td>\n<td><button onclick=\"append('*')\"> `times` </button></td>\n</tr>\n<tr>\n<td><button onclick=\"append('ln(')\"> `ln` </button></td>\n<td><button onclick=\"append('4')\"> `4` </button></td>\n<td><button onclick=\"append('5')\"> `5` </button></td>\n<td><button onclick=\"append('6')\"> `6` </button></td>\n\n<td><button onclick=\"append('-')\"> `-{::}` </button></td>\n</tr>\n<tr>\n<td><button onclick=\"append('e')\"> `e` </button></td>\n<td><button onclick=\"append('1')\"> `1` </button></td>\n<td><button onclick=\"append('2')\"> `2` </button></td>\n<td><button onclick=\"append('3')\"> `3` </button></td>\n<td><button onclick=\"append('+')\"> `+{::}` </button></td>\n\n</tr>\n<tr>\n<td> <!--button onclick=\"append('pi')\"> `pi` </button--></td>\n<td><button onclick=\"append('0')\"> `0` </button></td>\n<td><button onclick=\"append('.')\"> `.` </button></td>\n<td><button onclick=\"append('\\n')\"> `\"ent\"`</button></td>\n</tr>\n</tbody>\n</table>";function generic() +{if(!init())return;if(translateOnLoad){var nd=document.getElementById("processasciimathinmoodle");if(nd!=null)dsvglocation=nd.className;if(nd!=null||!checkforprocessasciimathinmoodle){translate();if(!noSVG&&translateASCIIsvg)drawPictures();} +var li=getElementsByClass(document,"div","ASCIIMathCalculator");if(!noMathML&&li.length>0)initASCIIMathCalculators(li);}};if(typeof window.addEventListener!='undefined') +{window.addEventListener('load',generic,false);} +else if(typeof document.addEventListener!='undefined') +{document.addEventListener('load',generic,false);} +else if(typeof window.attachEvent!='undefined') +{window.attachEvent('onload',generic);} +else +{if(typeof window.onload=='function') +{var existing=onload;window.onload=function() +{existing();generic();};} +else +{window.onload=generic;}} diff --git a/templates/DefaultHeaders.hs b/templates/DefaultHeaders.hs index 1bd9fe1d2..e5b50441e 100644 --- a/templates/DefaultHeaders.hs +++ b/templates/DefaultHeaders.hs @@ -37,16 +37,16 @@ module Text.Pandoc.Writers.DefaultHeaders ( import Text.Pandoc.Writers.S5 defaultLaTeXHeader :: String -defaultLaTeXHeader = "@LaTeXHeader@" +defaultLaTeXHeader = @LaTeXHeader@ defaultConTeXtHeader :: String -defaultConTeXtHeader = "@ConTeXtHeader@" +defaultConTeXtHeader = @ConTeXtHeader@ defaultDocbookHeader :: String -defaultDocbookHeader = "@DocbookHeader@" +defaultDocbookHeader = @DocbookHeader@ defaultS5Header :: String defaultS5Header = s5Meta ++ s5CSS ++ s5Javascript defaultRTFHeader :: String -defaultRTFHeader = "@RTFHeader@" +defaultRTFHeader = @RTFHeader@ diff --git a/templates/Makefile b/templates/Makefile deleted file mode 100644 index db62173cf..000000000 --- a/templates/Makefile +++ /dev/null @@ -1,20 +0,0 @@ -VPATH := .. -PROCESSOR := ./fillTemplates.pl -TARGETS := Text/Pandoc/ASCIIMathML.hs \ - Text/Pandoc/Writers/S5.hs \ - Text/Pandoc/Writers/DefaultHeaders.hs - -all: $(TARGETS) - -Text/Pandoc/ASCIIMathML.hs: ASCIIMathML.hs $(PROCESSOR) ASCIIMathML.js - perl $(PROCESSOR) $@ $(VPATH) - -Text/Pandoc/Writers/S5.hs: S5.hs $(PROCESSOR) ui/default/* - perl $(PROCESSOR) $@ $(VPATH) - -Text/Pandoc/Writers/DefaultHeaders.hs: DefaultHeaders.hs $(PROCESSOR) headers/* - perl $(PROCESSOR) $@ $(VPATH) - -.PHONY: clean -clean: - cd $(VPATH); rm -f $(TARGETS) diff --git a/templates/S5.hs b/templates/S5.hs index a0b69b132..68787c3db 100644 --- a/templates/S5.hs +++ b/templates/S5.hs @@ -48,25 +48,25 @@ s5Meta :: String s5Meta = "<!-- configuration parameters -->\n<meta name=\"defaultView\" content=\"slideshow\" />\n<meta name=\"controlVis\" content=\"hidden\" />\n" s5Javascript :: String -s5Javascript = "<script type=\"text/javascript\">\n@slides.js@</script>\n" +s5Javascript = "<script type=\"text/javascript\">\n" ++ @slides.js.comment@ ++ @slides.js.packed@ ++ "</script>\n" s5CoreCSS :: String -s5CoreCSS = "@s5-core.css@" +s5CoreCSS = @s5-core.css@ s5FramingCSS :: String -s5FramingCSS = "@framing.css@" +s5FramingCSS = @framing.css@ s5PrettyCSS :: String -s5PrettyCSS = "@pretty.css@" +s5PrettyCSS = @pretty.css@ s5OperaCSS :: String -s5OperaCSS = "@opera.css@" +s5OperaCSS = @opera.css@ s5OutlineCSS :: String -s5OutlineCSS = "@outline.css@" +s5OutlineCSS = @outline.css@ s5PrintCSS :: String -s5PrintCSS = "@print.css@" +s5PrintCSS = @print.css@ s5CSS :: String s5CSS = "<style type=\"text/css\" media=\"projection\" id=\"slideProj\">\n" ++ s5CoreCSS ++ "\n" ++ s5FramingCSS ++ "\n" ++ s5PrettyCSS ++ "\n</style>\n<style type=\"text/css\" media=\"projection\" id=\"operaFix\">\n" ++ s5OperaCSS ++ "\n</style>\n<style type=\"text/css\" media=\"screen\" id=\"outlineStyle\">\n" ++ s5OutlineCSS ++ "\n</style>\n<style type=\"text/css\" media=\"print\" id=\"slidePrint\">\n" ++ s5PrintCSS ++ "\n</style>\n" diff --git a/templates/fillTemplates.pl b/templates/fillTemplates.pl deleted file mode 100755 index 83c01a28e..000000000 --- a/templates/fillTemplates.pl +++ /dev/null @@ -1,131 +0,0 @@ -#!/usr/bin/env perl -# Fills templates with haskell-escaped strings slurped from input files. -# Takes two arguments, the first specifying the pathname of the target -# relative to the root directory, the second specifying the root directory -# (defaulting to ..). The template is assumed to have the same base name -# as the target and to reside in the templates subdirectory of the root -# directory. - -use strict; -use warnings; - -# Utility routines: - -sub slurp { - open FILE, $_[0] or die "couldn't open file '$_[0]': $!"; - my $contents = do { local $/; <FILE>;}; - close FILE; - return $contents; -} - -sub escape_for_haskell { - my ($contents) = @_; - - $contents =~ s/\\/\\\\/g; - $contents =~ s/\t/\\t/g; - $contents =~ s/"/\\"/g; - $contents =~ s/\n/\\n/g; - return $contents; -} - -# Template processors. - -my %processor = ( - # -------------------------------------------------------------------------- - 'Text/Pandoc/Writers/S5.hs' => { - # -------------------------------------------------------------------------- - proc => sub { - my ($template) = @_; - - my (@files) = qw(slides.js s5-core.css framing.css pretty.css - opera.css outline.css print.css); - - foreach my $file (@files) { - my $replacement = escape_for_haskell(slurp "templates/ui/default/$file"); - my $escapedfile = $file; - $escapedfile =~ s/\./\\./g; - $template =~ s/\@$escapedfile\@/$replacement/; - } - return $template; - }, - }, - # -------------------------------------------------------------------------- - 'Text/Pandoc/ASCIIMathML.hs' => { - # -------------------------------------------------------------------------- - proc => sub { - my ($template) = @_; - - my $script = escape_for_haskell(slurp "templates/ASCIIMathML.js"); - my $acknowledgements = - " ASCIIMathML.js - copyright Peter Jipsen,". - " released under the GPL\\nSee ". - "http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ "; - $script =~ s/\/\*.*?\*\//\/\*$acknowledgements\*\//g; # strip comments - $template =~ s/\@ASCIIMathML\.js@/$script/; - - return $template; - }, - }, - # -------------------------------------------------------------------------- - 'Text/Pandoc/Writers/DefaultHeaders.hs' => { - # -------------------------------------------------------------------------- - proc => sub { - my ($template) = @_; - - my (@headers) = split(/\s/,`ls templates/headers`); - foreach my $header (@headers) { - my ($replacement) = escape_for_haskell(slurp "templates/headers/$header"); - $template =~ s/\@$header\@/$replacement/; - } - - return $template; - }, - }, - # -------------------------------------------------------------------------- - # 'foo/bar/baz' => { - # -------------------------------------------------------------------------- - # template => 'optional-template-filename-defaults-to-baz' - # proc => sub { - # my ($template) = @_; - # # Process. - # return $template; - # }, - #}, -); - -# Main. - -my $target = shift @ARGV; -if (!defined $target || !length $target) { - print STDERR "Available targets:\n\n" . join "\n", keys %processor; - die "\n\nYou must supply a target!\n"; -} - -die "No processor exists for '$target'!\n" if ! exists $processor{$target}; - -my $rootdir = shift @ARGV || '..'; -chdir $rootdir or die "Couldn't chdir to '$rootdir': $!"; - -my $template; -if (exists $processor{$target}->{template}) { - $template = $processor{$target}->{template}; -} -else { - ($template = $target) =~ s!.*/+!!; -} -$template = "templates/$template"; -die "No template exists for '$target'!\n" if ! -f "$template"; - -open OUTFILE, ">$target" or die "couldn't open file '$target': $!"; -print OUTFILE <<END; ----------------------------------------------------- --- Do not edit this file by hand. Edit --- '$template' --- and run $0 $target ----------------------------------------------------- - -END - -print OUTFILE $processor{$target}->{proc}->(slurp($template)); -print OUTFILE "\n"; -close OUTFILE; diff --git a/templates/ui/default/pretty.css b/templates/ui/default/pretty.css index 3d3acefff..a87b24375 100644 --- a/templates/ui/default/pretty.css +++ b/templates/ui/default/pretty.css @@ -83,4 +83,4 @@ img.incremental {visibility: hidden;} /* diagnostics li:after {content: " [" attr(class) "]"; color: #F88;} - */
\ No newline at end of file +*/ diff --git a/templates/ui/default/slides.js.comment b/templates/ui/default/slides.js.comment new file mode 100644 index 000000000..489b276a2 --- /dev/null +++ b/templates/ui/default/slides.js.comment @@ -0,0 +1,4 @@ +// S5 v1.1 slides.js -- released into the Public Domain +// +// Please see http://www.meyerweb.com/eric/tools/s5/credits.html for information +// about all the wonderful and talented contributors to this code! diff --git a/templates/ui/default/slides.js.packed b/templates/ui/default/slides.js.packed new file mode 100644 index 000000000..47b95e53f --- /dev/null +++ b/templates/ui/default/slides.js.packed @@ -0,0 +1,74 @@ +var undef;var slideCSS='';var snum=0;var smax=1;var incpos=0;var number=undef;var s5mode=true;var defaultView='slideshow';var controlVis='visible';var isIE=navigator.appName=='Microsoft Internet Explorer'&&navigator.userAgent.indexOf('Opera')<1?1:0;var isOp=navigator.userAgent.indexOf('Opera')>-1?1:0;var isGe=navigator.userAgent.indexOf('Gecko')>-1&&navigator.userAgent.indexOf('Safari')<1?1:0;function hasClass(object,className){if(!object.className)return false;return(object.className.search('(^|\\s)'+className+'(\\s|$)')!=-1);} +function hasValue(object,value){if(!object)return false;return(object.search('(^|\\s)'+value+'(\\s|$)')!=-1);} +function removeClass(object,className){if(!object)return;object.className=object.className.replace(new RegExp('(^|\\s)'+className+'(\\s|$)'),RegExp.$1+RegExp.$2);} +function addClass(object,className){if(!object||hasClass(object,className))return;if(object.className){object.className+=' '+className;}else{object.className=className;}} +function GetElementsWithClassName(elementName,className){var allElements=document.getElementsByTagName(elementName);var elemColl=new Array();for(var i=0;i<allElements.length;i++){if(hasClass(allElements[i],className)){elemColl[elemColl.length]=allElements[i];}} +return elemColl;} +function isParentOrSelf(element,id){if(element==null||element.nodeName=='BODY')return false;else if(element.id==id)return true;else return isParentOrSelf(element.parentNode,id);} +function nodeValue(node){var result="";if(node.nodeType==1){var children=node.childNodes;for(var i=0;i<children.length;++i){result+=nodeValue(children[i]);}} +else if(node.nodeType==3){result=node.nodeValue;} +return(result);} +function slideLabel(){var slideColl=GetElementsWithClassName('*','slide');var list=document.getElementById('jumplist');smax=slideColl.length;for(var n=0;n<smax;n++){var obj=slideColl[n];var did='slide'+n.toString();obj.setAttribute('id',did);if(isOp)continue;var otext='';var menu=obj.firstChild;if(!menu)continue;while(menu&&menu.nodeType==3){menu=menu.nextSibling;} +if(!menu)continue;var menunodes=menu.childNodes;for(var o=0;o<menunodes.length;o++){otext+=nodeValue(menunodes[o]);} +list.options[list.length]=new Option(n+' : '+otext,n);}} +function currentSlide(){var cs;if(document.getElementById){cs=document.getElementById('currentSlide');}else{cs=document.currentSlide;} +cs.innerHTML='<span id="csHere">'+snum+'<\/span> '+'<span id="csSep">\/<\/span> '+'<span id="csTotal">'+(smax-1)+'<\/span>';if(snum==0){cs.style.visibility='hidden';}else{cs.style.visibility='visible';}} +function go(step){if(document.getElementById('slideProj').disabled||step==0)return;var jl=document.getElementById('jumplist');var cid='slide'+snum;var ce=document.getElementById(cid);if(incrementals[snum].length>0){for(var i=0;i<incrementals[snum].length;i++){removeClass(incrementals[snum][i],'current');removeClass(incrementals[snum][i],'incremental');}} +if(step!='j'){snum+=step;lmax=smax-1;if(snum>lmax)snum=lmax;if(snum<0)snum=0;}else +snum=parseInt(jl.value);var nid='slide'+snum;var ne=document.getElementById(nid);if(!ne){ne=document.getElementById('slide0');snum=0;} +if(step<0){incpos=incrementals[snum].length}else{incpos=0;} +if(incrementals[snum].length>0&&incpos==0){for(var i=0;i<incrementals[snum].length;i++){if(hasClass(incrementals[snum][i],'current')) +incpos=i+1;else +addClass(incrementals[snum][i],'incremental');}} +if(incrementals[snum].length>0&&incpos>0) +addClass(incrementals[snum][incpos-1],'current');ce.style.visibility='hidden';ne.style.visibility='visible';jl.selectedIndex=snum;currentSlide();number=0;} +function goTo(target){if(target>=smax||target==snum)return;go(target-snum);} +function subgo(step){if(step>0){removeClass(incrementals[snum][incpos-1],'current');removeClass(incrementals[snum][incpos],'incremental');addClass(incrementals[snum][incpos],'current');incpos++;}else{incpos--;removeClass(incrementals[snum][incpos],'current');addClass(incrementals[snum][incpos],'incremental');addClass(incrementals[snum][incpos-1],'current');}} +function toggle(){var slideColl=GetElementsWithClassName('*','slide');var slides=document.getElementById('slideProj');var outline=document.getElementById('outlineStyle');if(!slides.disabled){slides.disabled=true;outline.disabled=false;s5mode=false;fontSize('1em');for(var n=0;n<smax;n++){var slide=slideColl[n];slide.style.visibility='visible';}}else{slides.disabled=false;outline.disabled=true;s5mode=true;fontScale();for(var n=0;n<smax;n++){var slide=slideColl[n];slide.style.visibility='hidden';} +slideColl[snum].style.visibility='visible';}} +function showHide(action){var obj=GetElementsWithClassName('*','hideme')[0];switch(action){case's':obj.style.visibility='visible';break;case'h':obj.style.visibility='hidden';break;case'k':if(obj.style.visibility!='visible'){obj.style.visibility='visible';}else{obj.style.visibility='hidden';} +break;}} +function keys(key){if(!key){key=event;key.which=key.keyCode;} +if(key.which==84){toggle();return;} +if(s5mode){switch(key.which){case 10:case 13:if(window.event&&isParentOrSelf(window.event.srcElement,'controls'))return;if(key.target&&isParentOrSelf(key.target,'controls'))return;if(number!=undef){goTo(number);break;} +case 32:case 34:case 39:case 40:if(number!=undef){go(number);}else if(!incrementals[snum]||incpos>=incrementals[snum].length){go(1);}else{subgo(1);} +break;case 33:case 37:case 38:if(number!=undef){go(-1*number);}else if(!incrementals[snum]||incpos<=0){go(-1);}else{subgo(-1);} +break;case 36:goTo(0);break;case 35:goTo(smax-1);break;case 67:showHide('k');break;} +if(key.which<48||key.which>57){number=undef;}else{if(window.event&&isParentOrSelf(window.event.srcElement,'controls'))return;if(key.target&&isParentOrSelf(key.target,'controls'))return;number=(((number!=undef)?number:0)*10)+(key.which-48);}} +return false;} +function clicker(e){number=undef;var target;if(window.event){target=window.event.srcElement;e=window.event;}else target=e.target;if(target.getAttribute('href')!=null||hasValue(target.rel,'external')||isParentOrSelf(target,'controls')||isParentOrSelf(target,'embed')||isParentOrSelf(target,'object'))return true;if(!e.which||e.which==1){if(!incrementals[snum]||incpos>=incrementals[snum].length){go(1);}else{subgo(1);}}} +function findSlide(hash){var target=null;var slides=GetElementsWithClassName('*','slide');for(var i=0;i<slides.length;i++){var targetSlide=slides[i];if((targetSlide.name&&targetSlide.name==hash)||(targetSlide.id&&targetSlide.id==hash)){target=targetSlide;break;}} +while(target!=null&&target.nodeName!='BODY'){if(hasClass(target,'slide')){return parseInt(target.id.slice(5));} +target=target.parentNode;} +return null;} +function slideJump(){if(window.location.hash==null)return;var sregex=/^#slide(\d+)$/;var matches=sregex.exec(window.location.hash);var dest=null;if(matches!=null){dest=parseInt(matches[1]);}else{dest=findSlide(window.location.hash.slice(1));} +if(dest!=null) +go(dest-snum);} +function fixLinks(){var thisUri=window.location.href;thisUri=thisUri.slice(0,thisUri.length-window.location.hash.length);var aelements=document.getElementsByTagName('A');for(var i=0;i<aelements.length;i++){var a=aelements[i].href;var slideID=a.match('\#slide[0-9]{1,2}');if((slideID)&&(slideID[0].slice(0,1)=='#')){var dest=findSlide(slideID[0].slice(1));if(dest!=null){if(aelements[i].addEventListener){aelements[i].addEventListener("click",new Function("e","if (document.getElementById('slideProj').disabled) return;"+"go("+dest+" - snum); "+"if (e.preventDefault) e.preventDefault();"),true);}else if(aelements[i].attachEvent){aelements[i].attachEvent("onclick",new Function("","if (document.getElementById('slideProj').disabled) return;"+"go("+dest+" - snum); "+"event.returnValue = false;"));}}}}} +function externalLinks(){if(!document.getElementsByTagName)return;var anchors=document.getElementsByTagName('a');for(var i=0;i<anchors.length;i++){var anchor=anchors[i];if(anchor.getAttribute('href')&&hasValue(anchor.rel,'external')){anchor.target='_blank';addClass(anchor,'external');}}} +function createControls(){var controlsDiv=document.getElementById("controls");if(!controlsDiv)return;var hider=' onmouseover="showHide(\'s\');" onmouseout="showHide(\'h\');"';var hideDiv,hideList='';if(controlVis=='hidden'){hideDiv=hider;}else{hideList=hider;} +controlsDiv.innerHTML='<form action="#" id="controlForm"'+hideDiv+'>'+'<div id="navLinks">'+'<a accesskey="t" id="toggle" href="javascript:toggle();">Ø<\/a>'+'<a accesskey="z" id="prev" href="javascript:go(-1);">«<\/a>'+'<a accesskey="x" id="next" href="javascript:go(1);">»<\/a>'+'<div id="navList"'+hideList+'><select id="jumplist" onchange="go(\'j\');"><\/select><\/div>'+'<\/div><\/form>';if(controlVis=='hidden'){var hidden=document.getElementById('navLinks');}else{var hidden=document.getElementById('jumplist');} +addClass(hidden,'hideme');} +function fontScale(){if(!s5mode)return false;var vScale=22;var hScale=32;if(window.innerHeight){var vSize=window.innerHeight;var hSize=window.innerWidth;}else if(document.documentElement.clientHeight){var vSize=document.documentElement.clientHeight;var hSize=document.documentElement.clientWidth;}else if(document.body.clientHeight){var vSize=document.body.clientHeight;var hSize=document.body.clientWidth;}else{var vSize=700;var hSize=1024;} +var newSize=Math.min(Math.round(vSize/vScale),Math.round(hSize/hScale));fontSize(newSize+'px');if(isGe){var obj=document.getElementsByTagName('body')[0];obj.style.display='none';obj.style.display='block';}} +function fontSize(value){if(!(s5ss=document.getElementById('s5ss'))){if(!isIE){document.getElementsByTagName('head')[0].appendChild(s5ss=document.createElement('style'));s5ss.setAttribute('media','screen, projection');s5ss.setAttribute('id','s5ss');}else{document.createStyleSheet();document.s5ss=document.styleSheets[document.styleSheets.length-1];}} +if(!isIE){while(s5ss.lastChild)s5ss.removeChild(s5ss.lastChild);s5ss.appendChild(document.createTextNode('body {font-size: '+value+' !important;}'));}else{document.s5ss.addRule('body','font-size: '+value+' !important;');}} +function notOperaFix(){slideCSS=document.getElementById('slideProj').href;var slides=document.getElementById('slideProj');var outline=document.getElementById('outlineStyle');slides.setAttribute('media','screen');outline.disabled=true;if(isGe){slides.setAttribute('href','null');slides.setAttribute('href',slideCSS);} +if(isIE&&document.styleSheets&&document.styleSheets[0]){document.styleSheets[0].addRule('img','behavior: url(ui/default/iepngfix.htc)');document.styleSheets[0].addRule('div','behavior: url(ui/default/iepngfix.htc)');document.styleSheets[0].addRule('.slide','behavior: url(ui/default/iepngfix.htc)');}} +function getIncrementals(obj){var incrementals=new Array();if(!obj) +return incrementals;var children=obj.childNodes;for(var i=0;i<children.length;i++){var child=children[i];if(hasClass(child,'incremental')){if(child.nodeName=='OL'||child.nodeName=='UL'){removeClass(child,'incremental');for(var j=0;j<child.childNodes.length;j++){if(child.childNodes[j].nodeType==1){addClass(child.childNodes[j],'incremental');}}}else{incrementals[incrementals.length]=child;removeClass(child,'incremental');}} +if(hasClass(child,'show-first')){if(child.nodeName=='OL'||child.nodeName=='UL'){removeClass(child,'show-first');if(child.childNodes[isGe].nodeType==1){removeClass(child.childNodes[isGe],'incremental');}}else{incrementals[incrementals.length]=child;}} +incrementals=incrementals.concat(getIncrementals(child));} +return incrementals;} +function createIncrementals(){var incrementals=new Array();for(var i=0;i<smax;i++){incrementals[i]=getIncrementals(document.getElementById('slide'+i));} +return incrementals;} +function defaultCheck(){var allMetas=document.getElementsByTagName('meta');for(var i=0;i<allMetas.length;i++){if(allMetas[i].name=='defaultView'){defaultView=allMetas[i].content;} +if(allMetas[i].name=='controlVis'){controlVis=allMetas[i].content;}}} +function trap(e){if(!e){e=event;e.which=e.keyCode;} +try{modifierKey=e.ctrlKey||e.altKey||e.metaKey;} +catch(e){modifierKey=false;} +return modifierKey||e.which==0;} +function startup(){defaultCheck();if(!isOp) +createControls();slideLabel();fixLinks();externalLinks();fontScale();if(!isOp){notOperaFix();incrementals=createIncrementals();slideJump();if(defaultView=='outline'){toggle();} +document.onkeyup=keys;document.onkeypress=trap;document.onclick=clicker;}} +window.onload=startup;window.onresize=function(){setTimeout('fontScale()',50);} diff --git a/tests/s5.basic.html b/tests/s5.basic.html index 3d289dd5e..44dee9d8e 100644 --- a/tests/s5.basic.html +++ b/tests/s5.basic.html @@ -131,7 +131,8 @@ img.incremental {visibility: hidden;} /* diagnostics li:after {content: " [" attr(class) "]"; color: #F88;} - */ +*/ + </style> <style type="text/css" media="projection" id="operaFix"> /* DO NOT CHANGE THESE unless you really want to break Opera Show */ @@ -193,555 +194,81 @@ p.example {display: none;} // // Please see http://www.meyerweb.com/eric/tools/s5/credits.html for information // about all the wonderful and talented contributors to this code! - -var undef; -var slideCSS = ''; -var snum = 0; -var smax = 1; -var incpos = 0; -var number = undef; -var s5mode = true; -var defaultView = 'slideshow'; -var controlVis = 'visible'; - -var isIE = navigator.appName == 'Microsoft Internet Explorer' && navigator.userAgent.indexOf('Opera') < 1 ? 1 : 0; -var isOp = navigator.userAgent.indexOf('Opera') > -1 ? 1 : 0; -var isGe = navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('Safari') < 1 ? 1 : 0; - -function hasClass(object, className) { - if (!object.className) return false; - return (object.className.search('(^|\\s)' + className + '(\\s|$)') != -1); -} - -function hasValue(object, value) { - if (!object) return false; - return (object.search('(^|\\s)' + value + '(\\s|$)') != -1); -} - -function removeClass(object,className) { - if (!object) return; - object.className = object.className.replace(new RegExp('(^|\\s)'+className+'(\\s|$)'), RegExp.$1+RegExp.$2); -} - -function addClass(object,className) { - if (!object || hasClass(object, className)) return; - if (object.className) { - object.className += ' '+className; - } else { - object.className = className; - } -} - -function GetElementsWithClassName(elementName,className) { - var allElements = document.getElementsByTagName(elementName); - var elemColl = new Array(); - for (var i = 0; i< allElements.length; i++) { - if (hasClass(allElements[i], className)) { - elemColl[elemColl.length] = allElements[i]; - } - } - return elemColl; -} - -function isParentOrSelf(element, id) { - if (element == null || element.nodeName=='BODY') return false; - else if (element.id == id) return true; - else return isParentOrSelf(element.parentNode, id); -} - -function nodeValue(node) { - var result = ""; - if (node.nodeType == 1) { - var children = node.childNodes; - for (var i = 0; i < children.length; ++i) { - result += nodeValue(children[i]); - } - } - else if (node.nodeType == 3) { - result = node.nodeValue; - } - return(result); -} - -function slideLabel() { - var slideColl = GetElementsWithClassName('*','slide'); - var list = document.getElementById('jumplist'); - smax = slideColl.length; - for (var n = 0; n < smax; n++) { - var obj = slideColl[n]; - - var did = 'slide' + n.toString(); - obj.setAttribute('id',did); - if (isOp) continue; - - var otext = ''; - var menu = obj.firstChild; - if (!menu) continue; // to cope with empty slides - while (menu && menu.nodeType == 3) { - menu = menu.nextSibling; - } - if (!menu) continue; // to cope with slides with only text nodes - - var menunodes = menu.childNodes; - for (var o = 0; o < menunodes.length; o++) { - otext += nodeValue(menunodes[o]); - } - list.options[list.length] = new Option(n + ' : ' + otext, n); - } -} - -function currentSlide() { - var cs; - if (document.getElementById) { - cs = document.getElementById('currentSlide'); - } else { - cs = document.currentSlide; - } - cs.innerHTML = '<span id="csHere">' + snum + '<\/span> ' + - '<span id="csSep">\/<\/span> ' + - '<span id="csTotal">' + (smax-1) + '<\/span>'; - if (snum == 0) { - cs.style.visibility = 'hidden'; - } else { - cs.style.visibility = 'visible'; - } -} - -function go(step) { - if (document.getElementById('slideProj').disabled || step == 0) return; - var jl = document.getElementById('jumplist'); - var cid = 'slide' + snum; - var ce = document.getElementById(cid); - if (incrementals[snum].length > 0) { - for (var i = 0; i < incrementals[snum].length; i++) { - removeClass(incrementals[snum][i], 'current'); - removeClass(incrementals[snum][i], 'incremental'); - } - } - if (step != 'j') { - snum += step; - lmax = smax - 1; - if (snum > lmax) snum = lmax; - if (snum < 0) snum = 0; - } else - snum = parseInt(jl.value); - var nid = 'slide' + snum; - var ne = document.getElementById(nid); - if (!ne) { - ne = document.getElementById('slide0'); - snum = 0; - } - if (step < 0) {incpos = incrementals[snum].length} else {incpos = 0;} - if (incrementals[snum].length > 0 && incpos == 0) { - for (var i = 0; i < incrementals[snum].length; i++) { - if (hasClass(incrementals[snum][i], 'current')) - incpos = i + 1; - else - addClass(incrementals[snum][i], 'incremental'); - } - } - if (incrementals[snum].length > 0 && incpos > 0) - addClass(incrementals[snum][incpos - 1], 'current'); - ce.style.visibility = 'hidden'; - ne.style.visibility = 'visible'; - jl.selectedIndex = snum; - currentSlide(); - number = 0; -} - -function goTo(target) { - if (target >= smax || target == snum) return; - go(target - snum); -} - -function subgo(step) { - if (step > 0) { - removeClass(incrementals[snum][incpos - 1],'current'); - removeClass(incrementals[snum][incpos], 'incremental'); - addClass(incrementals[snum][incpos],'current'); - incpos++; - } else { - incpos--; - removeClass(incrementals[snum][incpos],'current'); - addClass(incrementals[snum][incpos], 'incremental'); - addClass(incrementals[snum][incpos - 1],'current'); - } -} - -function toggle() { - var slideColl = GetElementsWithClassName('*','slide'); - var slides = document.getElementById('slideProj'); - var outline = document.getElementById('outlineStyle'); - if (!slides.disabled) { - slides.disabled = true; - outline.disabled = false; - s5mode = false; - fontSize('1em'); - for (var n = 0; n < smax; n++) { - var slide = slideColl[n]; - slide.style.visibility = 'visible'; - } - } else { - slides.disabled = false; - outline.disabled = true; - s5mode = true; - fontScale(); - for (var n = 0; n < smax; n++) { - var slide = slideColl[n]; - slide.style.visibility = 'hidden'; - } - slideColl[snum].style.visibility = 'visible'; - } -} - -function showHide(action) { - var obj = GetElementsWithClassName('*','hideme')[0]; - switch (action) { - case 's': obj.style.visibility = 'visible'; break; - case 'h': obj.style.visibility = 'hidden'; break; - case 'k': - if (obj.style.visibility != 'visible') { - obj.style.visibility = 'visible'; - } else { - obj.style.visibility = 'hidden'; - } - break; - } -} - -// 'keys' code adapted from MozPoint (http://mozpoint.mozdev.org/) -function keys(key) { - if (!key) { - key = event; - key.which = key.keyCode; - } - if (key.which == 84) { - toggle(); - return; - } - if (s5mode) { - switch (key.which) { - case 10: // return - case 13: // enter - if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return; - if (key.target && isParentOrSelf(key.target, 'controls')) return; - if(number != undef) { - goTo(number); - break; - } - case 32: // spacebar - case 34: // page down - case 39: // rightkey - case 40: // downkey - if(number != undef) { - go(number); - } else if (!incrementals[snum] || incpos >= incrementals[snum].length) { - go(1); - } else { - subgo(1); - } - break; - case 33: // page up - case 37: // leftkey - case 38: // upkey - if(number != undef) { - go(-1 * number); - } else if (!incrementals[snum] || incpos <= 0) { - go(-1); - } else { - subgo(-1); - } - break; - case 36: // home - goTo(0); - break; - case 35: // end - goTo(smax-1); - break; - case 67: // c - showHide('k'); - break; - } - if (key.which < 48 || key.which > 57) { - number = undef; - } else { - if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return; - if (key.target && isParentOrSelf(key.target, 'controls')) return; - number = (((number != undef) ? number : 0) * 10) + (key.which - 48); - } - } - return false; -} - -function clicker(e) { - number = undef; - var target; - if (window.event) { - target = window.event.srcElement; - e = window.event; - } else target = e.target; - if (target.getAttribute('href') != null || hasValue(target.rel, 'external') || isParentOrSelf(target, 'controls') || isParentOrSelf(target,'embed') || isParentOrSelf(target,'object')) return true; - if (!e.which || e.which == 1) { - if (!incrementals[snum] || incpos >= incrementals[snum].length) { - go(1); - } else { - subgo(1); - } - } -} - -function findSlide(hash) { - var target = null; - var slides = GetElementsWithClassName('*','slide'); - for (var i = 0; i < slides.length; i++) { - var targetSlide = slides[i]; - if ( (targetSlide.name && targetSlide.name == hash) - || (targetSlide.id && targetSlide.id == hash) ) { - target = targetSlide; - break; - } - } - while(target != null && target.nodeName != 'BODY') { - if (hasClass(target, 'slide')) { - return parseInt(target.id.slice(5)); - } - target = target.parentNode; - } - return null; -} - -function slideJump() { - if (window.location.hash == null) return; - var sregex = /^#slide(\d+)$/; - var matches = sregex.exec(window.location.hash); - var dest = null; - if (matches != null) { - dest = parseInt(matches[1]); - } else { - dest = findSlide(window.location.hash.slice(1)); - } - if (dest != null) - go(dest - snum); -} - -function fixLinks() { - var thisUri = window.location.href; - thisUri = thisUri.slice(0, thisUri.length - window.location.hash.length); - var aelements = document.getElementsByTagName('A'); - for (var i = 0; i < aelements.length; i++) { - var a = aelements[i].href; - var slideID = a.match('\#slide[0-9]{1,2}'); - if ((slideID) && (slideID[0].slice(0,1) == '#')) { - var dest = findSlide(slideID[0].slice(1)); - if (dest != null) { - if (aelements[i].addEventListener) { - aelements[i].addEventListener("click", new Function("e", - "if (document.getElementById('slideProj').disabled) return;" + - "go("+dest+" - snum); " + - "if (e.preventDefault) e.preventDefault();"), true); - } else if (aelements[i].attachEvent) { - aelements[i].attachEvent("onclick", new Function("", - "if (document.getElementById('slideProj').disabled) return;" + - "go("+dest+" - snum); " + - "event.returnValue = false;")); - } - } - } - } -} - -function externalLinks() { - if (!document.getElementsByTagName) return; - var anchors = document.getElementsByTagName('a'); - for (var i=0; i<anchors.length; i++) { - var anchor = anchors[i]; - if (anchor.getAttribute('href') && hasValue(anchor.rel, 'external')) { - anchor.target = '_blank'; - addClass(anchor,'external'); - } - } -} - -function createControls() { - var controlsDiv = document.getElementById("controls"); - if (!controlsDiv) return; - var hider = ' onmouseover="showHide(\'s\');" onmouseout="showHide(\'h\');"'; - var hideDiv, hideList = ''; - if (controlVis == 'hidden') { - hideDiv = hider; - } else { - hideList = hider; - } - controlsDiv.innerHTML = '<form action="#" id="controlForm"' + hideDiv + '>' + - '<div id="navLinks">' + - '<a accesskey="t" id="toggle" href="javascript:toggle();">Ø<\/a>' + - '<a accesskey="z" id="prev" href="javascript:go(-1);">«<\/a>' + - '<a accesskey="x" id="next" href="javascript:go(1);">»<\/a>' + - '<div id="navList"' + hideList + '><select id="jumplist" onchange="go(\'j\');"><\/select><\/div>' + - '<\/div><\/form>'; - if (controlVis == 'hidden') { - var hidden = document.getElementById('navLinks'); - } else { - var hidden = document.getElementById('jumplist'); - } - addClass(hidden,'hideme'); -} - -function fontScale() { // causes layout problems in FireFox that get fixed if browser's Reload is used; same may be true of other Gecko-based browsers - if (!s5mode) return false; - var vScale = 22; // both yield 32 (after rounding) at 1024x768 - var hScale = 32; // perhaps should auto-calculate based on theme's declared value? - if (window.innerHeight) { - var vSize = window.innerHeight; - var hSize = window.innerWidth; - } else if (document.documentElement.clientHeight) { - var vSize = document.documentElement.clientHeight; - var hSize = document.documentElement.clientWidth; - } else if (document.body.clientHeight) { - var vSize = document.body.clientHeight; - var hSize = document.body.clientWidth; - } else { - var vSize = 700; // assuming 1024x768, minus chrome and such - var hSize = 1024; // these do not account for kiosk mode or Opera Show - } - var newSize = Math.min(Math.round(vSize/vScale),Math.round(hSize/hScale)); - fontSize(newSize + 'px'); - if (isGe) { // hack to counter incremental reflow bugs - var obj = document.getElementsByTagName('body')[0]; - obj.style.display = 'none'; - obj.style.display = 'block'; - } -} - -function fontSize(value) { - if (!(s5ss = document.getElementById('s5ss'))) { - if (!isIE) { - document.getElementsByTagName('head')[0].appendChild(s5ss = document.createElement('style')); - s5ss.setAttribute('media','screen, projection'); - s5ss.setAttribute('id','s5ss'); - } else { - document.createStyleSheet(); - document.s5ss = document.styleSheets[document.styleSheets.length - 1]; - } - } - if (!isIE) { - while (s5ss.lastChild) s5ss.removeChild(s5ss.lastChild); - s5ss.appendChild(document.createTextNode('body {font-size: ' + value + ' !important;}')); - } else { - document.s5ss.addRule('body','font-size: ' + value + ' !important;'); - } -} - -function notOperaFix() { - slideCSS = document.getElementById('slideProj').href; - var slides = document.getElementById('slideProj'); - var outline = document.getElementById('outlineStyle'); - slides.setAttribute('media','screen'); - outline.disabled = true; - if (isGe) { - slides.setAttribute('href','null'); // Gecko fix - slides.setAttribute('href',slideCSS); // Gecko fix - } - if (isIE && document.styleSheets && document.styleSheets[0]) { - document.styleSheets[0].addRule('img', 'behavior: url(ui/default/iepngfix.htc)'); - document.styleSheets[0].addRule('div', 'behavior: url(ui/default/iepngfix.htc)'); - document.styleSheets[0].addRule('.slide', 'behavior: url(ui/default/iepngfix.htc)'); - } -} - -function getIncrementals(obj) { - var incrementals = new Array(); - if (!obj) - return incrementals; - var children = obj.childNodes; - for (var i = 0; i < children.length; i++) { - var child = children[i]; - if (hasClass(child, 'incremental')) { - if (child.nodeName == 'OL' || child.nodeName == 'UL') { - removeClass(child, 'incremental'); - for (var j = 0; j < child.childNodes.length; j++) { - if (child.childNodes[j].nodeType == 1) { - addClass(child.childNodes[j], 'incremental'); - } - } - } else { - incrementals[incrementals.length] = child; - removeClass(child,'incremental'); - } - } - if (hasClass(child, 'show-first')) { - if (child.nodeName == 'OL' || child.nodeName == 'UL') { - removeClass(child, 'show-first'); - if (child.childNodes[isGe].nodeType == 1) { - removeClass(child.childNodes[isGe], 'incremental'); - } - } else { - incrementals[incrementals.length] = child; - } - } - incrementals = incrementals.concat(getIncrementals(child)); - } - return incrementals; -} - -function createIncrementals() { - var incrementals = new Array(); - for (var i = 0; i < smax; i++) { - incrementals[i] = getIncrementals(document.getElementById('slide'+i)); - } - return incrementals; -} - -function defaultCheck() { - var allMetas = document.getElementsByTagName('meta'); - for (var i = 0; i< allMetas.length; i++) { - if (allMetas[i].name == 'defaultView') { - defaultView = allMetas[i].content; - } - if (allMetas[i].name == 'controlVis') { - controlVis = allMetas[i].content; - } - } -} - -// Key trap fix, new function body for trap() -function trap(e) { - if (!e) { - e = event; - e.which = e.keyCode; - } - try { - modifierKey = e.ctrlKey || e.altKey || e.metaKey; - } - catch(e) { - modifierKey = false; - } - return modifierKey || e.which == 0; -} - -function startup() { - defaultCheck(); - if (!isOp) - createControls(); - slideLabel(); - fixLinks(); - externalLinks(); - fontScale(); - if (!isOp) { - notOperaFix(); - incrementals = createIncrementals(); - slideJump(); - if (defaultView == 'outline') { - toggle(); - } - document.onkeyup = keys; - document.onkeypress = trap; - document.onclick = clicker; - } -} - -window.onload = startup; -window.onresize = function(){setTimeout('fontScale()', 50);}</script> +var undef;var slideCSS='';var snum=0;var smax=1;var incpos=0;var number=undef;var s5mode=true;var defaultView='slideshow';var controlVis='visible';var isIE=navigator.appName=='Microsoft Internet Explorer'&&navigator.userAgent.indexOf('Opera')<1?1:0;var isOp=navigator.userAgent.indexOf('Opera')>-1?1:0;var isGe=navigator.userAgent.indexOf('Gecko')>-1&&navigator.userAgent.indexOf('Safari')<1?1:0;function hasClass(object,className){if(!object.className)return false;return(object.className.search('(^|\\s)'+className+'(\\s|$)')!=-1);} +function hasValue(object,value){if(!object)return false;return(object.search('(^|\\s)'+value+'(\\s|$)')!=-1);} +function removeClass(object,className){if(!object)return;object.className=object.className.replace(new RegExp('(^|\\s)'+className+'(\\s|$)'),RegExp.$1+RegExp.$2);} +function addClass(object,className){if(!object||hasClass(object,className))return;if(object.className){object.className+=' '+className;}else{object.className=className;}} +function GetElementsWithClassName(elementName,className){var allElements=document.getElementsByTagName(elementName);var elemColl=new Array();for(var i=0;i<allElements.length;i++){if(hasClass(allElements[i],className)){elemColl[elemColl.length]=allElements[i];}} +return elemColl;} +function isParentOrSelf(element,id){if(element==null||element.nodeName=='BODY')return false;else if(element.id==id)return true;else return isParentOrSelf(element.parentNode,id);} +function nodeValue(node){var result="";if(node.nodeType==1){var children=node.childNodes;for(var i=0;i<children.length;++i){result+=nodeValue(children[i]);}} +else if(node.nodeType==3){result=node.nodeValue;} +return(result);} +function slideLabel(){var slideColl=GetElementsWithClassName('*','slide');var list=document.getElementById('jumplist');smax=slideColl.length;for(var n=0;n<smax;n++){var obj=slideColl[n];var did='slide'+n.toString();obj.setAttribute('id',did);if(isOp)continue;var otext='';var menu=obj.firstChild;if(!menu)continue;while(menu&&menu.nodeType==3){menu=menu.nextSibling;} +if(!menu)continue;var menunodes=menu.childNodes;for(var o=0;o<menunodes.length;o++){otext+=nodeValue(menunodes[o]);} +list.options[list.length]=new Option(n+' : '+otext,n);}} +function currentSlide(){var cs;if(document.getElementById){cs=document.getElementById('currentSlide');}else{cs=document.currentSlide;} +cs.innerHTML='<span id="csHere">'+snum+'<\/span> '+'<span id="csSep">\/<\/span> '+'<span id="csTotal">'+(smax-1)+'<\/span>';if(snum==0){cs.style.visibility='hidden';}else{cs.style.visibility='visible';}} +function go(step){if(document.getElementById('slideProj').disabled||step==0)return;var jl=document.getElementById('jumplist');var cid='slide'+snum;var ce=document.getElementById(cid);if(incrementals[snum].length>0){for(var i=0;i<incrementals[snum].length;i++){removeClass(incrementals[snum][i],'current');removeClass(incrementals[snum][i],'incremental');}} +if(step!='j'){snum+=step;lmax=smax-1;if(snum>lmax)snum=lmax;if(snum<0)snum=0;}else +snum=parseInt(jl.value);var nid='slide'+snum;var ne=document.getElementById(nid);if(!ne){ne=document.getElementById('slide0');snum=0;} +if(step<0){incpos=incrementals[snum].length}else{incpos=0;} +if(incrementals[snum].length>0&&incpos==0){for(var i=0;i<incrementals[snum].length;i++){if(hasClass(incrementals[snum][i],'current')) +incpos=i+1;else +addClass(incrementals[snum][i],'incremental');}} +if(incrementals[snum].length>0&&incpos>0) +addClass(incrementals[snum][incpos-1],'current');ce.style.visibility='hidden';ne.style.visibility='visible';jl.selectedIndex=snum;currentSlide();number=0;} +function goTo(target){if(target>=smax||target==snum)return;go(target-snum);} +function subgo(step){if(step>0){removeClass(incrementals[snum][incpos-1],'current');removeClass(incrementals[snum][incpos],'incremental');addClass(incrementals[snum][incpos],'current');incpos++;}else{incpos--;removeClass(incrementals[snum][incpos],'current');addClass(incrementals[snum][incpos],'incremental');addClass(incrementals[snum][incpos-1],'current');}} +function toggle(){var slideColl=GetElementsWithClassName('*','slide');var slides=document.getElementById('slideProj');var outline=document.getElementById('outlineStyle');if(!slides.disabled){slides.disabled=true;outline.disabled=false;s5mode=false;fontSize('1em');for(var n=0;n<smax;n++){var slide=slideColl[n];slide.style.visibility='visible';}}else{slides.disabled=false;outline.disabled=true;s5mode=true;fontScale();for(var n=0;n<smax;n++){var slide=slideColl[n];slide.style.visibility='hidden';} +slideColl[snum].style.visibility='visible';}} +function showHide(action){var obj=GetElementsWithClassName('*','hideme')[0];switch(action){case's':obj.style.visibility='visible';break;case'h':obj.style.visibility='hidden';break;case'k':if(obj.style.visibility!='visible'){obj.style.visibility='visible';}else{obj.style.visibility='hidden';} +break;}} +function keys(key){if(!key){key=event;key.which=key.keyCode;} +if(key.which==84){toggle();return;} +if(s5mode){switch(key.which){case 10:case 13:if(window.event&&isParentOrSelf(window.event.srcElement,'controls'))return;if(key.target&&isParentOrSelf(key.target,'controls'))return;if(number!=undef){goTo(number);break;} +case 32:case 34:case 39:case 40:if(number!=undef){go(number);}else if(!incrementals[snum]||incpos>=incrementals[snum].length){go(1);}else{subgo(1);} +break;case 33:case 37:case 38:if(number!=undef){go(-1*number);}else if(!incrementals[snum]||incpos<=0){go(-1);}else{subgo(-1);} +break;case 36:goTo(0);break;case 35:goTo(smax-1);break;case 67:showHide('k');break;} +if(key.which<48||key.which>57){number=undef;}else{if(window.event&&isParentOrSelf(window.event.srcElement,'controls'))return;if(key.target&&isParentOrSelf(key.target,'controls'))return;number=(((number!=undef)?number:0)*10)+(key.which-48);}} +return false;} +function clicker(e){number=undef;var target;if(window.event){target=window.event.srcElement;e=window.event;}else target=e.target;if(target.getAttribute('href')!=null||hasValue(target.rel,'external')||isParentOrSelf(target,'controls')||isParentOrSelf(target,'embed')||isParentOrSelf(target,'object'))return true;if(!e.which||e.which==1){if(!incrementals[snum]||incpos>=incrementals[snum].length){go(1);}else{subgo(1);}}} +function findSlide(hash){var target=null;var slides=GetElementsWithClassName('*','slide');for(var i=0;i<slides.length;i++){var targetSlide=slides[i];if((targetSlide.name&&targetSlide.name==hash)||(targetSlide.id&&targetSlide.id==hash)){target=targetSlide;break;}} +while(target!=null&&target.nodeName!='BODY'){if(hasClass(target,'slide')){return parseInt(target.id.slice(5));} +target=target.parentNode;} +return null;} +function slideJump(){if(window.location.hash==null)return;var sregex=/^#slide(\d+)$/;var matches=sregex.exec(window.location.hash);var dest=null;if(matches!=null){dest=parseInt(matches[1]);}else{dest=findSlide(window.location.hash.slice(1));} +if(dest!=null) +go(dest-snum);} +function fixLinks(){var thisUri=window.location.href;thisUri=thisUri.slice(0,thisUri.length-window.location.hash.length);var aelements=document.getElementsByTagName('A');for(var i=0;i<aelements.length;i++){var a=aelements[i].href;var slideID=a.match('\#slide[0-9]{1,2}');if((slideID)&&(slideID[0].slice(0,1)=='#')){var dest=findSlide(slideID[0].slice(1));if(dest!=null){if(aelements[i].addEventListener){aelements[i].addEventListener("click",new Function("e","if (document.getElementById('slideProj').disabled) return;"+"go("+dest+" - snum); "+"if (e.preventDefault) e.preventDefault();"),true);}else if(aelements[i].attachEvent){aelements[i].attachEvent("onclick",new Function("","if (document.getElementById('slideProj').disabled) return;"+"go("+dest+" - snum); "+"event.returnValue = false;"));}}}}} +function externalLinks(){if(!document.getElementsByTagName)return;var anchors=document.getElementsByTagName('a');for(var i=0;i<anchors.length;i++){var anchor=anchors[i];if(anchor.getAttribute('href')&&hasValue(anchor.rel,'external')){anchor.target='_blank';addClass(anchor,'external');}}} +function createControls(){var controlsDiv=document.getElementById("controls");if(!controlsDiv)return;var hider=' onmouseover="showHide(\'s\');" onmouseout="showHide(\'h\');"';var hideDiv,hideList='';if(controlVis=='hidden'){hideDiv=hider;}else{hideList=hider;} +controlsDiv.innerHTML='<form action="#" id="controlForm"'+hideDiv+'>'+'<div id="navLinks">'+'<a accesskey="t" id="toggle" href="javascript:toggle();">Ø<\/a>'+'<a accesskey="z" id="prev" href="javascript:go(-1);">«<\/a>'+'<a accesskey="x" id="next" href="javascript:go(1);">»<\/a>'+'<div id="navList"'+hideList+'><select id="jumplist" onchange="go(\'j\');"><\/select><\/div>'+'<\/div><\/form>';if(controlVis=='hidden'){var hidden=document.getElementById('navLinks');}else{var hidden=document.getElementById('jumplist');} +addClass(hidden,'hideme');} +function fontScale(){if(!s5mode)return false;var vScale=22;var hScale=32;if(window.innerHeight){var vSize=window.innerHeight;var hSize=window.innerWidth;}else if(document.documentElement.clientHeight){var vSize=document.documentElement.clientHeight;var hSize=document.documentElement.clientWidth;}else if(document.body.clientHeight){var vSize=document.body.clientHeight;var hSize=document.body.clientWidth;}else{var vSize=700;var hSize=1024;} +var newSize=Math.min(Math.round(vSize/vScale),Math.round(hSize/hScale));fontSize(newSize+'px');if(isGe){var obj=document.getElementsByTagName('body')[0];obj.style.display='none';obj.style.display='block';}} +function fontSize(value){if(!(s5ss=document.getElementById('s5ss'))){if(!isIE){document.getElementsByTagName('head')[0].appendChild(s5ss=document.createElement('style'));s5ss.setAttribute('media','screen, projection');s5ss.setAttribute('id','s5ss');}else{document.createStyleSheet();document.s5ss=document.styleSheets[document.styleSheets.length-1];}} +if(!isIE){while(s5ss.lastChild)s5ss.removeChild(s5ss.lastChild);s5ss.appendChild(document.createTextNode('body {font-size: '+value+' !important;}'));}else{document.s5ss.addRule('body','font-size: '+value+' !important;');}} +function notOperaFix(){slideCSS=document.getElementById('slideProj').href;var slides=document.getElementById('slideProj');var outline=document.getElementById('outlineStyle');slides.setAttribute('media','screen');outline.disabled=true;if(isGe){slides.setAttribute('href','null');slides.setAttribute('href',slideCSS);} +if(isIE&&document.styleSheets&&document.styleSheets[0]){document.styleSheets[0].addRule('img','behavior: url(ui/default/iepngfix.htc)');document.styleSheets[0].addRule('div','behavior: url(ui/default/iepngfix.htc)');document.styleSheets[0].addRule('.slide','behavior: url(ui/default/iepngfix.htc)');}} +function getIncrementals(obj){var incrementals=new Array();if(!obj) +return incrementals;var children=obj.childNodes;for(var i=0;i<children.length;i++){var child=children[i];if(hasClass(child,'incremental')){if(child.nodeName=='OL'||child.nodeName=='UL'){removeClass(child,'incremental');for(var j=0;j<child.childNodes.length;j++){if(child.childNodes[j].nodeType==1){addClass(child.childNodes[j],'incremental');}}}else{incrementals[incrementals.length]=child;removeClass(child,'incremental');}} +if(hasClass(child,'show-first')){if(child.nodeName=='OL'||child.nodeName=='UL'){removeClass(child,'show-first');if(child.childNodes[isGe].nodeType==1){removeClass(child.childNodes[isGe],'incremental');}}else{incrementals[incrementals.length]=child;}} +incrementals=incrementals.concat(getIncrementals(child));} +return incrementals;} +function createIncrementals(){var incrementals=new Array();for(var i=0;i<smax;i++){incrementals[i]=getIncrementals(document.getElementById('slide'+i));} +return incrementals;} +function defaultCheck(){var allMetas=document.getElementsByTagName('meta');for(var i=0;i<allMetas.length;i++){if(allMetas[i].name=='defaultView'){defaultView=allMetas[i].content;} +if(allMetas[i].name=='controlVis'){controlVis=allMetas[i].content;}}} +function trap(e){if(!e){e=event;e.which=e.keyCode;} +try{modifierKey=e.ctrlKey||e.altKey||e.metaKey;} +catch(e){modifierKey=false;} +return modifierKey||e.which==0;} +function startup(){defaultCheck();if(!isOp) +createControls();slideLabel();fixLinks();externalLinks();fontScale();if(!isOp){notOperaFix();incrementals=createIncrementals();slideJump();if(defaultView=='outline'){toggle();} +document.onkeyup=keys;document.onkeypress=trap;document.onclick=clicker;}} +window.onload=startup;window.onresize=function(){setTimeout('fontScale()',50);} +</script> </head ><body ><div class="layout"> diff --git a/tests/s5.fancy.html b/tests/s5.fancy.html index 97ce03b45..486ef2ff5 100644 --- a/tests/s5.fancy.html +++ b/tests/s5.fancy.html @@ -10,3234 +10,381 @@ /><meta name="date" content="July 15, 2006" /><script type="text/javascript"> /* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ - -var mathcolor = ""; // change it to "" (to inherit) or another color -var mathfontsize = "1em"; // change to e.g. 1.2em for larger math -var mathfontfamily = "serif"; // change to "" to inherit (works in IE) - // or another family (e.g. "arial") -var automathrecognize = false; // writing "amath" on page makes this true -var checkForMathML = true; // check if browser can display MathML -var notifyIfNoMathML = true; // display note at top if no MathML capability -var alertIfNoMathML = false; // show alert box if no MathML capability -var translateOnLoad = true; // set to false to do call translators from js -var translateLaTeX = true; // false to preserve $..$, $$..$$ -var translateLaTeXformatting = true; // false to preserve \emph,\begin{},\end{} -var translateASCIIMath = true; // false to preserve `..` -var translateASCIIsvg = true; // false to preserve agraph.., \begin{graph}.. -var avoidinnerHTML = false; // set true if assigning to innerHTML gives error -var displaystyle = true; // puts limits above and below large operators -var showasciiformulaonhover = true; // helps students learn ASCIIMath -var decimalsign = "."; // change to "," if you like, beware of `(1,2)`! -var AMdelimiter1 = "`", AMescape1 = "\\\\`"; // can use other characters -var AMdocumentId = "wikitext" // PmWiki element containing math (default=body) -var checkforprocessasciimathinmoodle = false; // true for systems like Moodle -var dsvglocation = ""; // path to d.svg (blank if same as ASCIIMathML.js loc) - -/* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ - -var isIE = document.createElementNS==null; -var noMathML = false, translated = false; - -if (isIE) { // avoid adding MathPlayer info explicitly to each webpage - document.write("<object id=\"mathplayer\"\ - classid=\"clsid:32F66A20-7614-11D4-BD11-00104BD3F987\"></object>"); - document.write("<?import namespace=\"m\" implementation=\"#mathplayer\"?>"); -} - -// Add a stylesheet, replacing any previous custom stylesheet (adapted from TW) -function setStylesheet(s) { - var id = "AMMLcustomStyleSheet"; - var n = document.getElementById(id); - if(document.createStyleSheet) { - // Test for IE's non-standard createStyleSheet method - if(n) - n.parentNode.removeChild(n); - // This failed without the - document.getElementsByTagName("head")[0].insertAdjacentHTML("beforeEnd"," <style id='" + id + "'>" + s + "</style>"); - } else { - if(n) { - n.replaceChild(document.createTextNode(s),n.firstChild); - } else { - n = document.createElement("style"); - n.type = "text/css"; - n.id = id; - n.appendChild(document.createTextNode(s)); - document.getElementsByTagName("head")[0].appendChild(n); - } - } -} - -setStylesheet("#AMMLcloseDiv \{font-size:0.8em; padding-top:1em; color:#014\}\n#AMMLwarningBox \{position:absolute; width:100%; top:0; left:0; z-index:200; text-align:center; font-size:1em; font-weight:bold; padding:0.5em 0 0.5em 0; color:#ffc; background:#c30\}"); - -function init(){ - var msg, warnings = new Array(); - if (document.getElementById==null){ - alert("This webpage requires a recent browser such as Mozilla Firefox/Netscape 7+ or Internet Explorer 6+ with MathPlayer and Adobe SVGviewer"); - return null; - } - if (checkForMathML && (msg = checkMathML())) warnings.push(msg); - if (checkIfSVGavailable && (msg = checkSVG())) warnings.push(msg); - if (warnings.length>0) displayWarnings(warnings); - if (!noMathML) initSymbols(); - return true; -} - -function checkMathML(){ - if (navigator.appName.slice(0,8)=="Netscape") - if (navigator.appVersion.slice(0,1)>="5") noMathML = null; - else noMathML = true; - else if (navigator.appName.slice(0,9)=="Microsoft") - try { - var ActiveX = new ActiveXObject("MathPlayer.Factory.1"); - noMathML = null; - } catch (e) { - noMathML = true; - } - else noMathML = true; -//noMathML = true; //uncomment to check - if (noMathML && notifyIfNoMathML) { - var msg = "To view the ASCIIMathML notation use Internet Explorer + MathPlayer or Mozilla Firefox 2.0 or later."; - if (alertIfNoMathML) - alert(msg); - else return msg; - } -} - -function hideWarning(){ - var body = document.getElementsByTagName("body")[0]; - body.removeChild(document.getElementById('AMMLwarningBox')); - body.onclick = null; -} - -function displayWarnings(warnings) { - var i, frag, nd = createElementXHTML("div"); - var body = document.getElementsByTagName("body")[0]; - body.onclick=hideWarning; - nd.id = 'AMMLwarningBox'; - for (i=0; i<warnings.length; i++) { - frag = createElementXHTML("div"); - frag.appendChild(document.createTextNode(warnings[i])); - frag.style.paddingBottom = "1.0em"; - nd.appendChild(frag); - } - nd.appendChild(createElementXHTML("p")); - nd.appendChild(document.createTextNode("For instructions see the ")); - var an = createElementXHTML("a"); - an.appendChild(document.createTextNode("ASCIIMathML")); - an.setAttribute("href","http://www.chapman.edu/~jipsen/asciimath.html"); - nd.appendChild(an); - nd.appendChild(document.createTextNode(" homepage")); - an = createElementXHTML("div"); - an.id = 'AMMLcloseDiv'; - an.appendChild(document.createTextNode('(click anywhere to close this warning)')); - nd.appendChild(an); - var body = document.getElementsByTagName("body")[0]; - body.insertBefore(nd,body.childNodes[0]); -} - -function translate(spanclassAM) { - if (!translated) { // run this only once - translated = true; - var body = document.getElementsByTagName("body")[0]; - var processN = document.getElementById(AMdocumentId); - if (translateLaTeX) LMprocessNode((processN!=null?processN:body)); - if (translateASCIIMath) AMprocessNode((processN!=null?processN:body), false, spanclassAM); - } -} - -function createElementXHTML(t) { - if (isIE) return document.createElement(t); - else return document.createElementNS("http://www.w3.org/1999/xhtml",t); -} - -function createMmlNode(t,frag) { - if (isIE) var node = document.createElement("m:"+t); - else var node = document.createElementNS("http://www.w3.org/1998/Math/MathML",t); - if (frag) node.appendChild(frag); - return node; -} - -// character lists for Mozilla/Netscape fonts -var AMcal = [0xEF35,0x212C,0xEF36,0xEF37,0x2130,0x2131,0xEF38,0x210B,0x2110,0xEF39,0xEF3A,0x2112,0x2133,0xEF3B,0xEF3C,0xEF3D,0xEF3E,0x211B,0xEF3F,0xEF40,0xEF41,0xEF42,0xEF43,0xEF44,0xEF45,0xEF46]; -var AMfrk = [0xEF5D,0xEF5E,0x212D,0xEF5F,0xEF60,0xEF61,0xEF62,0x210C,0x2111,0xEF63,0xEF64,0xEF65,0xEF66,0xEF67,0xEF68,0xEF69,0xEF6A,0x211C,0xEF6B,0xEF6C,0xEF6D,0xEF6E,0xEF6F,0xEF70,0xEF71,0x2128]; -var AMbbb = [0xEF8C,0xEF8D,0x2102,0xEF8E,0xEF8F,0xEF90,0xEF91,0x210D,0xEF92,0xEF93,0xEF94,0xEF95,0xEF96,0x2115,0xEF97,0x2119,0x211A,0x211D,0xEF98,0xEF99,0xEF9A,0xEF9B,0xEF9C,0xEF9D,0xEF9E,0x2124]; - -var CONST = 0, UNARY = 1, BINARY = 2, INFIX = 3, LEFTBRACKET = 4, - RIGHTBRACKET = 5, SPACE = 6, UNDEROVER = 7, DEFINITION = 8, - LEFTRIGHT = 9, TEXT = 10, BIG = 11, LONG = 12, STRETCHY = 13, - MATRIX = 14;; // token types - -var AMquote = {input:"\"", tag:"mtext", output:"mbox", tex:null, ttype:TEXT}; - -var AMsymbols = [ -//some greek symbols -{input:"alpha", tag:"mi", output:"\u03B1", tex:null, ttype:CONST}, -{input:"beta", tag:"mi", output:"\u03B2", tex:null, ttype:CONST}, -{input:"chi", tag:"mi", output:"\u03C7", tex:null, ttype:CONST}, -{input:"delta", tag:"mi", output:"\u03B4", tex:null, ttype:CONST}, -{input:"Delta", tag:"mo", output:"\u0394", tex:null, ttype:CONST}, -{input:"epsi", tag:"mi", output:"\u03B5", tex:"epsilon", ttype:CONST}, -{input:"varepsilon", tag:"mi", output:"\u025B", tex:null, ttype:CONST}, -{input:"eta", tag:"mi", output:"\u03B7", tex:null, ttype:CONST}, -{input:"gamma", tag:"mi", output:"\u03B3", tex:null, ttype:CONST}, -{input:"Gamma", tag:"mo", output:"\u0393", tex:null, ttype:CONST}, -{input:"iota", tag:"mi", output:"\u03B9", tex:null, ttype:CONST}, -{input:"kappa", tag:"mi", output:"\u03BA", tex:null, ttype:CONST}, -{input:"lambda", tag:"mi", output:"\u03BB", tex:null, ttype:CONST}, -{input:"Lambda", tag:"mo", output:"\u039B", tex:null, ttype:CONST}, -{input:"mu", tag:"mi", output:"\u03BC", tex:null, ttype:CONST}, -{input:"nu", tag:"mi", output:"\u03BD", tex:null, ttype:CONST}, -{input:"omega", tag:"mi", output:"\u03C9", tex:null, ttype:CONST}, -{input:"Omega", tag:"mo", output:"\u03A9", tex:null, ttype:CONST}, -{input:"phi", tag:"mi", output:"\u03C6", tex:null, ttype:CONST}, -{input:"varphi", tag:"mi", output:"\u03D5", tex:null, ttype:CONST}, -{input:"Phi", tag:"mo", output:"\u03A6", tex:null, ttype:CONST}, -{input:"pi", tag:"mi", output:"\u03C0", tex:null, ttype:CONST}, -{input:"Pi", tag:"mo", output:"\u03A0", tex:null, ttype:CONST}, -{input:"psi", tag:"mi", output:"\u03C8", tex:null, ttype:CONST}, -{input:"Psi", tag:"mi", output:"\u03A8", tex:null, ttype:CONST}, -{input:"rho", tag:"mi", output:"\u03C1", tex:null, ttype:CONST}, -{input:"sigma", tag:"mi", output:"\u03C3", tex:null, ttype:CONST}, -{input:"Sigma", tag:"mo", output:"\u03A3", tex:null, ttype:CONST}, -{input:"tau", tag:"mi", output:"\u03C4", tex:null, ttype:CONST}, -{input:"theta", tag:"mi", output:"\u03B8", tex:null, ttype:CONST}, -{input:"vartheta", tag:"mi", output:"\u03D1", tex:null, ttype:CONST}, -{input:"Theta", tag:"mo", output:"\u0398", tex:null, ttype:CONST}, -{input:"upsilon", tag:"mi", output:"\u03C5", tex:null, ttype:CONST}, -{input:"xi", tag:"mi", output:"\u03BE", tex:null, ttype:CONST}, -{input:"Xi", tag:"mo", output:"\u039E", tex:null, ttype:CONST}, -{input:"zeta", tag:"mi", output:"\u03B6", tex:null, ttype:CONST}, - -//binary operation symbols -//{input:"-", tag:"mo", output:"\u0096", tex:null, ttype:CONST}, -{input:"*", tag:"mo", output:"\u22C5", tex:"cdot", ttype:CONST}, -{input:"**", tag:"mo", output:"\u22C6", tex:"star", ttype:CONST}, -{input:"//", tag:"mo", output:"/", tex:null, ttype:CONST}, -{input:"\\\\", tag:"mo", output:"\\", tex:"backslash", ttype:CONST}, -{input:"setminus", tag:"mo", output:"\\", tex:null, ttype:CONST}, -{input:"xx", tag:"mo", output:"\u00D7", tex:"times", ttype:CONST}, -{input:"-:", tag:"mo", output:"\u00F7", tex:"divide", ttype:CONST}, -{input:"@", tag:"mo", output:"\u2218", tex:"circ", ttype:CONST}, -{input:"o+", tag:"mo", output:"\u2295", tex:"oplus", ttype:CONST}, -{input:"ox", tag:"mo", output:"\u2297", tex:"otimes", ttype:CONST}, -{input:"o.", tag:"mo", output:"\u2299", tex:"odot", ttype:CONST}, -{input:"sum", tag:"mo", output:"\u2211", tex:null, ttype:UNDEROVER}, -{input:"prod", tag:"mo", output:"\u220F", tex:null, ttype:UNDEROVER}, -{input:"^^", tag:"mo", output:"\u2227", tex:"wedge", ttype:CONST}, -{input:"^^^", tag:"mo", output:"\u22C0", tex:"bigwedge", ttype:UNDEROVER}, -{input:"vv", tag:"mo", output:"\u2228", tex:"vee", ttype:CONST}, -{input:"vvv", tag:"mo", output:"\u22C1", tex:"bigvee", ttype:UNDEROVER}, -{input:"nn", tag:"mo", output:"\u2229", tex:"cap", ttype:CONST}, -{input:"nnn", tag:"mo", output:"\u22C2", tex:"bigcap", ttype:UNDEROVER}, -{input:"uu", tag:"mo", output:"\u222A", tex:"cup", ttype:CONST}, -{input:"uuu", tag:"mo", output:"\u22C3", tex:"bigcup", ttype:UNDEROVER}, - -//binary relation symbols -{input:"!=", tag:"mo", output:"\u2260", tex:"ne", ttype:CONST}, -{input:":=", tag:"mo", output:":=", tex:null, ttype:CONST}, -{input:"lt", tag:"mo", output:"<", tex:null, ttype:CONST}, -{input:"<=", tag:"mo", output:"\u2264", tex:"le", ttype:CONST}, -{input:"lt=", tag:"mo", output:"\u2264", tex:"leq", ttype:CONST}, -{input:">=", tag:"mo", output:"\u2265", tex:"ge", ttype:CONST}, -{input:"geq", tag:"mo", output:"\u2265", tex:null, ttype:CONST}, -{input:"-<", tag:"mo", output:"\u227A", tex:"prec", ttype:CONST}, -{input:"-lt", tag:"mo", output:"\u227A", tex:null, ttype:CONST}, -{input:">-", tag:"mo", output:"\u227B", tex:"succ", ttype:CONST}, -{input:"-<=", tag:"mo", output:"\u2AAF", tex:"preceq", ttype:CONST}, -{input:">-=", tag:"mo", output:"\u2AB0", tex:"succeq", ttype:CONST}, -{input:"in", tag:"mo", output:"\u2208", tex:null, ttype:CONST}, -{input:"!in", tag:"mo", output:"\u2209", tex:"notin", ttype:CONST}, -{input:"sub", tag:"mo", output:"\u2282", tex:"subset", ttype:CONST}, -{input:"sup", tag:"mo", output:"\u2283", tex:"supset", ttype:CONST}, -{input:"sube", tag:"mo", output:"\u2286", tex:"subseteq", ttype:CONST}, -{input:"supe", tag:"mo", output:"\u2287", tex:"supseteq", ttype:CONST}, -{input:"-=", tag:"mo", output:"\u2261", tex:"equiv", ttype:CONST}, -{input:"~=", tag:"mo", output:"\u2245", tex:"cong", ttype:CONST}, -{input:"~~", tag:"mo", output:"\u2248", tex:"approx", ttype:CONST}, -{input:"prop", tag:"mo", output:"\u221D", tex:"propto", ttype:CONST}, - -//logical symbols -{input:"and", tag:"mtext", output:"and", tex:null, ttype:SPACE}, -{input:"or", tag:"mtext", output:"or", tex:null, ttype:SPACE}, -{input:"not", tag:"mo", output:"\u00AC", tex:"neg", ttype:CONST}, -{input:"=>", tag:"mo", output:"\u21D2", tex:"implies", ttype:CONST}, -{input:"if", tag:"mo", output:"if", tex:null, ttype:SPACE}, -{input:"<=>", tag:"mo", output:"\u21D4", tex:"iff", ttype:CONST}, -{input:"AA", tag:"mo", output:"\u2200", tex:"forall", ttype:CONST}, -{input:"EE", tag:"mo", output:"\u2203", tex:"exists", ttype:CONST}, -{input:"_|_", tag:"mo", output:"\u22A5", tex:"bot", ttype:CONST}, -{input:"TT", tag:"mo", output:"\u22A4", tex:"top", ttype:CONST}, -{input:"|--", tag:"mo", output:"\u22A2", tex:"vdash", ttype:CONST}, -{input:"|==", tag:"mo", output:"\u22A8", tex:"models", ttype:CONST}, - -//grouping brackets -{input:"(", tag:"mo", output:"(", tex:null, ttype:LEFTBRACKET}, -{input:")", tag:"mo", output:")", tex:null, ttype:RIGHTBRACKET}, -{input:"[", tag:"mo", output:"[", tex:null, ttype:LEFTBRACKET}, -{input:"]", tag:"mo", output:"]", tex:null, ttype:RIGHTBRACKET}, -{input:"{", tag:"mo", output:"{", tex:null, ttype:LEFTBRACKET}, -{input:"}", tag:"mo", output:"}", tex:null, ttype:RIGHTBRACKET}, -{input:"|", tag:"mo", output:"|", tex:null, ttype:LEFTRIGHT}, -//{input:"||", tag:"mo", output:"||", tex:null, ttype:LEFTRIGHT}, -{input:"(:", tag:"mo", output:"\u2329", tex:"langle", ttype:LEFTBRACKET}, -{input:":)", tag:"mo", output:"\u232A", tex:"rangle", ttype:RIGHTBRACKET}, -{input:"<<", tag:"mo", output:"\u2329", tex:null, ttype:LEFTBRACKET}, -{input:">>", tag:"mo", output:"\u232A", tex:null, ttype:RIGHTBRACKET}, -{input:"{:", tag:"mo", output:"{:", tex:null, ttype:LEFTBRACKET, invisible:true}, -{input:":}", tag:"mo", output:":}", tex:null, ttype:RIGHTBRACKET, invisible:true}, - -//miscellaneous symbols -{input:"int", tag:"mo", output:"\u222B", tex:null, ttype:CONST}, -{input:"dx", tag:"mi", output:"{:d x:}", tex:null, ttype:DEFINITION}, -{input:"dy", tag:"mi", output:"{:d y:}", tex:null, ttype:DEFINITION}, -{input:"dz", tag:"mi", output:"{:d z:}", tex:null, ttype:DEFINITION}, -{input:"dt", tag:"mi", output:"{:d t:}", tex:null, ttype:DEFINITION}, -{input:"oint", tag:"mo", output:"\u222E", tex:null, ttype:CONST}, -{input:"del", tag:"mo", output:"\u2202", tex:"partial", ttype:CONST}, -{input:"grad", tag:"mo", output:"\u2207", tex:"nabla", ttype:CONST}, -{input:"+-", tag:"mo", output:"\u00B1", tex:"pm", ttype:CONST}, -{input:"O/", tag:"mo", output:"\u2205", tex:"emptyset", ttype:CONST}, -{input:"oo", tag:"mo", output:"\u221E", tex:"infty", ttype:CONST}, -{input:"aleph", tag:"mo", output:"\u2135", tex:null, ttype:CONST}, -{input:"...", tag:"mo", output:"...", tex:"ldots", ttype:CONST}, -{input:":.", tag:"mo", output:"\u2234", tex:"therefore", ttype:CONST}, -{input:"/_", tag:"mo", output:"\u2220", tex:"angle", ttype:CONST}, -{input:"\\ ", tag:"mo", output:"\u00A0", tex:null, ttype:CONST}, -{input:"quad", tag:"mo", output:"\u00A0\u00A0", tex:null, ttype:CONST}, -{input:"qquad", tag:"mo", output:"\u00A0\u00A0\u00A0\u00A0", tex:null, ttype:CONST}, -{input:"cdots", tag:"mo", output:"\u22EF", tex:null, ttype:CONST}, -{input:"vdots", tag:"mo", output:"\u22EE", tex:null, ttype:CONST}, -{input:"ddots", tag:"mo", output:"\u22F1", tex:null, ttype:CONST}, -{input:"diamond", tag:"mo", output:"\u22C4", tex:null, ttype:CONST}, -{input:"square", tag:"mo", output:"\u25A1", tex:null, ttype:CONST}, -{input:"|__", tag:"mo", output:"\u230A", tex:"lfloor", ttype:CONST}, -{input:"__|", tag:"mo", output:"\u230B", tex:"rfloor", ttype:CONST}, -{input:"|~", tag:"mo", output:"\u2308", tex:"lceiling", ttype:CONST}, -{input:"~|", tag:"mo", output:"\u2309", tex:"rceiling", ttype:CONST}, -{input:"CC", tag:"mo", output:"\u2102", tex:null, ttype:CONST}, -{input:"NN", tag:"mo", output:"\u2115", tex:null, ttype:CONST}, -{input:"QQ", tag:"mo", output:"\u211A", tex:null, ttype:CONST}, -{input:"RR", tag:"mo", output:"\u211D", tex:null, ttype:CONST}, -{input:"ZZ", tag:"mo", output:"\u2124", tex:null, ttype:CONST}, -{input:"f", tag:"mi", output:"f", tex:null, ttype:UNARY, func:true}, -{input:"g", tag:"mi", output:"g", tex:null, ttype:UNARY, func:true}, - -//standard functions -{input:"lim", tag:"mo", output:"lim", tex:null, ttype:UNDEROVER}, -{input:"Lim", tag:"mo", output:"Lim", tex:null, ttype:UNDEROVER}, -{input:"sin", tag:"mo", output:"sin", tex:null, ttype:UNARY, func:true}, -{input:"cos", tag:"mo", output:"cos", tex:null, ttype:UNARY, func:true}, -{input:"tan", tag:"mo", output:"tan", tex:null, ttype:UNARY, func:true}, -{input:"sinh", tag:"mo", output:"sinh", tex:null, ttype:UNARY, func:true}, -{input:"cosh", tag:"mo", output:"cosh", tex:null, ttype:UNARY, func:true}, -{input:"tanh", tag:"mo", output:"tanh", tex:null, ttype:UNARY, func:true}, -{input:"cot", tag:"mo", output:"cot", tex:null, ttype:UNARY, func:true}, -{input:"sec", tag:"mo", output:"sec", tex:null, ttype:UNARY, func:true}, -{input:"csc", tag:"mo", output:"csc", tex:null, ttype:UNARY, func:true}, -{input:"log", tag:"mo", output:"log", tex:null, ttype:UNARY, func:true}, -{input:"ln", tag:"mo", output:"ln", tex:null, ttype:UNARY, func:true}, -{input:"det", tag:"mo", output:"det", tex:null, ttype:UNARY, func:true}, -{input:"dim", tag:"mo", output:"dim", tex:null, ttype:CONST}, -{input:"mod", tag:"mo", output:"mod", tex:null, ttype:CONST}, -{input:"gcd", tag:"mo", output:"gcd", tex:null, ttype:UNARY, func:true}, -{input:"lcm", tag:"mo", output:"lcm", tex:null, ttype:UNARY, func:true}, -{input:"lub", tag:"mo", output:"lub", tex:null, ttype:CONST}, -{input:"glb", tag:"mo", output:"glb", tex:null, ttype:CONST}, -{input:"min", tag:"mo", output:"min", tex:null, ttype:UNDEROVER}, -{input:"max", tag:"mo", output:"max", tex:null, ttype:UNDEROVER}, - -//arrows -{input:"uarr", tag:"mo", output:"\u2191", tex:"uparrow", ttype:CONST}, -{input:"darr", tag:"mo", output:"\u2193", tex:"downarrow", ttype:CONST}, -{input:"rarr", tag:"mo", output:"\u2192", tex:"rightarrow", ttype:CONST}, -{input:"->", tag:"mo", output:"\u2192", tex:"to", ttype:CONST}, -{input:">->", tag:"mo", output:"\u21A3", tex:"rightarrowtail", ttype:CONST}, -{input:"->>", tag:"mo", output:"\u21A0", tex:"twoheadrightarrow", ttype:CONST}, -{input:">->>", tag:"mo", output:"\u2916", tex:"twoheadrightarrowtail", ttype:CONST}, -{input:"|->", tag:"mo", output:"\u21A6", tex:"mapsto", ttype:CONST}, -{input:"larr", tag:"mo", output:"\u2190", tex:"leftarrow", ttype:CONST}, -{input:"harr", tag:"mo", output:"\u2194", tex:"leftrightarrow", ttype:CONST}, -{input:"rArr", tag:"mo", output:"\u21D2", tex:"Rightarrow", ttype:CONST}, -{input:"lArr", tag:"mo", output:"\u21D0", tex:"Leftarrow", ttype:CONST}, -{input:"hArr", tag:"mo", output:"\u21D4", tex:"Leftrightarrow", ttype:CONST}, -//commands with argument -{input:"sqrt", tag:"msqrt", output:"sqrt", tex:null, ttype:UNARY}, -{input:"root", tag:"mroot", output:"root", tex:null, ttype:BINARY}, -{input:"frac", tag:"mfrac", output:"/", tex:null, ttype:BINARY}, -{input:"/", tag:"mfrac", output:"/", tex:null, ttype:INFIX}, -{input:"stackrel", tag:"mover", output:"stackrel", tex:null, ttype:BINARY}, -{input:"_", tag:"msub", output:"_", tex:null, ttype:INFIX}, -{input:"^", tag:"msup", output:"^", tex:null, ttype:INFIX}, -{input:"hat", tag:"mover", output:"\u005E", tex:null, ttype:UNARY, acc:true}, -{input:"bar", tag:"mover", output:"\u00AF", tex:"overline", ttype:UNARY, acc:true}, -{input:"vec", tag:"mover", output:"\u2192", tex:null, ttype:UNARY, acc:true}, -{input:"dot", tag:"mover", output:".", tex:null, ttype:UNARY, acc:true}, -{input:"ddot", tag:"mover", output:"..", tex:null, ttype:UNARY, acc:true}, -{input:"ul", tag:"munder", output:"\u0332", tex:"underline", ttype:UNARY, acc:true}, -{input:"text", tag:"mtext", output:"text", tex:null, ttype:TEXT}, -{input:"mbox", tag:"mtext", output:"mbox", tex:null, ttype:TEXT}, -AMquote, -{input:"bb", tag:"mstyle", atname:"fontweight", atval:"bold", output:"bb", tex:null, ttype:UNARY}, -{input:"mathbf", tag:"mstyle", atname:"fontweight", atval:"bold", output:"mathbf", tex:null, ttype:UNARY}, -{input:"sf", tag:"mstyle", atname:"fontfamily", atval:"sans-serif", output:"sf", tex:null, ttype:UNARY}, -{input:"mathsf", tag:"mstyle", atname:"fontfamily", atval:"sans-serif", output:"mathsf", tex:null, ttype:UNARY}, -{input:"bbb", tag:"mstyle", atname:"mathvariant", atval:"double-struck", output:"bbb", tex:null, ttype:UNARY, codes:AMbbb}, -{input:"mathbb", tag:"mstyle", atname:"mathvariant", atval:"double-struck", output:"mathbb", tex:null, ttype:UNARY, codes:AMbbb}, -{input:"cc", tag:"mstyle", atname:"mathvariant", atval:"script", output:"cc", tex:null, ttype:UNARY, codes:AMcal}, -{input:"mathcal", tag:"mstyle", atname:"mathvariant", atval:"script", output:"mathcal", tex:null, ttype:UNARY, codes:AMcal}, -{input:"tt", tag:"mstyle", atname:"fontfamily", atval:"monospace", output:"tt", tex:null, ttype:UNARY}, -{input:"mathtt", tag:"mstyle", atname:"fontfamily", atval:"monospace", output:"mathtt", tex:null, ttype:UNARY}, -{input:"fr", tag:"mstyle", atname:"mathvariant", atval:"fraktur", output:"fr", tex:null, ttype:UNARY, codes:AMfrk}, -{input:"mathfrak", tag:"mstyle", atname:"mathvariant", atval:"fraktur", output:"mathfrak", tex:null, ttype:UNARY, codes:AMfrk} -]; - -function compareNames(s1,s2) { - if (s1.input > s2.input) return 1 - else return -1; -} - -var AMnames = []; //list of input symbols - -function initSymbols() { - var texsymbols = [], i; - for (i=0; i<AMsymbols.length; i++) - if (AMsymbols[i].tex) - texsymbols[texsymbols.length] = {input:AMsymbols[i].tex, - tag:AMsymbols[i].tag, output:AMsymbols[i].output, ttype:AMsymbols[i].ttype}; - AMsymbols = AMsymbols.concat(texsymbols); - refreshSymbols(); -} - -function refreshSymbols(){ - var i; - AMsymbols.sort(compareNames); - for (i=0; i<AMsymbols.length; i++) AMnames[i] = AMsymbols[i].input; - LMsymbols.sort(compareNames); - for (i=0; i<LMsymbols.length; i++) LMnames[i] = LMsymbols[i].input; -} - -function define(oldstr,newstr) { - if(oldstr.substr(0,1)=="\\") - LMsymbols = LMsymbols.concat([{input:oldstr, tag:"mo", output:newstr, - ttype:DEFINITION}]); - else - AMsymbols = AMsymbols.concat([{input:oldstr, tag:"mo", output:newstr, - tex:null, ttype:DEFINITION}]); - refreshSymbols(); // this may be a problem if many symbols are defined! -} - -function AMremoveCharsAndBlanks(str,n) { -//remove n characters and any following blanks - var st; - if (str.charAt(n)=="\\" && str.charAt(n+1)!="\\" && str.charAt(n+1)!=" ") - st = str.slice(n+1); - else st = str.slice(n); - for (var i=0; i<st.length && st.charCodeAt(i)<=32; i=i+1); - return st.slice(i); -} - -function position(arr, str, n) { -// return position >=n where str appears or would be inserted -// assumes arr is sorted - if (n==0) { - var h,m; - n = -1; - h = arr.length; - while (n+1<h) { - m = (n+h) >> 1; - if (arr[m]<str) n = m; else h = m; - } - return h; - } else - for (var i=n; i<arr.length && arr[i]<str; i++); - return i; // i=arr.length || arr[i]>=str -} - -function AMgetSymbol(str) { -//return maximal initial substring of str that appears in names -//return null if there is none - var k = 0; //new pos - var j = 0; //old pos - var mk; //match pos - var st; - var tagst; - var match = ""; - var more = true; - for (var i=1; i<=str.length && more; i++) { - st = str.slice(0,i); //initial substring of length i - j = k; - k = position(AMnames, st, j); - if (k<AMnames.length && str.slice(0,AMnames[k].length)==AMnames[k]){ - match = AMnames[k]; - mk = k; - i = match.length; - } - more = k<AMnames.length && str.slice(0,AMnames[k].length)>=AMnames[k]; - } - AMpreviousSymbol=AMcurrentSymbol; - if (match!=""){ - AMcurrentSymbol=AMsymbols[mk].ttype; - return AMsymbols[mk]; - } -// if str[0] is a digit or - return maxsubstring of digits.digits - AMcurrentSymbol=CONST; - k = 1; - st = str.slice(0,1); - var integ = true; - while ("0"<=st && st<="9" && k<=str.length) { - st = str.slice(k,k+1); - k++; - } - if (st == decimalsign) { - st = str.slice(k,k+1); - if ("0"<=st && st<="9") { - integ = false; - k++; - while ("0"<=st && st<="9" && k<=str.length) { - st = str.slice(k,k+1); - k++; - } - } - } - if ((integ && k>1) || k>2) { - st = str.slice(0,k-1); - tagst = "mn"; - } else { - k = 2; - st = str.slice(0,1); //take 1 character - tagst = (("A">st || st>"Z") && ("a">st || st>"z")?"mo":"mi"); - } - if (st=="-" && AMpreviousSymbol==INFIX) { - AMcurrentSymbol = INFIX; //trick "/" into recognizing "-" on second parse - return {input:st, tag:tagst, output:st, ttype:UNARY, func:true}; - } - return {input:st, tag:tagst, output:st, ttype:CONST}; -} - -function AMremoveBrackets(node) { - var st; - if (node.nodeName=="mrow") { - st = node.firstChild.firstChild.nodeValue; - if (st=="(" || st=="[" || st=="{") node.removeChild(node.firstChild); - } - if (node.nodeName=="mrow") { - st = node.lastChild.firstChild.nodeValue; - if (st==")" || st=="]" || st=="}") node.removeChild(node.lastChild); - } -} - -/* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ - -var AMnestingDepth,AMpreviousSymbol,AMcurrentSymbol; - -function AMparseSexpr(str) { //parses str and returns [node,tailstr] - var symbol, node, result, i, st,// rightvert = false, - newFrag = document.createDocumentFragment(); - str = AMremoveCharsAndBlanks(str,0); - symbol = AMgetSymbol(str); //either a token or a bracket or empty - if (symbol == null || symbol.ttype == RIGHTBRACKET && AMnestingDepth > 0) { - return [null,str]; - } - if (symbol.ttype == DEFINITION) { - str = symbol.output+AMremoveCharsAndBlanks(str,symbol.input.length); - symbol = AMgetSymbol(str); - } - switch (symbol.ttype) { case UNDEROVER: - case CONST: - str = AMremoveCharsAndBlanks(str,symbol.input.length); - return [createMmlNode(symbol.tag, //its a constant - document.createTextNode(symbol.output)),str]; - case LEFTBRACKET: //read (expr+) - AMnestingDepth++; - str = AMremoveCharsAndBlanks(str,symbol.input.length); - result = AMparseExpr(str,true); - AMnestingDepth--; - if (typeof symbol.invisible == "boolean" && symbol.invisible) - node = createMmlNode("mrow",result[0]); - else { - node = createMmlNode("mo",document.createTextNode(symbol.output)); - node = createMmlNode("mrow",node); - node.appendChild(result[0]); - } - return [node,result[1]]; - case TEXT: - if (symbol!=AMquote) str = AMremoveCharsAndBlanks(str,symbol.input.length); - if (str.charAt(0)=="{") i=str.indexOf("}"); - else if (str.charAt(0)=="(") i=str.indexOf(")"); - else if (str.charAt(0)=="[") i=str.indexOf("]"); - else if (symbol==AMquote) i=str.slice(1).indexOf("\"")+1; - else i = 0; - if (i==-1) i = str.length; - st = str.slice(1,i); - if (st.charAt(0) == " ") { - node = createMmlNode("mspace"); - node.setAttribute("width","1ex"); - newFrag.appendChild(node); - } - newFrag.appendChild( - createMmlNode(symbol.tag,document.createTextNode(st))); - if (st.charAt(st.length-1) == " ") { - node = createMmlNode("mspace"); - node.setAttribute("width","1ex"); - newFrag.appendChild(node); - } - str = AMremoveCharsAndBlanks(str,i+1); - return [createMmlNode("mrow",newFrag),str]; - case UNARY: - str = AMremoveCharsAndBlanks(str,symbol.input.length); - result = AMparseSexpr(str); - if (result[0]==null) return [createMmlNode(symbol.tag, - document.createTextNode(symbol.output)),str]; - if (typeof symbol.func == "boolean" && symbol.func) { // functions hack - st = str.charAt(0); - if (st=="^" || st=="_" || st=="/" || st=="|" || st==",") { - return [createMmlNode(symbol.tag, - document.createTextNode(symbol.output)),str]; - } else { - node = createMmlNode("mrow", - createMmlNode(symbol.tag,document.createTextNode(symbol.output))); - node.appendChild(result[0]); - return [node,result[1]]; - } - } - AMremoveBrackets(result[0]); - if (symbol.input == "sqrt") { // sqrt - return [createMmlNode(symbol.tag,result[0]),result[1]]; - } else if (typeof symbol.acc == "boolean" && symbol.acc) { // accent - node = createMmlNode(symbol.tag,result[0]); - node.appendChild(createMmlNode("mo",document.createTextNode(symbol.output))); - return [node,result[1]]; - } else { // font change command - if (!isIE && typeof symbol.codes != "undefined") { - for (i=0; i<result[0].childNodes.length; i++) - if (result[0].childNodes[i].nodeName=="mi" || result[0].nodeName=="mi") { - st = (result[0].nodeName=="mi"?result[0].firstChild.nodeValue: - result[0].childNodes[i].firstChild.nodeValue); - var newst = []; - for (var j=0; j<st.length; j++) - if (st.charCodeAt(j)>64 && st.charCodeAt(j)<91) newst = newst + - String.fromCharCode(symbol.codes[st.charCodeAt(j)-65]); - else newst = newst + st.charAt(j); - if (result[0].nodeName=="mi") - result[0]=createMmlNode("mo"). - appendChild(document.createTextNode(newst)); - else result[0].replaceChild(createMmlNode("mo"). - appendChild(document.createTextNode(newst)), - result[0].childNodes[i]); - } - } - node = createMmlNode(symbol.tag,result[0]); - node.setAttribute(symbol.atname,symbol.atval); - return [node,result[1]]; - } - case BINARY: - str = AMremoveCharsAndBlanks(str,symbol.input.length); - result = AMparseSexpr(str); - if (result[0]==null) return [createMmlNode("mo", - document.createTextNode(symbol.input)),str]; - AMremoveBrackets(result[0]); - var result2 = AMparseSexpr(result[1]); - if (result2[0]==null) return [createMmlNode("mo", - document.createTextNode(symbol.input)),str]; - AMremoveBrackets(result2[0]); - if (symbol.input=="root" || symbol.input=="stackrel") - newFrag.appendChild(result2[0]); - newFrag.appendChild(result[0]); - if (symbol.input=="frac") newFrag.appendChild(result2[0]); - return [createMmlNode(symbol.tag,newFrag),result2[1]]; - case INFIX: - str = AMremoveCharsAndBlanks(str,symbol.input.length); - return [createMmlNode("mo",document.createTextNode(symbol.output)),str]; - case SPACE: - str = AMremoveCharsAndBlanks(str,symbol.input.length); - node = createMmlNode("mspace"); - node.setAttribute("width","1ex"); - newFrag.appendChild(node); - newFrag.appendChild( - createMmlNode(symbol.tag,document.createTextNode(symbol.output))); - node = createMmlNode("mspace"); - node.setAttribute("width","1ex"); - newFrag.appendChild(node); - return [createMmlNode("mrow",newFrag),str]; - case LEFTRIGHT: -// if (rightvert) return [null,str]; else rightvert = true; - AMnestingDepth++; - str = AMremoveCharsAndBlanks(str,symbol.input.length); - result = AMparseExpr(str,false); - AMnestingDepth--; - var st = ""; - if (result[0].lastChild!=null) - st = result[0].lastChild.firstChild.nodeValue; - if (st == "|") { // its an absolute value subterm - node = createMmlNode("mo",document.createTextNode(symbol.output)); - node = createMmlNode("mrow",node); - node.appendChild(result[0]); - return [node,result[1]]; - } else { // the "|" is a \mid so use unicode 2223 (divides) for spacing - node = createMmlNode("mo",document.createTextNode("\u2223")); - node = createMmlNode("mrow",node); - return [node,str]; - } - default: -//alert("default"); - str = AMremoveCharsAndBlanks(str,symbol.input.length); - return [createMmlNode(symbol.tag, //its a constant - document.createTextNode(symbol.output)),str]; - } -} - -function AMparseIexpr(str) { - var symbol, sym1, sym2, node, result, underover; - str = AMremoveCharsAndBlanks(str,0); - sym1 = AMgetSymbol(str); - result = AMparseSexpr(str); - node = result[0]; - str = result[1]; - symbol = AMgetSymbol(str); - if (symbol.ttype == INFIX && symbol.input != "/") { - str = AMremoveCharsAndBlanks(str,symbol.input.length); -// if (symbol.input == "/") result = AMparseIexpr(str); else ... - result = AMparseSexpr(str); - if (result[0] == null) // show box in place of missing argument - result[0] = createMmlNode("mo",document.createTextNode("\u25A1")); - else AMremoveBrackets(result[0]); - str = result[1]; -// if (symbol.input == "/") AMremoveBrackets(node); - if (symbol.input == "_") { - sym2 = AMgetSymbol(str); - underover = (sym1.ttype == UNDEROVER); - if (sym2.input == "^") { - str = AMremoveCharsAndBlanks(str,sym2.input.length); - var res2 = AMparseSexpr(str); - AMremoveBrackets(res2[0]); - str = res2[1]; - node = createMmlNode((underover?"munderover":"msubsup"),node); - node.appendChild(result[0]); - node.appendChild(res2[0]); - node = createMmlNode("mrow",node); // so sum does not stretch - } else { - node = createMmlNode((underover?"munder":"msub"),node); - node.appendChild(result[0]); - } - } else { - node = createMmlNode(symbol.tag,node); - node.appendChild(result[0]); - } - } - return [node,str]; -} - -function AMparseExpr(str,rightbracket) { - var symbol, node, result, i, nodeList = [], - newFrag = document.createDocumentFragment(); - do { - str = AMremoveCharsAndBlanks(str,0); - result = AMparseIexpr(str); - node = result[0]; - str = result[1]; - symbol = AMgetSymbol(str); - if (symbol.ttype == INFIX && symbol.input == "/") { - str = AMremoveCharsAndBlanks(str,symbol.input.length); - result = AMparseIexpr(str); - if (result[0] == null) // show box in place of missing argument - result[0] = createMmlNode("mo",document.createTextNode("\u25A1")); - else AMremoveBrackets(result[0]); - str = result[1]; - AMremoveBrackets(node); - node = createMmlNode(symbol.tag,node); - node.appendChild(result[0]); - newFrag.appendChild(node); - symbol = AMgetSymbol(str); - } - else if (node!=undefined) newFrag.appendChild(node); - } while ((symbol.ttype != RIGHTBRACKET && - (symbol.ttype != LEFTRIGHT || rightbracket) - || AMnestingDepth == 0) && symbol!=null && symbol.output!=""); - if (symbol.ttype == RIGHTBRACKET || symbol.ttype == LEFTRIGHT) { -// if (AMnestingDepth > 0) AMnestingDepth--; - var len = newFrag.childNodes.length; - if (len>0 && newFrag.childNodes[len-1].nodeName == "mrow" && len>1 && - newFrag.childNodes[len-2].nodeName == "mo" && - newFrag.childNodes[len-2].firstChild.nodeValue == ",") { //matrix - var right = newFrag.childNodes[len-1].lastChild.firstChild.nodeValue; - if (right==")" || right=="]") { - var left = newFrag.childNodes[len-1].firstChild.firstChild.nodeValue; - if (left=="(" && right==")" && symbol.output != "}" || - left=="[" && right=="]") { - var pos = []; // positions of commas - var matrix = true; - var m = newFrag.childNodes.length; - for (i=0; matrix && i<m; i=i+2) { - pos[i] = []; - node = newFrag.childNodes[i]; - if (matrix) matrix = node.nodeName=="mrow" && - (i==m-1 || node.nextSibling.nodeName=="mo" && - node.nextSibling.firstChild.nodeValue==",")&& - node.firstChild.firstChild.nodeValue==left && - node.lastChild.firstChild.nodeValue==right; - if (matrix) - for (var j=0; j<node.childNodes.length; j++) - if (node.childNodes[j].firstChild.nodeValue==",") - pos[i][pos[i].length]=j; - if (matrix && i>1) matrix = pos[i].length == pos[i-2].length; - } - if (matrix) { - var row, frag, n, k, table = document.createDocumentFragment(); - for (i=0; i<m; i=i+2) { - row = document.createDocumentFragment(); - frag = document.createDocumentFragment(); - node = newFrag.firstChild; // <mrow>(-,-,...,-,-)</mrow> - n = node.childNodes.length; - k = 0; - node.removeChild(node.firstChild); //remove ( - for (j=1; j<n-1; j++) { - if (typeof pos[i][k] != "undefined" && j==pos[i][k]){ - node.removeChild(node.firstChild); //remove , - row.appendChild(createMmlNode("mtd",frag)); - k++; - } else frag.appendChild(node.firstChild); - } - row.appendChild(createMmlNode("mtd",frag)); - if (newFrag.childNodes.length>2) { - newFrag.removeChild(newFrag.firstChild); //remove <mrow>)</mrow> - newFrag.removeChild(newFrag.firstChild); //remove <mo>,</mo> - } - table.appendChild(createMmlNode("mtr",row)); - } - node = createMmlNode("mtable",table); - if (typeof symbol.invisible == "boolean" && symbol.invisible) node.setAttribute("columnalign","left"); - newFrag.replaceChild(node,newFrag.firstChild); - } - } - } - } - str = AMremoveCharsAndBlanks(str,symbol.input.length); - if (typeof symbol.invisible != "boolean" || !symbol.invisible) { - node = createMmlNode("mo",document.createTextNode(symbol.output)); - newFrag.appendChild(node); - } - } - return [newFrag,str]; -} - -function parseMath(str,latex) { - var frag, node; - AMnestingDepth = 0; - frag = latex ? LMparseExpr(str.replace(/^\s+/g,""),false,false)[0] : AMparseExpr(str.replace(/^\s+/g,""),false)[0]; - node = createMmlNode("mstyle",frag); - node.setAttribute("mathcolor",mathcolor); - node.setAttribute("fontfamily",mathfontfamily); - node.setAttribute("mathsize",mathfontsize); - if (displaystyle) node.setAttribute("displaystyle","true"); - node = createMmlNode("math",node); - if (showasciiformulaonhover) //fixed by djhsu so newline - node.setAttribute("title",str.replace(/\s+/g," "));//does not show in Gecko - return node; -} - -function strarr2docFrag(arr, linebreaks, latex) { - var newFrag=document.createDocumentFragment(); - var expr = false; - for (var i=0; i<arr.length; i++) { - if (expr) newFrag.appendChild(parseMath(arr[i],latex)); - else { - var arri = (linebreaks ? arr[i].split("\n\n") : [arr[i]]); - newFrag.appendChild(createElementXHTML("span"). - appendChild(document.createTextNode(arri[0]))); - for (var j=1; j<arri.length; j++) { - newFrag.appendChild(createElementXHTML("p")); - newFrag.appendChild(createElementXHTML("span"). - appendChild(document.createTextNode(arri[j]))); - } - } - expr = !expr; - } - return newFrag; -} - -function AMautomathrec(str) { -//formula is a space (or start of str) followed by a maximal sequence of *two* or more tokens, possibly separated by runs of digits and/or space. -//tokens are single letters (except a, A, I) and ASCIIMathML tokens - var texcommand = "\\\\[a-zA-Z]+|\\\\\\s|"; - var ambigAMtoken = "\\b(?:oo|lim|ln|int|oint|del|grad|aleph|prod|prop|sinh|cosh|tanh|cos|sec|pi|tt|fr|sf|sube|supe|sub|sup|det|mod|gcd|lcm|min|max|vec|ddot|ul|chi|eta|nu|mu)(?![a-z])|"; - var englishAMtoken = "\\b(?:sum|ox|log|sin|tan|dim|hat|bar|dot)(?![a-z])|"; - var secondenglishAMtoken = "|\\bI\\b|\\bin\\b|\\btext\\b"; // took if and or not out - var simpleAMtoken = "NN|ZZ|QQ|RR|CC|TT|AA|EE|sqrt|dx|dy|dz|dt|xx|vv|uu|nn|bb|cc|csc|cot|alpha|beta|delta|Delta|epsilon|gamma|Gamma|kappa|lambda|Lambda|omega|phi|Phi|Pi|psi|Psi|rho|sigma|Sigma|tau|theta|Theta|xi|Xi|zeta"; // uuu nnn? - var letter = "[a-zA-HJ-Z](?=(?:[^a-zA-Z]|$|"+ambigAMtoken+englishAMtoken+simpleAMtoken+"))|"; - var token = letter+texcommand+"\\d+|[-()[\\]{}+=*&^_%\\\@/<>,\\|!:;'~]|\\.(?!(?:\x20|$))|"+ambigAMtoken+englishAMtoken+simpleAMtoken; - var re = new RegExp("(^|\\s)((("+token+")\\s?)(("+token+secondenglishAMtoken+")\\s?)+)([,.?]?(?=\\s|$))","g"); - str = str.replace(re," `$2`$7"); - var arr = str.split(AMdelimiter1); - var re1 = new RegExp("(^|\\s)([b-zB-HJ-Z+*<>]|"+texcommand+ambigAMtoken+simpleAMtoken+")(\\s|\\n|$)","g"); - var re2 = new RegExp("(^|\\s)([a-z]|"+texcommand+ambigAMtoken+simpleAMtoken+")([,.])","g"); // removed |\d+ for now - for (i=0; i<arr.length; i++) //single nonenglish tokens - if (i%2==0) { - arr[i] = arr[i].replace(re1," `$2`$3"); - arr[i] = arr[i].replace(re2," `$2`$3"); - arr[i] = arr[i].replace(/([{}[\]])/,"`$1`"); - } - str = arr.join(AMdelimiter1); - str = str.replace(/((^|\s)\([a-zA-Z]{2,}.*?)\)`/g,"$1`)"); //fix parentheses - str = str.replace(/`(\((a\s|in\s))(.*?[a-zA-Z]{2,}\))/g,"$1`$3"); //fix parentheses - str = str.replace(/\sin`/g,"` in"); - str = str.replace(/`(\(\w\)[,.]?(\s|\n|$))/g,"$1`"); - str = str.replace(/`([0-9.]+|e.g|i.e)`(\.?)/gi,"$1$2"); - str = str.replace(/`([0-9.]+:)`/g,"$1"); - return str; -} - -function processNodeR(n, linebreaks,latex) { - var mtch, str, arr, frg, i; - if (n.childNodes.length == 0) { - if ((n.nodeType!=8 || linebreaks) && - n.parentNode.nodeName!="form" && n.parentNode.nodeName!="FORM" && - n.parentNode.nodeName!="textarea" && n.parentNode.nodeName!="TEXTAREA" /* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */) { - str = n.nodeValue; - if (!(str == null)) { - str = str.replace(/\r\n\r\n/g,"\n\n"); - str = str.replace(/\x20+/g," "); - str = str.replace(/\s*\r\n/g," "); - if(latex) { -// DELIMITERS: - mtch = (str.indexOf("\$")==-1 ? false : true); - str = str.replace(/([^\\])\$/g,"$1 \$"); - str = str.replace(/^\$/," \$"); // in case \$ at start of string - arr = str.split(" \$"); - for (i=0; i<arr.length; i++) - arr[i]=arr[i].replace(/\\\$/g,"\$"); - } else { - mtch = false; - str = str.replace(new RegExp(AMescape1, "g"), - function(){mtch = true; return "AMescape1"}); - str = str.replace(/\\?end{?a?math}?/i, - function(){automathrecognize = false; mtch = true; return ""}); - str = str.replace(/amath\b|\\begin{a?math}/i, - function(){automathrecognize = true; mtch = true; return ""}); - arr = str.split(AMdelimiter1); - if (automathrecognize) - for (i=0; i<arr.length; i++) - if (i%2==0) arr[i] = AMautomathrec(arr[i]); - str = arr.join(AMdelimiter1); - arr = str.split(AMdelimiter1); - for (i=0; i<arr.length; i++) // this is a problem ************ - arr[i]=arr[i].replace(/AMescape1/g,AMdelimiter1); - } - if (arr.length>1 || mtch) { - if (!noMathML) { - frg = strarr2docFrag(arr,n.nodeType==8,latex); - var len = frg.childNodes.length; - n.parentNode.replaceChild(frg,n); - return len-1; - } else return 0; - } - } - } else return 0; - } else if (n.nodeName!="math") { - for (i=0; i<n.childNodes.length; i++) - i += processNodeR(n.childNodes[i], linebreaks,latex); - } - return 0; -} - -function AMprocessNode(n, linebreaks, spanclassAM) { - var frag,st; - if (spanclassAM!=null) { - frag = document.getElementsByTagName("span") - for (var i=0;i<frag.length;i++) - if (frag[i].className == "AM") - processNodeR(frag[i],linebreaks,false); - } else { - try { - st = n.innerHTML; // look for AMdelimiter on page - } catch(err) {} -//alert(st) - if (st==null || /amath\b|\\begin{a?math}/i.test(st) || - st.indexOf(AMdelimiter1+" ")!=-1 || st.slice(-1)==AMdelimiter1 || - st.indexOf(AMdelimiter1+"<")!=-1 || st.indexOf(AMdelimiter1+"\n")!=-1) { - processNodeR(n,linebreaks,false); - } - } -/* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ -} - -/* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ - -// all further global variables start with "LM" - -// Commented out by DRW to prevent 1/2 turning into a 2-line fraction -// LMdiv = {input:"/", tag:"mfrac", output:"/", ttype:INFIX}, -// Commented out by DRW so that " prints literally in equations -// LMquote = {input:"\"", tag:"mtext", output:"mbox", ttype:TEXT}; - -var LMsymbols = [ -//Greek letters -{input:"\\alpha", tag:"mi", output:"\u03B1", ttype:CONST}, -{input:"\\beta", tag:"mi", output:"\u03B2", ttype:CONST}, -{input:"\\gamma", tag:"mi", output:"\u03B3", ttype:CONST}, -{input:"\\delta", tag:"mi", output:"\u03B4", ttype:CONST}, -{input:"\\epsilon", tag:"mi", output:"\u03B5", ttype:CONST}, -{input:"\\varepsilon", tag:"mi", output:"\u025B", ttype:CONST}, -{input:"\\zeta", tag:"mi", output:"\u03B6", ttype:CONST}, -{input:"\\eta", tag:"mi", output:"\u03B7", ttype:CONST}, -{input:"\\theta", tag:"mi", output:"\u03B8", ttype:CONST}, -{input:"\\vartheta", tag:"mi", output:"\u03D1", ttype:CONST}, -{input:"\\iota", tag:"mi", output:"\u03B9", ttype:CONST}, -{input:"\\kappa", tag:"mi", output:"\u03BA", ttype:CONST}, -{input:"\\lambda", tag:"mi", output:"\u03BB", ttype:CONST}, -{input:"\\mu", tag:"mi", output:"\u03BC", ttype:CONST}, -{input:"\\nu", tag:"mi", output:"\u03BD", ttype:CONST}, -{input:"\\xi", tag:"mi", output:"\u03BE", ttype:CONST}, -{input:"\\pi", tag:"mi", output:"\u03C0", ttype:CONST}, -{input:"\\varpi", tag:"mi", output:"\u03D6", ttype:CONST}, -{input:"\\rho", tag:"mi", output:"\u03C1", ttype:CONST}, -{input:"\\varrho", tag:"mi", output:"\u03F1", ttype:CONST}, -{input:"\\varsigma", tag:"mi", output:"\u03C2", ttype:CONST}, -{input:"\\sigma", tag:"mi", output:"\u03C3", ttype:CONST}, -{input:"\\tau", tag:"mi", output:"\u03C4", ttype:CONST}, -{input:"\\upsilon", tag:"mi", output:"\u03C5", ttype:CONST}, -{input:"\\phi", tag:"mi", output:"\u03C6", ttype:CONST}, -{input:"\\varphi", tag:"mi", output:"\u03D5", ttype:CONST}, -{input:"\\chi", tag:"mi", output:"\u03C7", ttype:CONST}, -{input:"\\psi", tag:"mi", output:"\u03C8", ttype:CONST}, -{input:"\\omega", tag:"mi", output:"\u03C9", ttype:CONST}, -{input:"\\Gamma", tag:"mo", output:"\u0393", ttype:CONST}, -{input:"\\Delta", tag:"mo", output:"\u0394", ttype:CONST}, -{input:"\\Theta", tag:"mo", output:"\u0398", ttype:CONST}, -{input:"\\Lambda", tag:"mo", output:"\u039B", ttype:CONST}, -{input:"\\Xi", tag:"mo", output:"\u039E", ttype:CONST}, -{input:"\\Pi", tag:"mo", output:"\u03A0", ttype:CONST}, -{input:"\\Sigma", tag:"mo", output:"\u03A3", ttype:CONST}, -{input:"\\Upsilon", tag:"mo", output:"\u03A5", ttype:CONST}, -{input:"\\Phi", tag:"mo", output:"\u03A6", ttype:CONST}, -{input:"\\Psi", tag:"mo", output:"\u03A8", ttype:CONST}, -{input:"\\Omega", tag:"mo", output:"\u03A9", ttype:CONST}, - -//fractions -{input:"\\frac12", tag:"mo", output:"\u00BD", ttype:CONST}, -{input:"\\frac14", tag:"mo", output:"\u00BC", ttype:CONST}, -{input:"\\frac34", tag:"mo", output:"\u00BE", ttype:CONST}, -{input:"\\frac13", tag:"mo", output:"\u2153", ttype:CONST}, -{input:"\\frac23", tag:"mo", output:"\u2154", ttype:CONST}, -{input:"\\frac15", tag:"mo", output:"\u2155", ttype:CONST}, -{input:"\\frac25", tag:"mo", output:"\u2156", ttype:CONST}, -{input:"\\frac35", tag:"mo", output:"\u2157", ttype:CONST}, -{input:"\\frac45", tag:"mo", output:"\u2158", ttype:CONST}, -{input:"\\frac16", tag:"mo", output:"\u2159", ttype:CONST}, -{input:"\\frac56", tag:"mo", output:"\u215A", ttype:CONST}, -{input:"\\frac18", tag:"mo", output:"\u215B", ttype:CONST}, -{input:"\\frac38", tag:"mo", output:"\u215C", ttype:CONST}, -{input:"\\frac58", tag:"mo", output:"\u215D", ttype:CONST}, -{input:"\\frac78", tag:"mo", output:"\u215E", ttype:CONST}, - -//binary operation symbols -{input:"\\pm", tag:"mo", output:"\u00B1", ttype:CONST}, -{input:"\\mp", tag:"mo", output:"\u2213", ttype:CONST}, -{input:"\\triangleleft",tag:"mo", output:"\u22B2", ttype:CONST}, -{input:"\\triangleright",tag:"mo",output:"\u22B3", ttype:CONST}, -{input:"\\cdot", tag:"mo", output:"\u22C5", ttype:CONST}, -{input:"\\star", tag:"mo", output:"\u22C6", ttype:CONST}, -{input:"\\ast", tag:"mo", output:"\u002A", ttype:CONST}, -{input:"\\times", tag:"mo", output:"\u00D7", ttype:CONST}, -{input:"\\div", tag:"mo", output:"\u00F7", ttype:CONST}, -{input:"\\circ", tag:"mo", output:"\u2218", ttype:CONST}, -//{input:"\\bullet", tag:"mo", output:"\u2219", ttype:CONST}, -{input:"\\bullet", tag:"mo", output:"\u2022", ttype:CONST}, -{input:"\\oplus", tag:"mo", output:"\u2295", ttype:CONST}, -{input:"\\ominus", tag:"mo", output:"\u2296", ttype:CONST}, -{input:"\\otimes", tag:"mo", output:"\u2297", ttype:CONST}, -{input:"\\bigcirc", tag:"mo", output:"\u25CB", ttype:CONST}, -{input:"\\oslash", tag:"mo", output:"\u2298", ttype:CONST}, -{input:"\\odot", tag:"mo", output:"\u2299", ttype:CONST}, -{input:"\\land", tag:"mo", output:"\u2227", ttype:CONST}, -{input:"\\wedge", tag:"mo", output:"\u2227", ttype:CONST}, -{input:"\\lor", tag:"mo", output:"\u2228", ttype:CONST}, -{input:"\\vee", tag:"mo", output:"\u2228", ttype:CONST}, -{input:"\\cap", tag:"mo", output:"\u2229", ttype:CONST}, -{input:"\\cup", tag:"mo", output:"\u222A", ttype:CONST}, -{input:"\\sqcap", tag:"mo", output:"\u2293", ttype:CONST}, -{input:"\\sqcup", tag:"mo", output:"\u2294", ttype:CONST}, -{input:"\\uplus", tag:"mo", output:"\u228E", ttype:CONST}, -{input:"\\amalg", tag:"mo", output:"\u2210", ttype:CONST}, -{input:"\\bigtriangleup",tag:"mo",output:"\u25B3", ttype:CONST}, -{input:"\\bigtriangledown",tag:"mo",output:"\u25BD", ttype:CONST}, -{input:"\\dag", tag:"mo", output:"\u2020", ttype:CONST}, -{input:"\\dagger", tag:"mo", output:"\u2020", ttype:CONST}, -{input:"\\ddag", tag:"mo", output:"\u2021", ttype:CONST}, -{input:"\\ddagger", tag:"mo", output:"\u2021", ttype:CONST}, -{input:"\\lhd", tag:"mo", output:"\u22B2", ttype:CONST}, -{input:"\\rhd", tag:"mo", output:"\u22B3", ttype:CONST}, -{input:"\\unlhd", tag:"mo", output:"\u22B4", ttype:CONST}, -{input:"\\unrhd", tag:"mo", output:"\u22B5", ttype:CONST}, - - -//BIG Operators -{input:"\\sum", tag:"mo", output:"\u2211", ttype:UNDEROVER}, -{input:"\\prod", tag:"mo", output:"\u220F", ttype:UNDEROVER}, -{input:"\\bigcap", tag:"mo", output:"\u22C2", ttype:UNDEROVER}, -{input:"\\bigcup", tag:"mo", output:"\u22C3", ttype:UNDEROVER}, -{input:"\\bigwedge", tag:"mo", output:"\u22C0", ttype:UNDEROVER}, -{input:"\\bigvee", tag:"mo", output:"\u22C1", ttype:UNDEROVER}, -{input:"\\bigsqcap", tag:"mo", output:"\u2A05", ttype:UNDEROVER}, -{input:"\\bigsqcup", tag:"mo", output:"\u2A06", ttype:UNDEROVER}, -{input:"\\coprod", tag:"mo", output:"\u2210", ttype:UNDEROVER}, -{input:"\\bigoplus", tag:"mo", output:"\u2A01", ttype:UNDEROVER}, -{input:"\\bigotimes", tag:"mo", output:"\u2A02", ttype:UNDEROVER}, -{input:"\\bigodot", tag:"mo", output:"\u2A00", ttype:UNDEROVER}, -{input:"\\biguplus", tag:"mo", output:"\u2A04", ttype:UNDEROVER}, -{input:"\\int", tag:"mo", output:"\u222B", ttype:CONST}, -{input:"\\oint", tag:"mo", output:"\u222E", ttype:CONST}, - -//binary relation symbols -{input:":=", tag:"mo", output:":=", ttype:CONST}, -{input:"\\lt", tag:"mo", output:"<", ttype:CONST}, -{input:"\\gt", tag:"mo", output:">", ttype:CONST}, -{input:"\\ne", tag:"mo", output:"\u2260", ttype:CONST}, -{input:"\\neq", tag:"mo", output:"\u2260", ttype:CONST}, -{input:"\\le", tag:"mo", output:"\u2264", ttype:CONST}, -{input:"\\leq", tag:"mo", output:"\u2264", ttype:CONST}, -{input:"\\leqslant", tag:"mo", output:"\u2264", ttype:CONST}, -{input:"\\ge", tag:"mo", output:"\u2265", ttype:CONST}, -{input:"\\geq", tag:"mo", output:"\u2265", ttype:CONST}, -{input:"\\geqslant", tag:"mo", output:"\u2265", ttype:CONST}, -{input:"\\equiv", tag:"mo", output:"\u2261", ttype:CONST}, -{input:"\\ll", tag:"mo", output:"\u226A", ttype:CONST}, -{input:"\\gg", tag:"mo", output:"\u226B", ttype:CONST}, -{input:"\\doteq", tag:"mo", output:"\u2250", ttype:CONST}, -{input:"\\prec", tag:"mo", output:"\u227A", ttype:CONST}, -{input:"\\succ", tag:"mo", output:"\u227B", ttype:CONST}, -{input:"\\preceq", tag:"mo", output:"\u227C", ttype:CONST}, -{input:"\\succeq", tag:"mo", output:"\u227D", ttype:CONST}, -{input:"\\subset", tag:"mo", output:"\u2282", ttype:CONST}, -{input:"\\supset", tag:"mo", output:"\u2283", ttype:CONST}, -{input:"\\subseteq", tag:"mo", output:"\u2286", ttype:CONST}, -{input:"\\supseteq", tag:"mo", output:"\u2287", ttype:CONST}, -{input:"\\sqsubset", tag:"mo", output:"\u228F", ttype:CONST}, -{input:"\\sqsupset", tag:"mo", output:"\u2290", ttype:CONST}, -{input:"\\sqsubseteq", tag:"mo", output:"\u2291", ttype:CONST}, -{input:"\\sqsupseteq", tag:"mo", output:"\u2292", ttype:CONST}, -{input:"\\sim", tag:"mo", output:"\u223C", ttype:CONST}, -{input:"\\simeq", tag:"mo", output:"\u2243", ttype:CONST}, -{input:"\\approx", tag:"mo", output:"\u2248", ttype:CONST}, -{input:"\\cong", tag:"mo", output:"\u2245", ttype:CONST}, -{input:"\\Join", tag:"mo", output:"\u22C8", ttype:CONST}, -{input:"\\bowtie", tag:"mo", output:"\u22C8", ttype:CONST}, -{input:"\\in", tag:"mo", output:"\u2208", ttype:CONST}, -{input:"\\ni", tag:"mo", output:"\u220B", ttype:CONST}, -{input:"\\owns", tag:"mo", output:"\u220B", ttype:CONST}, -{input:"\\propto", tag:"mo", output:"\u221D", ttype:CONST}, -{input:"\\vdash", tag:"mo", output:"\u22A2", ttype:CONST}, -{input:"\\dashv", tag:"mo", output:"\u22A3", ttype:CONST}, -{input:"\\models", tag:"mo", output:"\u22A8", ttype:CONST}, -{input:"\\perp", tag:"mo", output:"\u22A5", ttype:CONST}, -{input:"\\smile", tag:"mo", output:"\u2323", ttype:CONST}, -{input:"\\frown", tag:"mo", output:"\u2322", ttype:CONST}, -{input:"\\asymp", tag:"mo", output:"\u224D", ttype:CONST}, -{input:"\\notin", tag:"mo", output:"\u2209", ttype:CONST}, - -//matrices -{input:"\\begin{eqnarray}", output:"X", ttype:MATRIX, invisible:true}, -{input:"\\begin{array}", output:"X", ttype:MATRIX, invisible:true}, -{input:"\\\\", output:"}&{", ttype:DEFINITION}, -{input:"\\end{eqnarray}", output:"}}", ttype:DEFINITION}, -{input:"\\end{array}", output:"}}", ttype:DEFINITION}, - -//grouping and literal brackets -- ieval is for IE -{input:"\\big", tag:"mo", output:"X", atval:"1.2", ieval:"2.2", ttype:BIG}, -{input:"\\Big", tag:"mo", output:"X", atval:"1.6", ieval:"2.6", ttype:BIG}, -{input:"\\bigg", tag:"mo", output:"X", atval:"2.2", ieval:"3.2", ttype:BIG}, -{input:"\\Bigg", tag:"mo", output:"X", atval:"2.9", ieval:"3.9", ttype:BIG}, -{input:"\\left", tag:"mo", output:"X", ttype:LEFTBRACKET}, -{input:"\\right", tag:"mo", output:"X", ttype:RIGHTBRACKET}, -{input:"{", output:"{", ttype:LEFTBRACKET, invisible:true}, -{input:"}", output:"}", ttype:RIGHTBRACKET, invisible:true}, - -{input:"(", tag:"mo", output:"(", atval:"1", ttype:STRETCHY}, -{input:"[", tag:"mo", output:"[", atval:"1", ttype:STRETCHY}, -{input:"\\lbrack", tag:"mo", output:"[", atval:"1", ttype:STRETCHY}, -{input:"\\{", tag:"mo", output:"{", atval:"1", ttype:STRETCHY}, -{input:"\\lbrace", tag:"mo", output:"{", atval:"1", ttype:STRETCHY}, -{input:"\\langle", tag:"mo", output:"\u2329", atval:"1", ttype:STRETCHY}, -{input:"\\lfloor", tag:"mo", output:"\u230A", atval:"1", ttype:STRETCHY}, -{input:"\\lceil", tag:"mo", output:"\u2308", atval:"1", ttype:STRETCHY}, - -// rtag:"mi" causes space to be inserted before a following sin, cos, etc. -// (see function LMparseExpr() ) -{input:")", tag:"mo",output:")", rtag:"mi",atval:"1",ttype:STRETCHY}, -{input:"]", tag:"mo",output:"]", rtag:"mi",atval:"1",ttype:STRETCHY}, -{input:"\\rbrack",tag:"mo",output:"]", rtag:"mi",atval:"1",ttype:STRETCHY}, -{input:"\\}", tag:"mo",output:"}", rtag:"mi",atval:"1",ttype:STRETCHY}, -{input:"\\rbrace",tag:"mo",output:"}", rtag:"mi",atval:"1",ttype:STRETCHY}, -{input:"\\rangle",tag:"mo",output:"\u232A", rtag:"mi",atval:"1",ttype:STRETCHY}, -{input:"\\rfloor",tag:"mo",output:"\u230B", rtag:"mi",atval:"1",ttype:STRETCHY}, -{input:"\\rceil", tag:"mo",output:"\u2309", rtag:"mi",atval:"1",ttype:STRETCHY}, - -// "|", "\\|", "\\vert" and "\\Vert" modified later: lspace = rspace = 0em -{input:"|", tag:"mo", output:"\u2223", atval:"1", ttype:STRETCHY}, -{input:"\\|", tag:"mo", output:"\u2225", atval:"1", ttype:STRETCHY}, -{input:"\\vert", tag:"mo", output:"\u2223", atval:"1", ttype:STRETCHY}, -{input:"\\Vert", tag:"mo", output:"\u2225", atval:"1", ttype:STRETCHY}, -{input:"\\mid", tag:"mo", output:"\u2223", atval:"1", ttype:STRETCHY}, -{input:"\\parallel", tag:"mo", output:"\u2225", atval:"1", ttype:STRETCHY}, -{input:"/", tag:"mo", output:"/", atval:"1.01", ttype:STRETCHY}, -{input:"\\backslash", tag:"mo", output:"\u2216", atval:"1", ttype:STRETCHY}, -{input:"\\setminus", tag:"mo", output:"\\", ttype:CONST}, - -//miscellaneous symbols -{input:"\\!", tag:"mspace", atname:"width", atval:"-0.167em", ttype:SPACE}, -{input:"\\,", tag:"mspace", atname:"width", atval:"0.167em", ttype:SPACE}, -{input:"\\>", tag:"mspace", atname:"width", atval:"0.222em", ttype:SPACE}, -{input:"\\:", tag:"mspace", atname:"width", atval:"0.222em", ttype:SPACE}, -{input:"\\;", tag:"mspace", atname:"width", atval:"0.278em", ttype:SPACE}, -{input:"~", tag:"mspace", atname:"width", atval:"0.333em", ttype:SPACE}, -{input:"\\quad", tag:"mspace", atname:"width", atval:"1em", ttype:SPACE}, -{input:"\\qquad", tag:"mspace", atname:"width", atval:"2em", ttype:SPACE}, -//{input:"{}", tag:"mo", output:"\u200B", ttype:CONST}, // zero-width -{input:"\\prime", tag:"mo", output:"\u2032", ttype:CONST}, -{input:"'", tag:"mo", output:"\u02B9", ttype:CONST}, -{input:"''", tag:"mo", output:"\u02BA", ttype:CONST}, -{input:"'''", tag:"mo", output:"\u2034", ttype:CONST}, -{input:"''''", tag:"mo", output:"\u2057", ttype:CONST}, -{input:"\\ldots", tag:"mo", output:"\u2026", ttype:CONST}, -{input:"\\cdots", tag:"mo", output:"\u22EF", ttype:CONST}, -{input:"\\vdots", tag:"mo", output:"\u22EE", ttype:CONST}, -{input:"\\ddots", tag:"mo", output:"\u22F1", ttype:CONST}, -{input:"\\forall", tag:"mo", output:"\u2200", ttype:CONST}, -{input:"\\exists", tag:"mo", output:"\u2203", ttype:CONST}, -{input:"\\Re", tag:"mo", output:"\u211C", ttype:CONST}, -{input:"\\Im", tag:"mo", output:"\u2111", ttype:CONST}, -{input:"\\aleph", tag:"mo", output:"\u2135", ttype:CONST}, -{input:"\\hbar", tag:"mo", output:"\u210F", ttype:CONST}, -{input:"\\ell", tag:"mo", output:"\u2113", ttype:CONST}, -{input:"\\wp", tag:"mo", output:"\u2118", ttype:CONST}, -{input:"\\emptyset", tag:"mo", output:"\u2205", ttype:CONST}, -{input:"\\infty", tag:"mo", output:"\u221E", ttype:CONST}, -{input:"\\surd", tag:"mo", output:"\\sqrt{}", ttype:DEFINITION}, -{input:"\\partial", tag:"mo", output:"\u2202", ttype:CONST}, -{input:"\\nabla", tag:"mo", output:"\u2207", ttype:CONST}, -{input:"\\triangle", tag:"mo", output:"\u25B3", ttype:CONST}, -{input:"\\therefore", tag:"mo", output:"\u2234", ttype:CONST}, -{input:"\\angle", tag:"mo", output:"\u2220", ttype:CONST}, -//{input:"\\\\ ", tag:"mo", output:"\u00A0", ttype:CONST}, -{input:"\\diamond", tag:"mo", output:"\u22C4", ttype:CONST}, -//{input:"\\Diamond", tag:"mo", output:"\u25CA", ttype:CONST}, -{input:"\\Diamond", tag:"mo", output:"\u25C7", ttype:CONST}, -{input:"\\neg", tag:"mo", output:"\u00AC", ttype:CONST}, -{input:"\\lnot", tag:"mo", output:"\u00AC", ttype:CONST}, -{input:"\\bot", tag:"mo", output:"\u22A5", ttype:CONST}, -{input:"\\top", tag:"mo", output:"\u22A4", ttype:CONST}, -{input:"\\square", tag:"mo", output:"\u25AB", ttype:CONST}, -{input:"\\Box", tag:"mo", output:"\u25A1", ttype:CONST}, -{input:"\\wr", tag:"mo", output:"\u2240", ttype:CONST}, - -//standard functions -//Note UNDEROVER *must* have tag:"mo" to work properly -{input:"\\arccos", tag:"mi", output:"arccos", ttype:UNARY, func:true}, -{input:"\\arcsin", tag:"mi", output:"arcsin", ttype:UNARY, func:true}, -{input:"\\arctan", tag:"mi", output:"arctan", ttype:UNARY, func:true}, -{input:"\\arg", tag:"mi", output:"arg", ttype:UNARY, func:true}, -{input:"\\cos", tag:"mi", output:"cos", ttype:UNARY, func:true}, -{input:"\\cosh", tag:"mi", output:"cosh", ttype:UNARY, func:true}, -{input:"\\cot", tag:"mi", output:"cot", ttype:UNARY, func:true}, -{input:"\\coth", tag:"mi", output:"coth", ttype:UNARY, func:true}, -{input:"\\csc", tag:"mi", output:"csc", ttype:UNARY, func:true}, -{input:"\\deg", tag:"mi", output:"deg", ttype:UNARY, func:true}, -{input:"\\det", tag:"mi", output:"det", ttype:UNARY, func:true}, -{input:"\\dim", tag:"mi", output:"dim", ttype:UNARY, func:true}, //CONST? -{input:"\\exp", tag:"mi", output:"exp", ttype:UNARY, func:true}, -{input:"\\gcd", tag:"mi", output:"gcd", ttype:UNARY, func:true}, //CONST? -{input:"\\hom", tag:"mi", output:"hom", ttype:UNARY, func:true}, -{input:"\\inf", tag:"mo", output:"inf", ttype:UNDEROVER}, -{input:"\\ker", tag:"mi", output:"ker", ttype:UNARY, func:true}, -{input:"\\lg", tag:"mi", output:"lg", ttype:UNARY, func:true}, -{input:"\\lim", tag:"mo", output:"lim", ttype:UNDEROVER}, -{input:"\\liminf", tag:"mo", output:"liminf", ttype:UNDEROVER}, -{input:"\\limsup", tag:"mo", output:"limsup", ttype:UNDEROVER}, -{input:"\\ln", tag:"mi", output:"ln", ttype:UNARY, func:true}, -{input:"\\log", tag:"mi", output:"log", ttype:UNARY, func:true}, -{input:"\\max", tag:"mo", output:"max", ttype:UNDEROVER}, -{input:"\\min", tag:"mo", output:"min", ttype:UNDEROVER}, -{input:"\\Pr", tag:"mi", output:"Pr", ttype:UNARY, func:true}, -{input:"\\sec", tag:"mi", output:"sec", ttype:UNARY, func:true}, -{input:"\\sin", tag:"mi", output:"sin", ttype:UNARY, func:true}, -{input:"\\sinh", tag:"mi", output:"sinh", ttype:UNARY, func:true}, -{input:"\\sup", tag:"mo", output:"sup", ttype:UNDEROVER}, -{input:"\\tan", tag:"mi", output:"tan", ttype:UNARY, func:true}, -{input:"\\tanh", tag:"mi", output:"tanh", ttype:UNARY, func:true}, - -//arrows -{input:"\\gets", tag:"mo", output:"\u2190", ttype:CONST}, -{input:"\\leftarrow", tag:"mo", output:"\u2190", ttype:CONST}, -{input:"\\to", tag:"mo", output:"\u2192", ttype:CONST}, -{input:"\\rightarrow", tag:"mo", output:"\u2192", ttype:CONST}, -{input:"\\leftrightarrow", tag:"mo", output:"\u2194", ttype:CONST}, -{input:"\\uparrow", tag:"mo", output:"\u2191", ttype:CONST}, -{input:"\\downarrow", tag:"mo", output:"\u2193", ttype:CONST}, -{input:"\\updownarrow", tag:"mo", output:"\u2195", ttype:CONST}, -{input:"\\Leftarrow", tag:"mo", output:"\u21D0", ttype:CONST}, -{input:"\\Rightarrow", tag:"mo", output:"\u21D2", ttype:CONST}, -{input:"\\Leftrightarrow", tag:"mo", output:"\u21D4", ttype:CONST}, -{input:"\\iff", tag:"mo", output:"~\\Longleftrightarrow~", ttype:DEFINITION}, -{input:"\\Uparrow", tag:"mo", output:"\u21D1", ttype:CONST}, -{input:"\\Downarrow", tag:"mo", output:"\u21D3", ttype:CONST}, -{input:"\\Updownarrow", tag:"mo", output:"\u21D5", ttype:CONST}, -{input:"\\mapsto", tag:"mo", output:"\u21A6", ttype:CONST}, -{input:"\\longleftarrow", tag:"mo", output:"\u2190", ttype:LONG}, -{input:"\\longrightarrow", tag:"mo", output:"\u2192", ttype:LONG}, -{input:"\\longleftrightarrow", tag:"mo", output:"\u2194", ttype:LONG}, -{input:"\\Longleftarrow", tag:"mo", output:"\u21D0", ttype:LONG}, -{input:"\\Longrightarrow", tag:"mo", output:"\u21D2", ttype:LONG}, -{input:"\\implies", tag:"mo", output:"\u21D2", ttype:LONG}, -{input:"\\Longleftrightarrow", tag:"mo", output:"\u21D4", ttype:LONG}, -{input:"\\longmapsto", tag:"mo", output:"\u21A6", ttype:CONST}, - // disaster if LONG - -//commands with argument - -{input:"\\sqrt", tag:"msqrt", output:"sqrt", ttype:UNARY}, -{input:"\\root", tag:"mroot", output:"root", ttype:BINARY}, -{input:"\\frac", tag:"mfrac", output:"/", ttype:BINARY}, -{input:"\\stackrel", tag:"mover", output:"stackrel", ttype:BINARY}, -{input:"\\atop", tag:"mfrac", output:"", ttype:INFIX}, -{input:"\\choose", tag:"mfrac", output:"", ttype:INFIX}, -{input:"_", tag:"msub", output:"_", ttype:INFIX}, -{input:"^", tag:"msup", output:"^", ttype:INFIX}, -{input:"\\mathrm", tag:"mtext", output:"text", ttype:TEXT}, -{input:"\\mbox", tag:"mtext", output:"mbox", ttype:TEXT}, - -//diacritical marks -{input:"\\acute", tag:"mover", output:"\u00B4", ttype:UNARY, acc:true}, -//{input:"\\acute", tag:"mover", output:"\u0317", ttype:UNARY, acc:true}, -//{input:"\\acute", tag:"mover", output:"\u0301", ttype:UNARY, acc:true}, -//{input:"\\grave", tag:"mover", output:"\u0300", ttype:UNARY, acc:true}, -//{input:"\\grave", tag:"mover", output:"\u0316", ttype:UNARY, acc:true}, -{input:"\\grave", tag:"mover", output:"\u0060", ttype:UNARY, acc:true}, -{input:"\\breve", tag:"mover", output:"\u02D8", ttype:UNARY, acc:true}, -{input:"\\check", tag:"mover", output:"\u02C7", ttype:UNARY, acc:true}, -{input:"\\dot", tag:"mover", output:".", ttype:UNARY, acc:true}, -{input:"\\ddot", tag:"mover", output:"..", ttype:UNARY, acc:true}, -//{input:"\\ddot", tag:"mover", output:"\u00A8", ttype:UNARY, acc:true}, -{input:"\\mathring", tag:"mover", output:"\u00B0", ttype:UNARY, acc:true}, -{input:"\\vec", tag:"mover", output:"\u20D7", ttype:UNARY, acc:true}, -{input:"\\overrightarrow",tag:"mover",output:"\u20D7", ttype:UNARY, acc:true}, -{input:"\\overleftarrow",tag:"mover", output:"\u20D6", ttype:UNARY, acc:true}, -{input:"\\hat", tag:"mover", output:"\u005E", ttype:UNARY, acc:true}, -{input:"\\widehat", tag:"mover", output:"\u0302", ttype:UNARY, acc:true}, -{input:"\\tilde", tag:"mover", output:"~", ttype:UNARY, acc:true}, -//{input:"\\tilde", tag:"mover", output:"\u0303", ttype:UNARY, acc:true}, -{input:"\\widetilde", tag:"mover", output:"\u02DC", ttype:UNARY, acc:true}, -{input:"\\bar", tag:"mover", output:"\u203E", ttype:UNARY, acc:true}, -{input:"\\overbrace", tag:"mover", output:"\u23B4", ttype:UNARY, acc:true}, -{input:"\\overline", tag:"mover", output:"\u00AF", ttype:UNARY, acc:true}, -{input:"\\underbrace", tag:"munder", output:"\u23B5", ttype:UNARY, acc:true}, -{input:"\\underline", tag:"munder", output:"\u00AF", ttype:UNARY, acc:true}, -//{input:"underline", tag:"munder", output:"\u0332", ttype:UNARY, acc:true}, - -//typestyles and fonts -{input:"\\displaystyle",tag:"mstyle",atname:"displaystyle",atval:"true", ttype:UNARY}, -{input:"\\textstyle",tag:"mstyle",atname:"displaystyle",atval:"false", ttype:UNARY}, -{input:"\\scriptstyle",tag:"mstyle",atname:"scriptlevel",atval:"1", ttype:UNARY}, -{input:"\\scriptscriptstyle",tag:"mstyle",atname:"scriptlevel",atval:"2", ttype:UNARY}, -{input:"\\textrm", tag:"mstyle", output:"\\mathrm", ttype: DEFINITION}, -{input:"\\mathbf", tag:"mstyle", atname:"mathvariant", atval:"bold", ttype:UNARY}, -{input:"\\textbf", tag:"mstyle", atname:"mathvariant", atval:"bold", ttype:UNARY}, -{input:"\\mathit", tag:"mstyle", atname:"mathvariant", atval:"italic", ttype:UNARY}, -{input:"\\textit", tag:"mstyle", atname:"mathvariant", atval:"italic", ttype:UNARY}, -{input:"\\mathtt", tag:"mstyle", atname:"mathvariant", atval:"monospace", ttype:UNARY}, -{input:"\\texttt", tag:"mstyle", atname:"mathvariant", atval:"monospace", ttype:UNARY}, -{input:"\\mathsf", tag:"mstyle", atname:"mathvariant", atval:"sans-serif", ttype:UNARY}, -{input:"\\mathbb", tag:"mstyle", atname:"mathvariant", atval:"double-struck", ttype:UNARY, codes:AMbbb}, -{input:"\\mathcal",tag:"mstyle", atname:"mathvariant", atval:"script", ttype:UNARY, codes:AMcal}, -{input:"\\mathfrak",tag:"mstyle",atname:"mathvariant", atval:"fraktur",ttype:UNARY, codes:AMfrk} -]; - -var LMnames = []; //list of input symbols - -function LMremoveCharsAndBlanks(str,n) { -//remove n characters and any following blanks - var st; - st = str.slice(n); - for (var i=0; i<st.length && st.charCodeAt(i)<=32; i=i+1); - return st.slice(i); -} - -function LMgetSymbol(str) { -//return maximal initial substring of str that appears in names -//return null if there is none - var k = 0; //new pos - var j = 0; //old pos - var mk; //match pos - var st; - var tagst; - var match = ""; - var more = true; - for (var i=1; i<=str.length && more; i++) { - st = str.slice(0,i); //initial substring of length i - j = k; - k = position(LMnames, st, j); - if (k<LMnames.length && str.slice(0,LMnames[k].length)==LMnames[k]){ - match = LMnames[k]; - mk = k; - i = match.length; - } - more = k<LMnames.length && str.slice(0,LMnames[k].length)>=LMnames[k]; - } - LMpreviousSymbol=LMcurrentSymbol; - if (match!=""){ - LMcurrentSymbol=LMsymbols[mk].ttype; - return LMsymbols[mk]; - } - LMcurrentSymbol=CONST; - k = 1; - st = str.slice(0,1); //take 1 character - if ("0"<=st && st<="9") tagst = "mn"; - else tagst = (("A">st || st>"Z") && ("a">st || st>"z")?"mo":"mi"); -/* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ - return {input:st, tag:tagst, output:st, ttype:CONST}; -} - - -/* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ - -var LMpreviousSymbol,LMcurrentSymbol; - -function LMparseSexpr(str) { //parses str and returns [node,tailstr,(node)tag] - var symbol, node, result, result2, i, st,// rightvert = false, - newFrag = document.createDocumentFragment(); - str = LMremoveCharsAndBlanks(str,0); - symbol = LMgetSymbol(str); //either a token or a bracket or empty - if (symbol == null || symbol.ttype == RIGHTBRACKET) - return [null,str,null]; - if (symbol.ttype == DEFINITION) { - str = symbol.output+LMremoveCharsAndBlanks(str,symbol.input.length); - symbol = LMgetSymbol(str); - if (symbol == null || symbol.ttype == RIGHTBRACKET) - return [null,str,null]; - } - str = LMremoveCharsAndBlanks(str,symbol.input.length); - switch (symbol.ttype) { - case SPACE: - node = createMmlNode(symbol.tag); - node.setAttribute(symbol.atname,symbol.atval); - return [node,str,symbol.tag]; - case UNDEROVER: - if (isIE) { - if (symbol.input.substr(0,4) == "\\big") { // botch for missing symbols - str = "\\"+symbol.input.substr(4)+str; // make \bigcup = \cup etc. - symbol = LMgetSymbol(str); - symbol.ttype = UNDEROVER; - str = LMremoveCharsAndBlanks(str,symbol.input.length); - } - } - return [createMmlNode(symbol.tag, - document.createTextNode(symbol.output)),str,symbol.tag]; - case CONST: - var output = symbol.output; - if (isIE) { - if (symbol.input == "'") - output = "\u2032"; - else if (symbol.input == "''") - output = "\u2033"; - else if (symbol.input == "'''") - output = "\u2033\u2032"; - else if (symbol.input == "''''") - output = "\u2033\u2033"; - else if (symbol.input == "\\square") - output = "\u25A1"; // same as \Box - else if (symbol.input.substr(0,5) == "\\frac") { - // botch for missing fractions - var denom = symbol.input.substr(6,1); - if (denom == "5" || denom == "6") { - str = symbol.input.replace(/\\frac/,"\\frac ")+str; - return [node,str,symbol.tag]; - } - } - } - node = createMmlNode(symbol.tag,document.createTextNode(output)); - return [node,str,symbol.tag]; - case LONG: // added by DRW - node = createMmlNode(symbol.tag,document.createTextNode(symbol.output)); - node.setAttribute("minsize","1.5"); - node.setAttribute("maxsize","1.5"); - node = createMmlNode("mover",node); - node.appendChild(createMmlNode("mspace")); - return [node,str,symbol.tag]; - case STRETCHY: // added by DRW - if (isIE && symbol.input == "\\backslash") - symbol.output = "\\"; // doesn't expand, but then nor does "\u2216" - node = createMmlNode(symbol.tag,document.createTextNode(symbol.output)); - if (symbol.input == "|" || symbol.input == "\\vert" || - symbol.input == "\\|" || symbol.input == "\\Vert") { - node.setAttribute("lspace","0em"); - node.setAttribute("rspace","0em"); - } - node.setAttribute("maxsize",symbol.atval); // don't allow to stretch here - if (symbol.rtag != null) - return [node,str,symbol.rtag]; - else - return [node,str,symbol.tag]; - case BIG: // added by DRW - var atval = symbol.atval; - if (isIE) - atval = symbol.ieval; - symbol = LMgetSymbol(str); - if (symbol == null) - return [null,str,null]; - str = LMremoveCharsAndBlanks(str,symbol.input.length); - node = createMmlNode(symbol.tag,document.createTextNode(symbol.output)); - if (isIE) { // to get brackets to expand - var space = createMmlNode("mspace"); - space.setAttribute("height",atval+"ex"); - node = createMmlNode("mrow",node); - node.appendChild(space); - } else { // ignored in IE - node.setAttribute("minsize",atval); - node.setAttribute("maxsize",atval); - } - return [node,str,symbol.tag]; - case LEFTBRACKET: //read (expr+) - if (symbol.input == "\\left") { // left what? - symbol = LMgetSymbol(str); - if (symbol != null) { - if (symbol.input == ".") - symbol.invisible = true; - str = LMremoveCharsAndBlanks(str,symbol.input.length); - } - } - result = LMparseExpr(str,true,false); - if (symbol==null || - (typeof symbol.invisible == "boolean" && symbol.invisible)) - node = createMmlNode("mrow",result[0]); - else { - node = createMmlNode("mo",document.createTextNode(symbol.output)); - node = createMmlNode("mrow",node); - node.appendChild(result[0]); - } - return [node,result[1],result[2]]; - case MATRIX: //read (expr+) - if (symbol.input == "\\begin{array}") { - var mask = ""; - symbol = LMgetSymbol(str); - str = LMremoveCharsAndBlanks(str,0); - if (symbol == null) - mask = "l"; - else { - str = LMremoveCharsAndBlanks(str,symbol.input.length); - if (symbol.input != "{") - mask = "l"; - else do { - symbol = LMgetSymbol(str); - if (symbol != null) { - str = LMremoveCharsAndBlanks(str,symbol.input.length); - if (symbol.input != "}") - mask = mask+symbol.input; - } - } while (symbol != null && symbol.input != "" && symbol.input != "}"); - } - result = LMparseExpr("{"+str,true,true); -// if (result[0]==null) return [createMmlNode("mo", -// document.createTextNode(symbol.input)),str]; - node = createMmlNode("mtable",result[0]); - mask = mask.replace(/l/g,"left "); - mask = mask.replace(/r/g,"right "); - mask = mask.replace(/c/g,"center "); - node.setAttribute("columnalign",mask); - node.setAttribute("displaystyle","false"); - if (isIE) - return [node,result[1],null]; -// trying to get a *little* bit of space around the array -// (IE already includes it) - var lspace = createMmlNode("mspace"); - lspace.setAttribute("width","0.167em"); - var rspace = createMmlNode("mspace"); - rspace.setAttribute("width","0.167em"); - var node1 = createMmlNode("mrow",lspace); - node1.appendChild(node); - node1.appendChild(rspace); - return [node1,result[1],null]; - } else { // eqnarray - result = LMparseExpr("{"+str,true,true); - node = createMmlNode("mtable",result[0]); - if (isIE) - node.setAttribute("columnspacing","0.25em"); // best in practice? - else - node.setAttribute("columnspacing","0.167em"); // correct (but ignored?) - node.setAttribute("columnalign","right center left"); - node.setAttribute("displaystyle","true"); - node = createMmlNode("mrow",node); - return [node,result[1],null]; - } - case TEXT: - if (str.charAt(0)=="{") i=str.indexOf("}"); - else i = 0; - if (i==-1) - i = str.length; - st = str.slice(1,i); - if (st.charAt(0) == " ") { - node = createMmlNode("mspace"); - node.setAttribute("width","0.33em"); // was 1ex - newFrag.appendChild(node); - } - newFrag.appendChild( - createMmlNode(symbol.tag,document.createTextNode(st))); - if (st.charAt(st.length-1) == " ") { - node = createMmlNode("mspace"); - node.setAttribute("width","0.33em"); // was 1ex - newFrag.appendChild(node); - } - str = LMremoveCharsAndBlanks(str,i+1); - return [createMmlNode("mrow",newFrag),str,null]; - case UNARY: - result = LMparseSexpr(str); - if (result[0]==null) return [createMmlNode(symbol.tag, - document.createTextNode(symbol.output)),str]; - if (typeof symbol.func == "boolean" && symbol.func) { // functions hack - st = str.charAt(0); -// if (st=="^" || st=="_" || st=="/" || st=="|" || st==",") { - if (st=="^" || st=="_" || st==",") { - return [createMmlNode(symbol.tag, - document.createTextNode(symbol.output)),str,symbol.tag]; - } else { - node = createMmlNode("mrow", - createMmlNode(symbol.tag,document.createTextNode(symbol.output))); - if (isIE) { - var space = createMmlNode("mspace"); - space.setAttribute("width","0.167em"); - node.appendChild(space); - } - node.appendChild(result[0]); - return [node,result[1],symbol.tag]; - } - } - if (symbol.input == "\\sqrt") { // sqrt - if (isIE) { // set minsize, for \surd - var space = createMmlNode("mspace"); - space.setAttribute("height","1.2ex"); - space.setAttribute("width","0em"); // probably no effect - node = createMmlNode(symbol.tag,result[0]) -// node.setAttribute("minsize","1"); // ignored -// node = createMmlNode("mrow",node); // hopefully unnecessary - node.appendChild(space); - return [node,result[1],symbol.tag]; - } else - return [createMmlNode(symbol.tag,result[0]),result[1],symbol.tag]; - } else if (typeof symbol.acc == "boolean" && symbol.acc) { // accent - node = createMmlNode(symbol.tag,result[0]); - var output = symbol.output; - if (isIE) { - if (symbol.input == "\\hat") - output = "\u0302"; - else if (symbol.input == "\\widehat") - output = "\u005E"; - else if (symbol.input == "\\bar") - output = "\u00AF"; - else if (symbol.input == "\\grave") - output = "\u0300"; - else if (symbol.input == "\\tilde") - output = "\u0303"; - } - var node1 = createMmlNode("mo",document.createTextNode(output)); - if (symbol.input == "\\vec" || symbol.input == "\\check") - // don't allow to stretch - node1.setAttribute("maxsize","1.2"); - // why doesn't "1" work? \vec nearly disappears in firefox - if (isIE && symbol.input == "\\bar") - node1.setAttribute("maxsize","0.5"); - if (symbol.input == "\\underbrace" || symbol.input == "\\underline") - node1.setAttribute("accentunder","true"); - else - node1.setAttribute("accent","true"); - node.appendChild(node1); - if (symbol.input == "\\overbrace" || symbol.input == "\\underbrace") - node.ttype = UNDEROVER; - return [node,result[1],symbol.tag]; - } else { // font change or displaystyle command - if (!isIE && typeof symbol.codes != "undefined") { - for (i=0; i<result[0].childNodes.length; i++) - if (result[0].childNodes[i].nodeName=="mi" || result[0].nodeName=="mi") { - st = (result[0].nodeName=="mi"?result[0].firstChild.nodeValue: - result[0].childNodes[i].firstChild.nodeValue); - var newst = []; - for (var j=0; j<st.length; j++) - if (st.charCodeAt(j)>64 && st.charCodeAt(j)<91) newst = newst + - String.fromCharCode(symbol.codes[st.charCodeAt(j)-65]); - else newst = newst + st.charAt(j); - if (result[0].nodeName=="mi") - result[0]=createMmlNode("mo"). - appendChild(document.createTextNode(newst)); - else result[0].replaceChild(createMmlNode("mo"). - appendChild(document.createTextNode(newst)),result[0].childNodes[i]); - } - } - node = createMmlNode(symbol.tag,result[0]); - node.setAttribute(symbol.atname,symbol.atval); - if (symbol.input == "\\scriptstyle" || - symbol.input == "\\scriptscriptstyle") - node.setAttribute("displaystyle","false"); - return [node,result[1],symbol.tag]; - } - case BINARY: - result = LMparseSexpr(str); - if (result[0]==null) return [createMmlNode("mo", - document.createTextNode(symbol.input)),str,null]; - result2 = LMparseSexpr(result[1]); - if (result2[0]==null) return [createMmlNode("mo", - document.createTextNode(symbol.input)),str,null]; - if (symbol.input=="\\root" || symbol.input=="\\stackrel") - newFrag.appendChild(result2[0]); - newFrag.appendChild(result[0]); - if (symbol.input=="\\frac") newFrag.appendChild(result2[0]); - return [createMmlNode(symbol.tag,newFrag),result2[1],symbol.tag]; - case INFIX: - str = LMremoveCharsAndBlanks(str,symbol.input.length); - return [createMmlNode("mo",document.createTextNode(symbol.output)), - str,symbol.tag]; - default: - return [createMmlNode(symbol.tag, //its a constant - document.createTextNode(symbol.output)),str,symbol.tag]; - } -} - -function LMparseIexpr(str) { - var symbol, sym1, sym2, node, result, tag, underover; - str = LMremoveCharsAndBlanks(str,0); - sym1 = LMgetSymbol(str); - result = LMparseSexpr(str); - node = result[0]; - str = result[1]; - tag = result[2]; - symbol = LMgetSymbol(str); - if (symbol.ttype == INFIX) { - str = LMremoveCharsAndBlanks(str,symbol.input.length); - result = LMparseSexpr(str); - if (result[0] == null) // show box in place of missing argument - result[0] = createMmlNode("mo",document.createTextNode("\u25A1")); - str = result[1]; - tag = result[2]; - if (symbol.input == "_" || symbol.input == "^") { - sym2 = LMgetSymbol(str); - tag = null; // no space between x^2 and a following sin, cos, etc. -// This is for \underbrace and \overbrace - underover = ((sym1.ttype == UNDEROVER) || (node.ttype == UNDEROVER)); -// underover = (sym1.ttype == UNDEROVER); - if (symbol.input == "_" && sym2.input == "^") { - str = LMremoveCharsAndBlanks(str,sym2.input.length); - var res2 = LMparseSexpr(str); - str = res2[1]; - tag = res2[2]; // leave space between x_1^2 and a following sin etc. - node = createMmlNode((underover?"munderover":"msubsup"),node); - node.appendChild(result[0]); - node.appendChild(res2[0]); - } else if (symbol.input == "_") { - node = createMmlNode((underover?"munder":"msub"),node); - node.appendChild(result[0]); - } else { - node = createMmlNode((underover?"mover":"msup"),node); - node.appendChild(result[0]); - } - node = createMmlNode("mrow",node); // so sum does not stretch - } else { - node = createMmlNode(symbol.tag,node); - if (symbol.input == "\\atop" || symbol.input == "\\choose") - node.setAttribute("linethickness","0ex"); - node.appendChild(result[0]); - if (symbol.input == "\\choose") - node = createMmlNode("mfenced",node); - } - } - return [node,str,tag]; -} - -function LMparseExpr(str,rightbracket,matrix) { - var symbol, node, result, i, tag, - newFrag = document.createDocumentFragment(); - do { - str = LMremoveCharsAndBlanks(str,0); - result = LMparseIexpr(str); - node = result[0]; - str = result[1]; - tag = result[2]; - symbol = LMgetSymbol(str); - if (node!=undefined) { - if ((tag == "mn" || tag == "mi") && symbol!=null && - typeof symbol.func == "boolean" && symbol.func) { - // Add space before \sin in 2\sin x or x\sin x - var space = createMmlNode("mspace"); - space.setAttribute("width","0.167em"); - node = createMmlNode("mrow",node); - node.appendChild(space); - } - newFrag.appendChild(node); - } - } while ((symbol.ttype != RIGHTBRACKET) - && symbol!=null && symbol.output!=""); - tag = null; - if (symbol.ttype == RIGHTBRACKET) { - if (symbol.input == "\\right") { // right what? - str = LMremoveCharsAndBlanks(str,symbol.input.length); - symbol = LMgetSymbol(str); - if (symbol != null && symbol.input == ".") - symbol.invisible = true; - if (symbol != null) - tag = symbol.rtag; - } - if (symbol!=null) - str = LMremoveCharsAndBlanks(str,symbol.input.length); // ready to return - var len = newFrag.childNodes.length; - if (matrix && - len>0 && newFrag.childNodes[len-1].nodeName == "mrow" && len>1 && - newFrag.childNodes[len-2].nodeName == "mo" && - newFrag.childNodes[len-2].firstChild.nodeValue == "&") { //matrix - var pos = []; // positions of ampersands - var m = newFrag.childNodes.length; - for (i=0; matrix && i<m; i=i+2) { - pos[i] = []; - node = newFrag.childNodes[i]; - for (var j=0; j<node.childNodes.length; j++) - if (node.childNodes[j].firstChild.nodeValue=="&") - pos[i][pos[i].length]=j; - } - var row, frag, n, k, table = document.createDocumentFragment(); - for (i=0; i<m; i=i+2) { - row = document.createDocumentFragment(); - frag = document.createDocumentFragment(); - node = newFrag.firstChild; // <mrow> -&-&...&-&- </mrow> - n = node.childNodes.length; - k = 0; - for (j=0; j<n; j++) { - if (typeof pos[i][k] != "undefined" && j==pos[i][k]){ - node.removeChild(node.firstChild); //remove & - row.appendChild(createMmlNode("mtd",frag)); - k++; - } else frag.appendChild(node.firstChild); - } - row.appendChild(createMmlNode("mtd",frag)); - if (newFrag.childNodes.length>2) { - newFrag.removeChild(newFrag.firstChild); //remove <mrow> </mrow> - newFrag.removeChild(newFrag.firstChild); //remove <mo>&</mo> - } - table.appendChild(createMmlNode("mtr",row)); - } - return [table,str]; - } - if (typeof symbol.invisible != "boolean" || !symbol.invisible) { - node = createMmlNode("mo",document.createTextNode(symbol.output)); - newFrag.appendChild(node); - } - } - return [newFrag,str,tag]; -} - -var tcnt = 0, dcnt = 0; //theorem and definition counters - -function simpleLaTeXformatting(st) { - st = st.replace(/\$\$((.|\n)*?)\$\$/g,"<p align=\"center\">$\\displaystyle{$1}$</p>"); - st = st.replace(/\\begin{(theorem|lemma|proposition|corollary)}((.|\n)*?)\\end{\1}/g,function(r,s,t){tcnt++; return "<b>"+s.charAt(0).toUpperCase()+s.slice(1)+" "+tcnt+".</b> <i>"+t.replace(/^\s*<\/?\w+\/?>|\s*<\/?\w+\/?>$/g,"")+"</i>"}); - st = st.replace(/\\begin{(definition|example|remark|problem|exercise|conjecture|solution)}((.|\n)*?)\\end{\1}/g,function(r,s,t){dcnt++; return "<b>"+s.charAt(0).toUpperCase()+s.slice(1)+" "+dcnt+".</b> "+t.replace(/^\s*<\/?\w+\/?>|\s*<\/?\w+\/?>$/g,"")}); - st = st.replace(/\\begin{proof}((.|\n)*?)\\end{proof}/g,function(s,t){return "<i>Proof:</i> "+t.replace(/^\s*<\/?\w+\/?>|\s*<\/?\w+\/?>$/g,"")+" □"}); - st = st.replace(/\\emph{(.*?)}/g,"<em>$1</em>"); - st = st.replace(/\\textbf{(.*?)}/g,"<b>$1</b>"); - st = st.replace(/\\cite{(.*?)}/g,"[$1]"); - st = st.replace(/\\chapter{(.*?)}/g,"<h2>$1</h2>"); - st = st.replace(/\\section{(.*?)}(\s*<\/?(br|p)\s?\/?>)?/g,"<h3>$1</h3>"); - st = st.replace(/\\subsection{((.|\n)*?)}/g,"<h4>$1</h4>"); - st = st.replace(/\\begin{itemize}(\s*<\/?(br|p)\s?\/?>)?/g,"<ul>"); - st = st.replace(/\\item\s((.|\n)*?)(?=(\\item|\\end))/g,"<li>$1</li>"); - st = st.replace(/\\end{itemize}(\s*<\/?(br|p)\s?\/?>)?/g,"</ul>"); - st = st.replace(/\\begin{enumerate}(\s*<\/?(br|p)\s?\/?>)?/g,"<ol>"); - st = st.replace(/\\end{enumerate}(\s*<\/?(br|p)\s?\/?>)?/g,"</ol>"); - st = st.replace(/\\item\[(.*?)]{(.*?)}/g,"<dt>$1</dt><dd>$2</dd>"); - st = st.replace(/\\begin{description}/g,"<dl>"); - st = st.replace(/\\end{description}/g,"</dl>"); - st = st.replace(/\\newline\b/g,"<br/>"); - st = st.replace(/\\newpage\b/g,"<br style=\"page-break-after:always;\">"); - st = st.replace(/\\par\b/g,"<p> </p>"); - st = st.replace(/\\bigskip/g,"<p style=\"margin-bottom:0.5in\"> </p>"); - st = st.replace(/\\medskip/g,"<p style=\"margin-bottom:0.3in\"> </p>"); - st = st.replace(/\\smallskip/g,"<p style=\"margin-bottom:0.15in\"> </p>"); - st = st.replace(/\\begin{center}((.|\n)*?)\\end{center}/g,"<center>$1</center>"); - return st -} - -function ASCIIandgraphformatting(st) { - st = st.replace(/<sup>(.*?)<\/sup>(\s|(\S))/gi,"^{$1} $3"); -//st = st.replace(/<\/?font.*?>/gi,""); // do this only in amath...endamath - st = st.replace(/(Proof:)/g,"<i>$1</i>"); - st = st.replace(/QED/g," □"); - st = st.replace(/(\\?end{?a?math}?)/ig,"<span></span>$1"); - st = st.replace(/(\bamath\b|\\begin{a?math})/ig,"<span></span>$1"); - st = st.replace(/([>\n])(Theorem|Lemma|Proposition|Corollary|Definition|Example|Remark|Problem|Exercise|Conjecture|Solution)(:|\W\W?(\w|\s|-|\.)*?\W?:)/g,"$1<b>$2$3</b>"); - st = st.replace(/<embed\s+class\s?=\s?"?ASCIIsvg"?/gi,"<embed class=\"ASCIIsvg\" src=\""+dsvglocation+"d.svg\" wmode=\"transparent\""); - st = st.replace(/(?:\\begin{a?graph}|\bagraph|\(:graph\s)((.|\n)*?)(?:\\end{a?graph}|enda?graph|:\))/g,function(s,t){return "<table><tr><td><div class=\"ASCIIsvg\"><embed class=\"ASCIIsvg\" src=\""+dsvglocation+"d.svg\" wmode=\"transparent\" script=\'"+t.replace(/<\/?(br|p|pre)\s?\/?>/gi,"\n")+"\'/></div></td></tr></table>"}); - st = st.replace(/insertASCIIMathCalculator/g,"<div class=\"ASCIIMathCalculator\"></div>"); -//alert(dsvglocation) - return st -} - -function LMprocessNode(n) { - var frag,st; - try { - st = n.innerHTML; - } catch(err) {} - var am = /amath\b|graph/i.test(st); - if ((st==null || st.indexOf("\$ ")!=-1 || st.indexOf("\$<")!=-1 || - st.indexOf("\\begin")!=-1 || am || st.slice(-1)=="$" || - st.indexOf("\$\n")!=-1)&& !/edit-content|HTMLArea|wikiedit|wpTextbox1/.test(st)){ - if (!avoidinnerHTML && translateLaTeXformatting) - st = simpleLaTeXformatting(st); - if (st!=null && am && !avoidinnerHTML) { - st = ASCIIandgraphformatting(st); - } - st = st.replace(/%7E/g,"~"); // else PmWiki has url issues -//alert(st) - if (!avoidinnerHTML) n.innerHTML = st; - processNodeR(n,false,true); - } -/* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ -} - -/* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ - -// you can change these -var checkIfSVGavailable = true; -var notifyIfNoSVG = true; -var alertIfNoSVG = false; -var noSVG = false; - -// global defaults used if not specified by graph (you can change these) -var defaultwidth = 300; defaultheight = 200; // in pixels -var defaultxmin = -5.5; defaultxmax = 5.5; // in usercoords -var defaultborder = 0; border = defaultborder; // in pixel -var defaultstrokewidth = "1"; // default line width in pixel -var defaultstroke = "blue"; // default line color -var defaultstrokeopacity = 1; // transparent = 0, solid =1 -var defaultstrokedasharray = null; // "10,10" gives 10px long dashes -var defaultfill = "none"; // default fill color -var defaultfillopacity = 1; // transparent = 0, solid =1 -var defaultfontstyle = "normal"; // default text shape normal|italic|inherit -var defaultfontfamily = "times"; // default font times|ariel|helvetica|... -var defaultfontsize = "16"; // default size (scaled automatically) -var defaultfontweight = "normal";// normal|bold|bolder|lighter|100|...|900 -var defaultfontstroke = "none"; // default font outline color -var defaultfontfill = "none"; // default font color -var defaultmarker = "none"; // "dot" | "arrow" | "+" | "-" | "|" -var defaultendpoints = ""; // "c-d" where c is <|o|* and d is >|o|* - -// global values used for all pictures (you can change these) -var showcoordinates = true; -var markerstrokewidth = "1"; -var markerstroke = "black"; -var markerfill = "yellow"; -var markersize = 4; -var arrowfill = stroke; -var dotradius = 4; -var ticklength = 4; -var axesstroke = "black"; -var gridstroke = "grey"; -var backgroundstyle = "fill-opacity:0; fill:white"; -var singlelettersitalic = true; - -// internal variables (probably no need to change these) -var picturepos = null; // position of picture relative to top of HTML page -var xunitlength; // in pixels, used to convert to user coordinates -var yunitlength; // in pixels -var origin = [0,0]; // in pixels (default is bottom left corner) -var above = "above"; // shorthands (to avoid typing quotes) -var below = "below"; -var left = "left"; -var right = "right"; -var aboveleft = "aboveleft"; -var aboveright = "aboveright"; -var belowleft = "belowleft"; -var belowright = "belowright"; -var xmin, xmax, ymin, ymax, xscl, yscl, - xgrid, ygrid, xtick, ytick, initialized; -var strokewidth, strokedasharray, stroke, fill, strokeopacity, fillopacity; -var fontstyle, fontfamily, fontsize, fontweight, fontstroke, fontfill; -var marker, endpoints, dynamic = {}; -var picture, svgpicture, doc, width, height; -var isIE = document.createElementNS==null; - -//this is not used! var cpi = "\u03C0", ctheta = "\u03B8"; // character for pi, theta -var log = function(x) { return ln(x)/ln(10) }; -var pi = Math.PI, e = Math.E, ln = Math.log, sqrt = Math.sqrt; -var floor = Math.floor, ceil = Math.ceil, abs = Math.abs; -var sin = Math.sin, cos = Math.cos, tan = Math.tan; -var arcsin = Math.asin, arccos = Math.acos, arctan = Math.atan; -var sec = function(x) { return 1/Math.cos(x) }; -var csc = function(x) { return 1/Math.sin(x) }; -var cot = function(x) { return 1/Math.tan(x) }; -var arcsec = function(x) { return arccos(1/x) }; -var arccsc = function(x) { return arcsin(1/x) }; -var arccot = function(x) { return arctan(1/x) }; -var sinh = function(x) { return (Math.exp(x)-Math.exp(-x))/2 }; -var cosh = function(x) { return (Math.exp(x)+Math.exp(-x))/2 }; -var tanh = - function(x) { return (Math.exp(x)-Math.exp(-x))/(Math.exp(x)+Math.exp(-x)) }; -var sech = function(x) { return 1/cosh(x) }; -var csch = function(x) { return 1/sinh(x) }; -var coth = function(x) { return 1/tanh(x) }; -var arcsinh = function(x) { return ln(x+Math.sqrt(x*x+1)) }; -var arccosh = function(x) { return ln(x+Math.sqrt(x*x-1)) }; -var arctanh = function(x) { return ln((1+x)/(1-x))/2 }; -var sech = function(x) { return 1/cosh(x) }; -var csch = function(x) { return 1/sinh(x) }; -var coth = function(x) { return 1/tanh(x) }; -var arcsech = function(x) { return arccosh(1/x) }; -var arccsch = function(x) { return arcsinh(1/x) }; -var arccoth = function(x) { return arctanh(1/x) }; -var sign = function(x) { return (x==0?0:(x<0?-1:1)) }; - -function factorial(x,n) { // Factorial function - if (n==null) n=1; - if (Math.abs(x-Math.round(x*1000000)/1000000)<1e-15) - x = Math.round(x*1000000)/1000000; - if (x-Math.floor(x)!=0) return NaN; - for (var i=x-n; i>0; i-=n) x*=i; - return (x<0?NaN:(x==0?1:x)); -} - -function C(x,k) { // Binomial coefficient function - var res=1; - for (var i=0; i<k; i++) res*=(x-i)/(k-i); - return res; -} - -function chop(x,n) { // Truncate decimal number to n places after decimal point - if (n==null) n=0; - return Math.floor(x*Math.pow(10,n))/Math.pow(10,n); -} - -function ran(a,b,n) { // Generate random number in [a,b] with n digits after . - if (n==null) n=0; - return chop((b+Math.pow(10,-n)-a)*Math.random()+a,n); -} - -function myCreateElementSVG(t) { - if (isIE) return doc.createElement(t); - else return doc.createElementNS("http://www.w3.org/2000/svg",t); -} - -function getElementsByClass(container, tagName, clsName){ - var list = new Array(0); - var collection = container.getElementsByTagName(tagName); - for(var i = 0; i < collection.length; i++) - if(collection[i].className.slice(0,clsName.length)==clsName) - list[list.length] = collection[i]; - return list; -} - -function showobj(obj) { - var st="", i; - for (i in obj) - st += (obj.getAttribute(i)==null?"":" "+i+":"+obj.getAttribute(i)); - return st; -} - -function findPos(obj) { // top-left corner of obj on HTML page in pixel - var curleft = curtop = 0; - if (obj.offsetParent) { - curleft = obj.offsetLeft - curtop = obj.offsetTop - while (obj = obj.offsetParent) { - curleft += obj.offsetLeft - curtop += obj.offsetTop -//alert(showobj(obj)+[curleft,curtop]) - } - } - return [curleft,curtop]; -} - -function checkSVG(){ - if (navigator.appName.slice(0,8)=="Netscape") - if (window['SVGElement']) noSVG = null; - else noSVG = true; - else if (navigator.appName.slice(0,9)=="Microsoft") - try { - var oSVG=eval("new ActiveXObject('Adobe.SVGCtl.3');"); - noSVG = null; - } catch (e) { - noSVG = true; - } - else if (navigator.appName.slice(0,5)=="Opera") // works only for 9.50b1 - noSVG = null; - else noSVG = true; -//noSVG = true; //uncomment to check - if (noSVG && notifyIfNoSVG) { - var msg = "To view the ASCIIsvg images use Internet Explorer + Adobe SVGviewer or Mozilla Firefox 2.0 or later." - if (alertIfNoSVG) - alert(msg); - else return msg; - } -} - -function setText(st,id) { // add text to an existing node with given id - var node = document.getElementById(id); - if (node!=null) - if (node.childNodes.length!=0) node.childNodes[0].nodeValue = st; - else node.appendChild(document.createTextNode(st)); -} - -function getX(evt) { // return mouse x-coord in user coordinate system - var svgroot = evt.target.parentNode; - pos = findPos(svgroot.parentNode); - return (evt.clientX+(isIE?0:window.pageXOffset)-pos[0]-svgroot.getAttribute("ox"))/parseFloat(svgroot.getAttribute("xunitlength")); -} - -function getY(evt) { // return mouse y-coord in user coordinate system - var svgroot = evt.target.parentNode; - pos = findPos(svgroot.parentNode); -//alert(showobj(svgroot)+svgroot.getAttribute("mytop")) - return (svgroot.getAttribute("height")-svgroot.getAttribute("oy")-(evt.clientY+(isIE?0:window.pageYOffset)-pos[1]))/parseFloat(svgroot.getAttribute("yunitlength")); -} - -function translateandeval(src) { //modify user input to JavaScript syntax - var errstr; - // replace plot(f(x),...) with plot("f(x)",...) - src = src.replace(/plot\(\x20*([^\"f\[][^\n\r;]+?)\,/g,"plot\(\"$1\","); - src = src.replace(/plot\(\x20*([^\"f\[][^\n\r;]+)\)/g,"plot(\"$1\")"); - - // replace (expr,expr) by [expr,expr] where expr has no (,) in it - src = src.replace(/([=[(,]\x20*)\(([-a-z0-9./+*]+?),([-a-z0-9./+*]+?)\)/g,"$1[$2,$3]"); -//alert(src) - // insert * between digit and letter e.g. 2x --> 2*x - src = src.replace(/([0-9])([a-df-zA-Z]|e^)/g,"$1*$2"); - src = src.replace(/\)([\(0-9a-zA-Z])/g,"\)*$1"); - - try { - with (Math) eval(src); // here the svgpicture object is created - } catch(err) { - if (err!="wait") { -//alert(dsvglocation) - if (typeof err=="object") - errstr = err.name+" "+err.message+" "+err.number+" "+err.description; - else errstr = err; - alert(errstr+"\n"+src) - } - } -} - -var lastSlot = 0; - -function drawPictures() { // main routine; called after webpage has loaded - var src, id, dsvg, nd, node, ht, index, cols, arr, i, node2; - var ASbody = document.getElementsByTagName("body")[0]; - pictures = getElementsByClass(ASbody,"embed","ASCIIsvg"); - var len = pictures.length; - if(len==0) return; - for (index = lastSlot; index < len+lastSlot; index++) { - width = null; height = null; - xmin = null; xmax = null; ymin = null; ymax = null; - xscl = null; xgrid = null; yscl = null; ygrid = null; - initialized = false; - picture = pictures[index-lastSlot]; // current picture object - src = picture.getAttribute("script"); // get the ASCIIsvg code - if (src==null) src = ""; - // insert "axes()" if not present ******** experimental - if (!/axes\b|initPicture/.test(src)) { - var i = 0; - while (/((yscl|ymax|ymin|xscl|xmax|xmin|\bwidth|\bheight)\s*=\s*-?\d*(\d\.|\.\d|\d)\d*\s*;?)/.test(src.slice(i))) i++; - src = (i==0?"axes(); "+src: src.slice(0,i)+src.slice(i).replace(/((scl|max|min|idth|eight)\s*=\s*-?\d*(\d\.|\.\d|\d)\d*\s*;?)/,"$1\naxes();")); - } - ht = picture.getAttribute("height"); - if (isIE) { - picture.setAttribute("wmode","transparent"); -//alert("*"+picture.getAttribute("src")+dsvglocation); -//adding d.svg dynamically greates problems in IE... -// if (picture.getAttribute("src")=="") picture.setAttribute("src",dsvglocation+"d.svg"); - } - if (document.getElementById("picture"+(index+1)+"mml")==null) { - picture.parentNode.style.position = "relative"; - node = createElementXHTML("div"); - node.style.position = "absolute"; - node.style.top = "0px"; - node.style.left = "0px"; - node.setAttribute("id","picture"+(index+1)+"mml"); - picture.parentNode.insertBefore(node,picture.nextSibling); - } - if (ht==null) ht =""; -// if (ht!="") defaultborder = 25; - if (ht=="" || src=="") - if (document.getElementById("picture"+(index+1)+"input")==null) { - node = createElementXHTML("textarea"); - arr = src.split("\n"); - cols = 0; - for (i=0;i<arr.length;i++) cols = Math.max(cols,arr[i].length); - node.setAttribute("rows",Math.min(10,arr.length)+1); - node.setAttribute("cols",Math.max(Math.min(60,cols),20)+5); -// node.setAttribute("style","display:block"); - if (isIE) src = src.replace(/([^\r])\n/g,"$1\r"); - node.appendChild(document.createTextNode(src)); - if (src.indexOf("showcode()")==-1) node.style.display = "none"; - node.setAttribute("id","picture"+(index+1)+"input"); - picture.parentNode.insertBefore(node,picture.nextSibling); - picture.parentNode.insertBefore(createElementXHTML("br"),node); - node2 = createElementXHTML("button"); - node2.setAttribute("id","picture"+(index+1)+"button"); - if (isIE) node2.onclick = function() {updatePicture(this)}; - else node2.setAttribute("onclick","updatePicture(this)"); - node2.appendChild(document.createTextNode("Update")); - if (src.indexOf("showcode()")==-1) node2.style.display = "none"; - picture.parentNode.insertBefore(node2,node); -// picture.parentNode.insertBefore(document.createTextNode("ASCII"),node); - picture.parentNode.insertBefore(createElementXHTML("br"),node); - } else src = document.getElementById("picture"+(index+1)+"input").value; - id = picture.getAttribute("id"); - dsvg = picture.getAttribute("src"); - if (id == null || id == "") { - id = "picture"+(index+1); - picture.setAttribute("id",id); - } - translateandeval(src); - } - lastSlot+=len; -} - -function setdefaults() { //called before each graph is evaluated - strokewidth = defaultstrokewidth; - stroke = defaultstroke; - strokeopacity = defaultstrokeopacity; - strokedasharray = defaultstrokedasharray; - fill = defaultfill; - fillopacity = defaultfillopacity; - fontstyle = defaultfontstyle; - fontfamily = defaultfontfamily; - fontsize = defaultfontsize; - fontweight = defaultfontweight; - fontstroke = defaultfontstroke; - fontfill = defaultfontfill; - marker = defaultmarker; - endpoints = defaultendpoints; -} - -function switchTo(id) { // used by dynamic code to select appropriate graph - if (id==undefined) return; - var name = id; - if (typeof name!="string") name = id.target.parentNode.getAttribute("name"); - picture = document.getElementById(name); - width = picture.getAttribute("width")-0; - height = picture.getAttribute("height")-0; - setdefaults(); - if ((picture.nodeName == "EMBED" || picture.nodeName == "embed") && isIE) { - svgpicture = picture.getSVGDocument().getElementById("root"); - doc = picture.getSVGDocument(); - } else { - svgpicture = picture; - doc = document; - } - xunitlength = parseFloat(svgpicture.getAttribute("xunitlength")); - yunitlength = parseFloat(svgpicture.getAttribute("yunitlength")); - xmin = parseFloat(svgpicture.getAttribute("xmin")); - xmax = parseFloat(svgpicture.getAttribute("xmax")); - ymin = parseFloat(svgpicture.getAttribute("ymin")); - ymax = parseFloat(svgpicture.getAttribute("ymax")); - origin = [svgpicture.getAttribute("ox")-0,svgpicture.getAttribute("oy")-0]; -} - -function updatePicture(obj) { - var node, src, id, top, left; - if (typeof obj=="object") id = obj.id.slice(0,-6); - else id = (typeof obj=="string"?obj:"picture"+(obj+1)); - src = document.getElementById(id+"input").value; - xmin = null; xmax = null; ymin = null; ymax = null; - xscl = null; xgrid = null; yscl = null; ygrid = null; - initialized = false; - picture = document.getElementById(id); - translateandeval(src) -} - -function changepicturesize(evt,factor) { - var obj = evt.target; - var name = obj.parentNode.getAttribute("name"); - var pic = document.getElementById(name); - var src = document.getElementById(name+"input").value; - if (!/height/.test(src)) src = "height=0; "+src; - if (!/width/.test(src)) src = "width=0; "+src; - src = src.replace(/width\s*=\s*\d+/,"width="+(factor*(pic.getAttribute("width")-0))); - src = src.replace(/height\s*=\s*\d+/,"height="+(factor*(pic.getAttribute("height")-0))); - document.getElementById(name+"input").value = src; -//alert(getKey(evt.keycode)) - updatePicture(name); -} - -function zoom(evt,factor) { - switchTo(evt); - var obj = evt.target; - var name = obj.parentNode.getAttribute("name"); - var pic = document.getElementById(name); - var src = document.getElementById(name+"input").value; - var xlen = (xmax-xmin)/2; - var ylen = (ymax-ymin)/2; - var xcen = getX(evt), ycen = getY(evt); - if (!/ymax/.test(src)) src = "ymax=0; "+src; - if (!/ymin/.test(src)) src = "ymin=0; "+src; - if (!/xmax/.test(src)) src = "xmax=0; "+src; - if (!/xmin/.test(src)) src = "xmin=0; "+src; - src = src.replace(/xmin\s*=\s*[-\d.e]+/,"xmin="+(xcen-factor*xlen)); - src = src.replace(/xmax\s*=\s*[-\d.e]+/,"xmax="+(xcen+factor*xlen)); - src = src.replace(/ymin\s*=\s*[-\d.e]+/,"ymin="+(ycen-factor*ylen)); - src = src.replace(/ymax\s*=\s*[-\d.e]+/,"ymax="+(ycen+factor*ylen)); - document.getElementById(name+"input").value = src; - updatePicture(name); -} - -var sinceFirstClick = 0; // ondblclick simulation from -var dblClkTimer; // http://www.enja.org/david/?cat=13 Thanks! -function timer() { - if(sinceFirstClick<60) { - sinceFirstClick++; - setTimeout("timer()",10); - } else { - clearTimeout(dblClkTimer); - dblClkTimer = ""; - } -} -function mClick(evt) { - if(sinceFirstClick!=0) { - if(sinceFirstClick <= 40) { - if (evt.shiftKey) { - if (evt.altKey) changepicturesize(evt,2); - else zoom(evt,.5); - } else if (evt.altKey) zoom(evt,2);//changepicturesize(evt,.5); - else showHideCode(evt); // do this on dblclick - clearTimeout(dblClkTimer); - dblClkTimer = ""; - } else { - clearTimeout(dblClkTimer); - sinceFirstClick = 0; - dblClkTimer = setTimeout("timer()",10); - } - } else { - sinceFirstClick = 0; - dblClkTimer = setTimeout("timer()",10); - } -} - -function showHideCode(evt) { // called by onclick event -// if (evt.getDetail()==2) {//getDetail unfortunately not in Firefox - var obj=evt.target; - var name = obj.parentNode.getAttribute("name"); - var node = document.getElementById(name+"input"); - node.style.display = (node.style.display == "none"?"":"none"); - var node = document.getElementById(name+"button"); - node.style.display = (node.style.display == "none"?"":"none"); -// } -} - -function showcode() {} // do nothing - -function setBorder(x) { border = x } //deprecate - -function initPicture(x_min,x_max,y_min,y_max) { // set up the graph -// usually called by axes() or noaxes(), but can be used directly - if (!initialized) { - setdefaults(); - initialized = true; - if (x_min!=null) xmin = x_min; - if (x_max!=null) xmax = x_max; - if (y_min!=null) ymin = y_min; - if (y_max!=null) ymax = y_max; - if (xmin==null) xmin = defaultxmin; - if (xmax==null) xmax = defaultxmax; - if (typeof xmin != "number" || typeof xmax != "number" || xmin >= xmax) - alert("Picture requires at least two numbers: xmin < xmax"); - else if (y_max != null && (typeof y_min != "number" || - typeof y_max != "number" || y_min >= y_max)) - alert("initPicture(xmin,xmax,ymin,ymax) requires numbers ymin < ymax"); - else { - if (width==null) { - width = picture.getAttribute("width"); - if (width==null || width=="") width=defaultwidth; - } - picture.setAttribute("width",width); - if (height==null) { - height = picture.getAttribute("height"); - if (height==null || height=="") height=defaultheight; - } - picture.setAttribute("height",height); - xunitlength = (width-2*border)/(xmax-xmin); - yunitlength = xunitlength; -//alert(xmin+" "+xmax+" "+ymin+" "+ymax) - if (ymin==null) { - origin = [-xmin*xunitlength+border,height/2]; - ymin = -(height-2*border)/(2*yunitlength); - ymax = -ymin; - } else { - if (ymax!=null) yunitlength = (height-2*border)/(ymax-ymin); - else ymax = (height-2*border)/yunitlength + ymin; - origin = [-xmin*xunitlength+border,-ymin*yunitlength+border]; - } - if (isIE) { - if (picture.FULLSCREEN==undefined) { - setTimeout('drawPictures()',50); - throw "wait"; - } - svgpicture = picture.getSVGDocument().getElementById("root"); - if (svgpicture==null) { - setTimeout('drawPictures()',50); - throw "wait"; - } - svgpicture = picture.getSVGDocument().getElementById("root"); - while (svgpicture.childNodes.length>0) - svgpicture.removeChild(svgpicture.lastChild); - svgpicture.setAttribute("width",width); - svgpicture.setAttribute("height",height); - svgpicture.setAttribute("name",picture.getAttribute("id")); - doc = picture.getSVGDocument(); - } else { - var qnode = document.createElementNS("http://www.w3.org/2000/svg","svg"); - qnode.setAttribute("id",picture.getAttribute("id")); - qnode.setAttribute("name",picture.getAttribute("id")); -// qnode.setAttribute("style","display:inline"); - qnode.setAttribute("width",picture.getAttribute("width")); - qnode.setAttribute("height",picture.getAttribute("height")); - picturepos = findPos(picture); -// qnode.setAttribute("xmlns:xlink","http://www.w3.org/1999/xlink"); - if (picture.parentNode!=null) { - picture.parentNode.replaceChild(qnode,picture); - } else { - svgpicture.parentNode.replaceChild(qnode,svgpicture); - } - svgpicture = qnode; - doc = document; - } - var nd = document.getElementById(picture.getAttribute("id")+"mml"); - if (nd!=null) // clear out MathML layer - while (nd.childNodes.length>0) nd.removeChild(nd.lastChild); - svgpicture.setAttribute("xunitlength",xunitlength); - svgpicture.setAttribute("yunitlength",yunitlength); - svgpicture.setAttribute("xmin",xmin); - svgpicture.setAttribute("xmax",xmax); - svgpicture.setAttribute("ymin",ymin); - svgpicture.setAttribute("ymax",ymax); - svgpicture.setAttribute("ox",origin[0]); - svgpicture.setAttribute("oy",origin[1]); - var node = myCreateElementSVG("rect"); - node.setAttribute("x","0"); - node.setAttribute("y","0"); - node.setAttribute("width",width); - node.setAttribute("height",height); - node.setAttribute("style",backgroundstyle); - svgpicture.appendChild(node); - svgpicture.setAttribute("onmousemove","displayCoord(evt)"); - svgpicture.setAttribute("onmouseout","removeCoord(evt)"); - svgpicture.setAttribute("onclick","mClick(evt)"); - node = myCreateElementSVG("text"); // used for displayCoord - node.appendChild(doc.createTextNode(" ")); - node.setAttribute("id","coords"); - svgpicture.appendChild(node); - node = myCreateElementSVG("text"); // used for text display - node.appendChild(doc.createTextNode(" ")); - node.setAttribute("id","coords"); - svgpicture.appendChild(node); - border = defaultborder; - } - } -} - -//////////////////////////user graphics commands start///////////////////////// - -function line(p,q,id,endpts) { // segment connecting points p,q (coordinates in units) - var node; - if (id!=null) node = doc.getElementById(id); - if (node==null) { - node = myCreateElementSVG("path"); - node.setAttribute("id", id); - svgpicture.appendChild(node); - } - node.setAttribute("d","M"+(p[0]*xunitlength+origin[0])+","+ - (height-p[1]*yunitlength-origin[1])+" "+ - (q[0]*xunitlength+origin[0])+","+(height-q[1]*yunitlength-origin[1])); - node.setAttribute("stroke-width", strokewidth); - if (strokedasharray!=null) - node.setAttribute("stroke-dasharray", strokedasharray); - node.setAttribute("stroke", stroke); - node.setAttribute("fill", fill); - node.setAttribute("stroke-opacity", strokeopacity); - node.setAttribute("fill-opacity", fillopacity); - if (marker=="dot" || marker=="arrowdot") { - ASdot(p,markersize,markerstroke,markerfill); - if (marker=="arrowdot") arrowhead(p,q); - ASdot(q,markersize,markerstroke,markerfill); - } else if (marker=="arrow") arrowhead(p,q); - if (endpts==null && endpoints!="") endpts = endpoints; - if (endpts!=null) { - if (endpts.indexOf("<-") != -1) arrowhead(q,p); - if (endpts.indexOf("o-") != -1) dot(p, "open"); - if (endpts.indexOf("*-") != -1) dot(p, "closed"); - if (endpts.indexOf("->") != -1) arrowhead(p,q); - if (endpts.indexOf("-o") != -1) dot(q, "open"); - if (endpts.indexOf("-*") != -1) dot(q, "closed"); - } -} - -function path(plist,id,c,endpts) { - if (c==null) c=""; - var node, st, i; - if (id!=null) node = doc.getElementById(id); - if (node==null) { - node = myCreateElementSVG("path"); - node.setAttribute("id", id); - svgpicture.appendChild(node); - } - if (typeof plist == "string") st = plist; - else { - st = "M"; - st += (plist[0][0]*xunitlength+origin[0])+","+ - (height-plist[0][1]*yunitlength-origin[1])+" "+c; - for (i=1; i<plist.length; i++) - st += (plist[i][0]*xunitlength+origin[0])+","+ - (height-plist[i][1]*yunitlength-origin[1])+" "; - } - node.setAttribute("d", st); - node.setAttribute("stroke-width", strokewidth); - if (strokedasharray!=null) - node.setAttribute("stroke-dasharray", strokedasharray); - node.setAttribute("stroke", stroke); - node.setAttribute("fill", fill); - node.setAttribute("stroke-opacity", strokeopacity); - node.setAttribute("fill-opacity", fillopacity); - if (marker=="dot" || marker=="arrowdot") - for (i=0; i<plist.length; i++) - if (c!="C" && c!="T" || i!=1 && i!=2) - ASdot(plist[i],markersize,markerstroke,markerfill); - if (endpts==null && endpoints!="") endpts = endpoints; - if (endpts!=null) { - if (endpts.indexOf("<-") != -1) arrowhead(plist[1],plist[0]); - if (endpts.indexOf("o-") != -1) dot(plist[0], "open"); - if (endpts.indexOf("*-") != -1) dot(plist[0], "closed"); - if (endpts.indexOf("->") != -1) arrowhead(plist[plist.length-2],plist[plist.length-1]); - if (endpts.indexOf("-o") != -1) dot(plist[plist.length-1], "open"); - if (endpts.indexOf("-*") != -1) dot(plist[plist.length-1], "closed"); - } -} - -function curve(plist,id,endpts) { - path(plist,id,"T",endpts); -} - -function vector(p,q,id) { - line(p,q,id,"","->"); -} - -function circle(center,radius,id) { // coordinates in units - var node; - if (id!=null) node = doc.getElementById(id); - if (node==null) { - node = myCreateElementSVG("circle"); - node.setAttribute("id", id); - svgpicture.appendChild(node); - } - node.setAttribute("cx",center[0]*xunitlength+origin[0]); - node.setAttribute("cy",height-center[1]*yunitlength-origin[1]); - node.setAttribute("r",radius*xunitlength); - node.setAttribute("stroke-width", strokewidth); - node.setAttribute("stroke", stroke); - node.setAttribute("fill", fill); - node.setAttribute("stroke-opacity", strokeopacity); - node.setAttribute("fill-opacity", fillopacity); -} - -function loop(p,d,id) { -// d is a direction vector e.g. [1,0] means loop starts in that direction - if (d==null) d=[1,0]; - path([p,[p[0]+d[0],p[1]+d[1]],[p[0]-d[1],p[1]+d[0]],p],id,"C"); - if (marker=="arrow" || marker=="arrowdot") - arrowhead([p[0]+Math.cos(1.4)*d[0]-Math.sin(1.4)*d[1], - p[1]+Math.sin(1.4)*d[0]+Math.cos(1.4)*d[1]],p); -} - -function arc(start,end,radius,id,largearc) { // coordinates in units - var node, v; -//alert([fill, stroke, origin, xunitlength, yunitlength, height]) - if (id!=null) node = doc.getElementById(id); - if (largearc==null) largearc=0; - if (radius==null) { - v=[end[0]-start[0],end[1]-start[1]]; - radius = Math.sqrt(v[0]*v[0]+v[1]*v[1]); - } - if (node==null) { - node = myCreateElementSVG("path"); - node.setAttribute("id", id); - svgpicture.appendChild(node); - } - node.setAttribute("d","M"+(start[0]*xunitlength+origin[0])+","+ - (height-start[1]*yunitlength-origin[1])+" A"+radius*xunitlength+","+ - radius*yunitlength+" 0 "+largearc+",0 "+(end[0]*xunitlength+origin[0])+","+ - (height-end[1]*yunitlength-origin[1])); - node.setAttribute("stroke-width", strokewidth); - node.setAttribute("stroke", stroke); - node.setAttribute("fill", fill); - node.setAttribute("stroke-opacity", strokeopacity); - node.setAttribute("fill-opacity", fillopacity); - if (marker=="arrow" || marker=="arrowdot") { - u = [(end[1]-start[1])/4,(start[0]-end[0])/4]; - v = [(end[0]-start[0])/2,(end[1]-start[1])/2]; -//alert([u,v]) - v = [start[0]+v[0]+u[0],start[1]+v[1]+u[1]]; - } else v=[start[0],start[1]]; - if (marker=="dot" || marker=="arrowdot") { - ASdot(start,markersize,markerstroke,markerfill); - if (marker=="arrowdot") arrowhead(v,end); - ASdot(end,markersize,markerstroke,markerfill); - } else if (marker=="arrow") arrowhead(v,end); -} - -function sector(center,start,end,id) { // center,start,end should be isoceles - var rx = start[0]-center[0], ry = start[1]-center[1]; - arc(start,end,Math.sqrt(rx*rx+ry*ry),id+"arc"); - path([end,center,start],id+"path"); -} - -function ellipse(center,rx,ry,id) { // coordinates in units - var node; - if (id!=null) node = doc.getElementById(id); - if (node==null) { - node = myCreateElementSVG("ellipse"); - node.setAttribute("id", id); - svgpicture.appendChild(node); - } - node.setAttribute("cx",center[0]*xunitlength+origin[0]); - node.setAttribute("cy",height-center[1]*yunitlength-origin[1]); - node.setAttribute("rx",rx*xunitlength); - node.setAttribute("ry",ry*yunitlength); - node.setAttribute("stroke-width", strokewidth); - node.setAttribute("stroke", stroke); - node.setAttribute("fill", fill); - node.setAttribute("stroke-opacity", strokeopacity); - node.setAttribute("fill-opacity", fillopacity); -} - -function triangle(p,q,r,id) { - path([p,q,r,p],id) -} - -function rect(p,q,id,rx,ry) { // opposite corners in units, rounded by radii - var node; - if (id!=null) node = doc.getElementById(id); - if (node==null) { - node = myCreateElementSVG("rect"); - node.setAttribute("id", id); - svgpicture.appendChild(node); - } - node.setAttribute("x",p[0]*xunitlength+origin[0]); - node.setAttribute("y",height-q[1]*yunitlength-origin[1]); - node.setAttribute("width",(q[0]-p[0])*xunitlength); - node.setAttribute("height",(q[1]-p[1])*yunitlength); - if (rx!=null) node.setAttribute("rx",rx*xunitlength); - if (ry!=null) node.setAttribute("ry",ry*yunitlength); - node.setAttribute("stroke-width", strokewidth); - node.setAttribute("stroke", stroke); - node.setAttribute("fill", fill); - node.setAttribute("stroke-opacity", strokeopacity); - node.setAttribute("fill-opacity", fillopacity); -} - -function text(p,st,pos,id,fontsty) { - var dnode, node, dx = 0, dy = fontsize/3, str = st.toString(); - if (/(`|\$)/.test(str)) { // layer for ASCIIMathML and LaTeXMathML - dnode = document.getElementById(svgpicture.getAttribute("name")+"mml"); - if (dnode!=null) { - if (id!=null) node = document.getElementById(id); - if (node==null) { -//alert(dnode.childNodes.length) - node = createElementXHTML("div"); - node.setAttribute("id", id); - node.style.position = "absolute"; - dnode.appendChild(node); - } - while (node.childNodes.length>0) node.removeChild(node.lastChild); - node.appendChild(document.createTextNode(str)); - if (/`/.test(str)) AMprocessNode(node); else LMprocessNode(node); - dx = -node.offsetWidth/2; - dy = -node.offsetHeight/2; - if (pos!=null) { - if (/above/.test(pos)) dy = -node.offsetHeight; - if (/below/.test(pos)) dy = 0; - if (/right/.test(pos)) dx = 0; - if ( /left/.test(pos)) dx = -node.offsetWidth; - } - node.style.left = ""+(p[0]*xunitlength+origin[0]+dx)+"px"; - node.style.top = ""+(height-p[1]*yunitlength-origin[1]+dy)+"px"; - } - return p; - } - var textanchor = "middle"; // regular text goes into SVG - if (pos!=null) { - if (/above/.test(pos)) dy = -fontsize/2; - if (/below/.test(pos)) dy = fontsize-0; - if (/right/.test(pos)) {textanchor = "start"; dx = fontsize/4;} - if ( /left/.test(pos)) {textanchor = "end"; dx = -fontsize/4;} - } - if (id!=null) node = doc.getElementById(id); - if (node==null) { - node = myCreateElementSVG("text"); - node.setAttribute("id", id); - svgpicture.appendChild(node); - node.appendChild(doc.createTextNode(str)); - } - while (node.childNodes.length>1) node.removeChild(node.lastChild); - node.lastChild.nodeValue = "\xA0"+str+"\xA0"; - node.setAttribute("x",p[0]*xunitlength+origin[0]+dx); - node.setAttribute("y",height-p[1]*yunitlength-origin[1]+dy); - node.setAttribute("font-style",(fontsty!=null?fontsty: - (str.search(/^[a-zA-Z]$/)!=-1?"italic":fontstyle))); - node.setAttribute("font-family",fontfamily); - node.setAttribute("font-size",fontsize); - node.setAttribute("font-weight",fontweight); - node.setAttribute("text-anchor",textanchor); - if (fontstroke!="none") node.setAttribute("stroke",fontstroke); - if (fontfill!="none") node.setAttribute("fill",fontfill); - return p; -} - -function mtext(p,st,pos,fontsty,fontsz) { // method for updating text on an svg -// "this" is the text object or the svgpicture object - var textanchor = "middle"; - var dx = 0; var dy = fontsize/3; - if (pos!=null) { - if (pos.slice(0,5)=="above") dy = -fontsize/2; - if (pos.slice(0,5)=="below") dy = fontsize-0; - if (pos.slice(0,5)=="right" || pos.slice(5,10)=="right") { - textanchor = "start"; - dx = fontsize/2; - } - if (pos.slice(0,4)=="left" || pos.slice(5,9)=="left") { - textanchor = "end"; - dx = -fontsize/2; - } - } - var node = this; - if (this.nodeName=="svg") { - node = myCreateElementSVG("text"); - this.appendChild(node); - node.appendChild(doc.createTextNode(st)); - } - node.lastChild.nodeValue = st; - node.setAttribute("x",p[0]+dx); - node.setAttribute("y",p[1]+dy); - node.setAttribute("font-style",(fontsty!=null?fontsty:fontstyle)); - node.setAttribute("font-family",fontfamily); - node.setAttribute("font-size",(fontsz!=null?fontsz:fontsize)); - node.setAttribute("font-weight",fontweight); - node.setAttribute("text-anchor",textanchor); - if (fontstroke!="none") node.setAttribute("stroke",fontstroke); - if (fontfill!="none") node.setAttribute("fill",fontfill); -} - -function image(imgurl,p,w,h,id) { // not working yet - var node; - if (id!=null) node = doc.getElementById(id); - if (node==null) { - node = myCreateElementSVG("image"); - node.setAttribute("id", id); - svgpicture.appendChild(node); - } - node.setAttribute("x",p[0]*xunitlength+origin[0]); - node.setAttribute("y",height-p[1]*yunitlength-origin[1]); - node.setAttribute("width",w); - node.setAttribute("height",h); - node.setAttribute("xlink:href", imgurl); -} - -function ASdot(center,radius,s,f) { // coordinates in units, radius in pixel - if (s==null) s = stroke; if (f==null) f = fill; - var node = myCreateElementSVG("circle"); - node.setAttribute("cx",center[0]*xunitlength+origin[0]); - node.setAttribute("cy",height-center[1]*yunitlength-origin[1]); - node.setAttribute("r",radius); - node.setAttribute("stroke-width", strokewidth); - node.setAttribute("stroke", s); - node.setAttribute("fill", f); - svgpicture.appendChild(node); -} - -function dot(center, typ, label, pos, id) { - var node; - var cx = center[0]*xunitlength+origin[0]; - var cy = height-center[1]*yunitlength-origin[1]; - if (id!=null) node = doc.getElementById(id); - if (typ=="+" || typ=="-" || typ=="|") { - if (node==null) { - node = myCreateElementSVG("path"); - node.setAttribute("id", id); - svgpicture.appendChild(node); - } - if (typ=="+") { - node.setAttribute("d", - " M "+(cx-ticklength)+" "+cy+" L "+(cx+ticklength)+" "+cy+ - " M "+cx+" "+(cy-ticklength)+" L "+cx+" "+(cy+ticklength)); - node.setAttribute("stroke-width", .5); - node.setAttribute("stroke", axesstroke); - } else { - if (typ=="-") node.setAttribute("d", - " M "+(cx-ticklength)+" "+cy+" L "+(cx+ticklength)+" "+cy); - else node.setAttribute("d", - " M "+cx+" "+(cy-ticklength)+" L "+cx+" "+(cy+ticklength)); - node.setAttribute("stroke-width", strokewidth); - node.setAttribute("stroke", stroke); - } - } else { - if (node==null) { - node = myCreateElementSVG("circle"); - node.setAttribute("id", id); - svgpicture.appendChild(node); - } - node.setAttribute("cx",cx); - node.setAttribute("cy",cy); - node.setAttribute("r",dotradius); - node.setAttribute("stroke-width", strokewidth); - node.setAttribute("stroke", stroke); - node.setAttribute("fill", (typ=="open"?"white": - (typ=="closed"?stroke:markerfill))); - } - if (label!=null) - text(center,label,(pos==null?"below":pos),(id==null?id:id+"label")) -} - -point = dot; //alternative name - -function arrowhead(p,q) { // draw arrowhead at q (in units) add size param - var up; - var v = [p[0]*xunitlength+origin[0],height-p[1]*yunitlength-origin[1]]; - var w = [q[0]*xunitlength+origin[0],height-q[1]*yunitlength-origin[1]]; - var u = [w[0]-v[0],w[1]-v[1]]; - var d = Math.sqrt(u[0]*u[0]+u[1]*u[1]); - if (d > 0.00000001) { - u = [u[0]/d, u[1]/d]; - up = [-u[1],u[0]]; - var node = myCreateElementSVG("path"); - node.setAttribute("d","M "+(w[0]-15*u[0]-4*up[0])+" "+ - (w[1]-15*u[1]-4*up[1])+" L "+(w[0]-3*u[0])+" "+(w[1]-3*u[1])+" L "+ - (w[0]-15*u[0]+4*up[0])+" "+(w[1]-15*u[1]+4*up[1])+" z"); - node.setAttribute("stroke-width", markerstrokewidth); - node.setAttribute("stroke", stroke); /* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ - node.setAttribute("fill", stroke); /* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ - node.setAttribute("stroke-opacity", strokeopacity); - node.setAttribute("fill-opacity", fillopacity); - svgpicture.appendChild(node); - } -} - -function chopZ(st) { - var k = st.indexOf("."); - if (k==-1) return st; - for (var i=st.length-1; i>k && st.charAt(i)=="0"; i--); - if (i==k) i--; - return st.slice(0,i+1); -} - -function grid(dx,dy) { // for backward compatibility - axes(dx,dy,null,dx,dy) -} - -function noaxes() { - if (!initialized) initPicture(); -} - -function axes(dx,dy,labels,gdx,gdy) { -//xscl=x is equivalent to xtick=x; xgrid=x; labels=true; - var x, y, ldx, ldy, lx, ly, lxp, lyp, pnode, st; - if (!initialized) initPicture(); - if (typeof dx=="string") { labels = dx; dx = null; } - if (typeof dy=="string") { gdx = dy; dy = null; } - if (xscl!=null) {dx = xscl; gdx = xscl; labels = dx} - if (yscl!=null) {dy = yscl; gdy = yscl} - if (xtick!=null) {dx = xtick} - if (ytick!=null) {dy = ytick} - dx = (dx==null?xunitlength:dx*xunitlength); - dy = (dy==null?dx:dy*yunitlength); - fontsize = Math.min(dx/2,dy/2,16); //alert(fontsize) - ticklength = fontsize/4; - if (xgrid!=null) gdx = xgrid; - if (ygrid!=null) gdy = ygrid; - if (gdx!=null) { - gdx = (typeof gdx=="string"?dx:gdx*xunitlength); - gdy = (gdy==null?dy:gdy*yunitlength); - pnode = myCreateElementSVG("path"); - st=""; - for (x = origin[0]; x<width; x = x+gdx) - st += " M"+x+",0"+" "+x+","+height; - for (x = origin[0]-gdx; x>0; x = x-gdx) - st += " M"+x+",0"+" "+x+","+height; - for (y = height-origin[1]; y<height; y = y+gdy) - st += " M0,"+y+" "+width+","+y; - for (y = height-origin[1]-gdy; y>0; y = y-gdy) - st += " M0,"+y+" "+width+","+y; - pnode.setAttribute("d",st); - pnode.setAttribute("stroke-width", .5); - pnode.setAttribute("stroke", gridstroke); - pnode.setAttribute("fill", fill); - svgpicture.appendChild(pnode); - } - pnode = myCreateElementSVG("path"); - st="M0,"+(height-origin[1])+" "+width+","+ - (height-origin[1])+" M"+origin[0]+",0 "+origin[0]+","+height; - for (x = origin[0]+dx; x<width; x = x+dx) - st += " M"+x+","+(height-origin[1]+ticklength)+" "+x+","+ - (height-origin[1]-ticklength); - for (x = origin[0]-dx; x>0; x = x-dx) - st += " M"+x+","+(height-origin[1]+ticklength)+" "+x+","+ - (height-origin[1]-ticklength); - for (y = height-origin[1]+dy; y<height; y = y+dy) - st += " M"+(origin[0]+ticklength)+","+y+" "+(origin[0]-ticklength)+","+y; - for (y = height-origin[1]-dy; y>0; y = y-dy) - st += " M"+(origin[0]+ticklength)+","+y+" "+(origin[0]-ticklength)+","+y; - if (labels!=null) with (Math) { - ldx = dx/xunitlength; - ldy = dy/yunitlength; - lx = (xmin>0 || xmax<0?xmin:0); - ly = (ymin>0 || ymax<0?ymin:0); - lxp = (ly==0?"below":"above"); - lyp = (lx==0?"left":"right"); - var ddx = floor(1.1-log(ldx)/log(10))+1; - var ddy = floor(1.1-log(ldy)/log(10))+1; - for (x = ldx; x<=xmax; x = x+ldx) - text([x,ly],chopZ(x.toFixed(ddx)),lxp); - for (x = -ldx; xmin<=x; x = x-ldx) - text([x,ly],chopZ(x.toFixed(ddx)),lxp); - for (y = ldy; y<=ymax; y = y+ldy) - text([lx,y],chopZ(y.toFixed(ddy)),lyp); - for (y = -ldy; ymin<=y; y = y-ldy) - text([lx,y],chopZ(y.toFixed(ddy)),lyp); - } - fontsize = defaultfontsize; - pnode.setAttribute("d",st); - pnode.setAttribute("stroke-width", .5); - pnode.setAttribute("stroke", axesstroke); - pnode.setAttribute("fill", fill); - pnode.setAttribute("stroke-opacity", strokeopacity); - pnode.setAttribute("fill-opacity", fillopacity); - svgpicture.appendChild(pnode); -} - -function mathjs(st) { - //translate a math formula to js function notation - // a^b --> pow(a,b) - // na --> n*a - // (...)d --> (...)*d - // n! --> factorial(n) - // sin^-1 --> arcsin etc. - //while ^ in string, find term on left and right - //slice and concat new formula string - st = st.replace(/\s/g,""); - if (st.indexOf("^-1")!=-1) { - st = st.replace(/sin\^-1/g,"arcsin"); - st = st.replace(/cos\^-1/g,"arccos"); - st = st.replace(/tan\^-1/g,"arctan"); - st = st.replace(/sec\^-1/g,"arcsec"); - st = st.replace(/csc\^-1/g,"arccsc"); - st = st.replace(/cot\^-1/g,"arccot"); - st = st.replace(/sinh\^-1/g,"arcsinh"); - st = st.replace(/cosh\^-1/g,"arccosh"); - st = st.replace(/tanh\^-1/g,"arctanh"); - st = st.replace(/sech\^-1/g,"arcsech"); - st = st.replace(/csch\^-1/g,"arccsch"); - st = st.replace(/coth\^-1/g,"arccoth"); - } - st = st.replace(/^e$/g,"(Math.E)"); - st = st.replace(/^e([^a-zA-Z])/g,"(Math.E)$1"); - st = st.replace(/([^a-zA-Z])e/g,"$1(Math.E)"); -// st = st.replace(/([^a-zA-Z])e([^a-zA-Z])/g,"$1(Math.E)$2"); - st = st.replace(/([0-9])([\(a-zA-Z])/g,"$1*$2"); - st = st.replace(/\)([\(0-9a-zA-Z])/g,"\)*$1"); - var i,j,k, ch, nested; - while ((i=st.indexOf("^"))!=-1) { - //find left argument - if (i==0) return "Error: missing argument"; - j = i-1; - ch = st.charAt(j); - if (ch>="0" && ch<="9") {// look for (decimal) number - j--; - while (j>=0 && (ch=st.charAt(j))>="0" && ch<="9") j--; - if (ch==".") { - j--; - while (j>=0 && (ch=st.charAt(j))>="0" && ch<="9") j--; - } - } else if (ch==")") {// look for matching opening bracket and function name - nested = 1; - j--; - while (j>=0 && nested>0) { - ch = st.charAt(j); - if (ch=="(") nested--; - else if (ch==")") nested++; - j--; - } - while (j>=0 && (ch=st.charAt(j))>="a" && ch<="z" || ch>="A" && ch<="Z") - j--; - } else if (ch>="a" && ch<="z" || ch>="A" && ch<="Z") {// look for variable - j--; - while (j>=0 && (ch=st.charAt(j))>="a" && ch<="z" || ch>="A" && ch<="Z") - j--; - } else { - return "Error: incorrect syntax in "+st+" at position "+j; - } - //find right argument - if (i==st.length-1) return "Error: missing argument"; - k = i+1; - ch = st.charAt(k); - if (ch>="0" && ch<="9" || ch=="-") {// look for signed (decimal) number - k++; - while (k<st.length && (ch=st.charAt(k))>="0" && ch<="9") k++; - if (ch==".") { - k++; - while (k<st.length && (ch=st.charAt(k))>="0" && ch<="9") k++; - } - } else if (ch=="(") {// look for matching closing bracket and function name - nested = 1; - k++; - while (k<st.length && nested>0) { - ch = st.charAt(k); - if (ch=="(") nested++; - else if (ch==")") nested--; - k++; - } - } else if (ch>="a" && ch<="z" || ch>="A" && ch<="Z") {// look for variable - k++; - while (k<st.length && (ch=st.charAt(k))>="a" && ch<="z" || - ch>="A" && ch<="Z") k++; - } else { - return "Error: incorrect syntax in "+st+" at position "+k; - } - st = st.slice(0,j+1)+"Math.pow("+st.slice(j+1,i)+","+st.slice(i+1,k)+")"+ - st.slice(k); - } - while ((i=st.indexOf("!"))!=-1) { - //find left argument - if (i==0) return "Error: missing argument"; - j = i-1; - ch = st.charAt(j); - if (ch>="0" && ch<="9") {// look for (decimal) number - j--; - while (j>=0 && (ch=st.charAt(j))>="0" && ch<="9") j--; - if (ch==".") { - j--; - while (j>=0 && (ch=st.charAt(j))>="0" && ch<="9") j--; - } - } else if (ch==")") {// look for matching opening bracket and function name - nested = 1; - j--; - while (j>=0 && nested>0) { - ch = st.charAt(j); - if (ch=="(") nested--; - else if (ch==")") nested++; - j--; - } - while (j>=0 && (ch=st.charAt(j))>="a" && ch<="z" || ch>="A" && ch<="Z") - j--; - } else if (ch>="a" && ch<="z" || ch>="A" && ch<="Z") {// look for variable - j--; - while (j>=0 && (ch=st.charAt(j))>="a" && ch<="z" || ch>="A" && ch<="Z") - j--; - } else { - return "Error: incorrect syntax in "+st+" at position "+j; - } - st = st.slice(0,j+1)+"factorial("+st.slice(j+1,i)+")"+st.slice(i+1); - } - return st; -} - -function plot(fun,x_min,x_max,points,id,endpts) { - var pth = []; - var f = function(x) { return x }, g = fun; - var name = null; - if (typeof fun=="string") - eval("g = function(x){ with(Math) return "+mathjs(fun)+" }"); - else if (typeof fun=="object") { - eval("f = function(t){ with(Math) return "+mathjs(fun[0])+" }"); - eval("g = function(t){ with(Math) return "+mathjs(fun[1])+" }"); - } - if (typeof x_min=="string") { name = x_min; x_min = xmin } - else name = id; - var min = (x_min==null?xmin:x_min); - var max = (x_max==null?xmax:x_max); - var inc = max-min-0.000001*(max-min); - inc = (points==null?inc/200:inc/points); - var gt; -//alert(typeof g(min)) - for (var t = min; t <= max; t += inc) { - gt = g(t); - if (!(isNaN(gt)||Math.abs(gt)=="Infinity")) pth[pth.length] = [f(t), gt]; - } - path(pth,name,null,endpts); - return pth; -} - -// make polar plot - -// make Riemann sums - -function slopefield(fun,dx,dy) { - var g = fun; - if (typeof fun=="string") - eval("g = function(x,y){ with(Math) return "+mathjs(fun)+" }"); - var gxy,x,y,u,v,dz; - if (dx==null) dx=1; - if (dy==null) dy=1; - dz = Math.sqrt(dx*dx+dy*dy)/6; - var x_min = Math.ceil(xmin/dx); - var y_min = Math.ceil(ymin/dy); - for (x = x_min; x <= xmax; x += dx) - for (y = y_min; y <= ymax; y += dy) { - gxy = g(x,y); - if (!isNaN(gxy)) { - if (Math.abs(gxy)=="Infinity") {u = 0; v = dz;} - else {u = dz/Math.sqrt(1+gxy*gxy); v = gxy*u;} - line([x-u,y-v],[x+u,y+v]); - } - } -} - -///////////////////////user graphics commands end here///////////////////////// - -function show_props(obj) { - var result = ""; - for (var i=0; i< obj.childNodes.length; i++) - result += obj.childNodes.item(i) + "\n"; - return result; -} - -function displayCoord(evt) { - if (showcoordinates) { - var svgroot = evt.target.parentNode; - var nl = svgroot.childNodes; - for (var i=0; i<nl.length && nl.item(i).nodeName!="text"; i++); - var cnode = nl.item(i); - cnode.mtext = mtext; - cnode.mtext([svgroot.getAttribute("width")-(-7),svgroot.getAttribute("height")-7],"("+getX(evt).toFixed(2)+", "+getY(evt).toFixed(2)+")", "left", "", "11"); -/* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ } -} - -function removeCoord(evt) { - var svgroot = evt.target.parentNode; - var nl = svgroot.childNodes; - for (var i=0; i<nl.length && nl.item(i).nodeName!="text"; i++); - var cnode = nl.item(i); - cnode.mtext = mtext; - cnode.mtext([svgroot.getAttribute("width")-0,svgroot.getAttribute("height")-0],"", "aboveleft", ""); -/* ASCIIMathML.js - copyright Peter Jipsen, released under the GPL -See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */} - -function initASCIIMathCalculators(li) { - var i; - for (i=0; i<li.length; i++) { - li[i].innerHTML = calcstr; - AMprocessNode(li[i]); - } - li = document.getElementsByTagName("textarea"); - var st; - for (i=0; i<li.length; i++) { - st = li[i].getAttribute("onkeyup"); - if (st!=null) eval(String(st).replace(/function anonymous\(\)/,"")); - } -} - -function calculate(inputId,outputId) { - var str = document.getElementById(inputId).value; - var err = ""; - var ind = str.lastIndexOf("\n"); - if (ind==str.length-1) str = str.slice(0,ind); - str = str.slice(str.lastIndexOf("\n")+1); - try { - var res = eval(mathjs(str)); - } catch(e) { - err = "syntax incomplete"; - } - if (!isNaN(res) && res!="Infinity") - str = "`"+str+" =` "+(Math.abs(res-Math.round(res*1000000)/1000000)<1e-15?Math.round(res*1000000)/1000000:res)+err; - else if (str!="") str = "`"+str+"` = undefined"; //debug:+mathjs(str); - var outnode = document.getElementById(outputId); - var n = outnode.childNodes.length; - for (var i=0; i<n; i++) - outnode.removeChild(outnode.firstChild); - outnode.appendChild(document.createTextNode(str)); - AMprocessNode(outnode); -} - -function append(st){ - document.getElementById('in').value+=st; - calculate('in','out'); - document.getElementById('in').scrollTop = 1000; - document.getElementById('in').focus(); -} - -function clearTextArea(){ - document.getElementById('in').value=""; - calculate('in','out'); - document.getElementById('in').focus(); -} - -var calcstr = "<table align=\"center\">\n<tr><th>\nASCIIMath Scientific Calculator\n</th></tr>\n<tr><td>\nClick in the box to use your keyboard or use the buttons\n</td></tr>\n<tr><td>\n<textarea id=\"in\" rows=\"3\" cols=\"40\" onkeyup=\"calculate('in','out')\"></textarea></td></tr>\n<tr><td height=\"50\">Result: <span id=\"out\"></span></td></tr>\n</table>\n<table align=\"center\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody align=\"center\">\n<tr>\n<td colspan=\"4\">\n<button onclick=\"append('sin^-1(')\"><font size=2>`sin^-1`</font></button><button onclick=\"append('cos^-1(')\"><font size=2>`cos^-1`</font></button><button onclick=\"append('tan^-1(')\"><font size=2>`tan^-1`</font></button></td>\n<td><button onclick=\"clearTextArea()\"> `C` </button></td>\n\n</tr>\n<tr>\n<td><button onclick=\"append('pi')\"> `pi` </button></td>\n<td><button onclick=\"append('sin(')\"> `sin`</button></td>\n<td><button onclick=\"append('cos(')\"> `cos`</button></td>\n<td><button onclick=\"append('tan(')\"> `tan`</button></td>\n<td><button onclick=\"append('^')\">`x^y`</button></td>\n</tr>\n<tr>\n<td><button onclick=\"append('!')\"> `!` </button></td>\n\n<td><button onclick=\"append('(')\"><font size=2> `(` </font></button></td>\n<td><button onclick=\"append(')')\"><font size=2> `)` </font></button></td>\n<td><button onclick=\"append('sqrt(')\"><font size=2>`sqrt({::}^\ )`</font></button></td>\n<td><button onclick=\"append('/')\"> `-:\ `</button></td>\n</tr>\n<tr>\n<td><button onclick=\"append('log(')\">`log`</button></td>\n<td><button onclick=\"append('7')\"> `7` </button></td>\n<td><button onclick=\"append('8')\"> `8` </button></td>\n\n<td><button onclick=\"append('9')\"> `9` </button></td>\n<td><button onclick=\"append('*')\"> `times` </button></td>\n</tr>\n<tr>\n<td><button onclick=\"append('ln(')\"> `ln` </button></td>\n<td><button onclick=\"append('4')\"> `4` </button></td>\n<td><button onclick=\"append('5')\"> `5` </button></td>\n<td><button onclick=\"append('6')\"> `6` </button></td>\n\n<td><button onclick=\"append('-')\"> `-{::}` </button></td>\n</tr>\n<tr>\n<td><button onclick=\"append('e')\"> `e` </button></td>\n<td><button onclick=\"append('1')\"> `1` </button></td>\n<td><button onclick=\"append('2')\"> `2` </button></td>\n<td><button onclick=\"append('3')\"> `3` </button></td>\n<td><button onclick=\"append('+')\"> `+{::}` </button></td>\n\n</tr>\n<tr>\n<td> <!--button onclick=\"append('pi')\"> `pi` </button--></td>\n<td><button onclick=\"append('0')\"> `0` </button></td>\n<td><button onclick=\"append('.')\"> `.` </button></td>\n<td><button onclick=\"append('\\n')\"> `\"ent\"`</button></td>\n</tr>\n</tbody>\n</table>"; - -// GO1.1 Generic onload by Brothercake -// http://www.brothercake.com/ -//onload function (replaces the onload="translate()" in the <body> tag) -function generic() -{ - if(!init()) return; - if (translateOnLoad) { - var nd = document.getElementById("processasciimathinmoodle"); - if (nd!=null) dsvglocation = nd.className; - if (nd!=null || !checkforprocessasciimathinmoodle) { - translate(); - if (!noSVG && translateASCIIsvg) drawPictures(); - } - var li = getElementsByClass(document,"div","ASCIIMathCalculator"); - if (!noMathML && li.length>0) initASCIIMathCalculators(li); - } -}; -//setup onload function -if(typeof window.addEventListener != 'undefined') -{ - //.. gecko, safari, konqueror and standard - window.addEventListener('load', generic, false); -} -else if(typeof document.addEventListener != 'undefined') -{ - //.. opera 7 - document.addEventListener('load', generic, false); -} -else if(typeof window.attachEvent != 'undefined') -{ - //.. win/ie - window.attachEvent('onload', generic); -} -//** remove this condition to degrade older browsers + See http://www1.chapman.edu/~jipsen/mathml/asciimath.html/ */ +var mathcolor="";var mathfontsize="1em";var mathfontfamily="serif";var automathrecognize=false;var checkForMathML=true;var notifyIfNoMathML=true;var alertIfNoMathML=false;var translateOnLoad=true;var translateLaTeX=true;var translateLaTeXformatting=true;var translateASCIIMath=true;var translateASCIIsvg=true;var avoidinnerHTML=false;var displaystyle=true;var showasciiformulaonhover=true;var decimalsign=".";var AMdelimiter1="`",AMescape1="\\\\`";var AMdocumentId="wikitext" +var checkforprocessasciimathinmoodle=false;var dsvglocation="";var isIE=document.createElementNS==null;var noMathML=false,translated=false;if(isIE){document.write("<object id=\"mathplayer\"\ + classid=\"clsid:32F66A20-7614-11D4-BD11-00104BD3F987\"></object>");document.write("<?import namespace=\"m\" implementation=\"#mathplayer\"?>");} +function setStylesheet(s){var id="AMMLcustomStyleSheet";var n=document.getElementById(id);if(document.createStyleSheet){if(n) +n.parentNode.removeChild(n);document.getElementsByTagName("head")[0].insertAdjacentHTML("beforeEnd"," <style id='"+id+"'>"+s+"</style>");}else{if(n){n.replaceChild(document.createTextNode(s),n.firstChild);}else{n=document.createElement("style");n.type="text/css";n.id=id;n.appendChild(document.createTextNode(s));document.getElementsByTagName("head")[0].appendChild(n);}}} +setStylesheet("#AMMLcloseDiv \{font-size:0.8em; padding-top:1em; color:#014\}\n#AMMLwarningBox \{position:absolute; width:100%; top:0; left:0; z-index:200; text-align:center; font-size:1em; font-weight:bold; padding:0.5em 0 0.5em 0; color:#ffc; background:#c30\}");function init(){var msg,warnings=new Array();if(document.getElementById==null){alert("This webpage requires a recent browser such as Mozilla Firefox/Netscape 7+ or Internet Explorer 6+ with MathPlayer and Adobe SVGviewer");return null;} +if(checkForMathML&&(msg=checkMathML()))warnings.push(msg);if(checkIfSVGavailable&&(msg=checkSVG()))warnings.push(msg);if(warnings.length>0)displayWarnings(warnings);if(!noMathML)initSymbols();return true;} +function checkMathML(){if(navigator.appName.slice(0,8)=="Netscape") +if(navigator.appVersion.slice(0,1)>="5")noMathML=null;else noMathML=true;else if(navigator.appName.slice(0,9)=="Microsoft") +try{var ActiveX=new ActiveXObject("MathPlayer.Factory.1");noMathML=null;}catch(e){noMathML=true;} +else noMathML=true;if(noMathML&¬ifyIfNoMathML){var msg="To view the ASCIIMathML notation use Internet Explorer + MathPlayer or Mozilla Firefox 2.0 or later.";if(alertIfNoMathML) +alert(msg);else return msg;}} +function hideWarning(){var body=document.getElementsByTagName("body")[0];body.removeChild(document.getElementById('AMMLwarningBox'));body.onclick=null;} +function displayWarnings(warnings){var i,frag,nd=createElementXHTML("div");var body=document.getElementsByTagName("body")[0];body.onclick=hideWarning;nd.id='AMMLwarningBox';for(i=0;i<warnings.length;i++){frag=createElementXHTML("div");frag.appendChild(document.createTextNode(warnings[i]));frag.style.paddingBottom="1.0em";nd.appendChild(frag);} +nd.appendChild(createElementXHTML("p"));nd.appendChild(document.createTextNode("For instructions see the "));var 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symbol,node,result,i,st,newFrag=document.createDocumentFragment();str=AMremoveCharsAndBlanks(str,0);symbol=AMgetSymbol(str);if(symbol==null||symbol.ttype==RIGHTBRACKET&&AMnestingDepth>0){return[null,str];} +if(symbol.ttype==DEFINITION){str=symbol.output+AMremoveCharsAndBlanks(str,symbol.input.length);symbol=AMgetSymbol(str);} +switch(symbol.ttype){case UNDEROVER:case CONST:str=AMremoveCharsAndBlanks(str,symbol.input.length);return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str];case LEFTBRACKET:AMnestingDepth++;str=AMremoveCharsAndBlanks(str,symbol.input.length);result=AMparseExpr(str,true);AMnestingDepth--;if(typeof symbol.invisible=="boolean"&&symbol.invisible) +node=createMmlNode("mrow",result[0]);else{node=createMmlNode("mo",document.createTextNode(symbol.output));node=createMmlNode("mrow",node);node.appendChild(result[0]);} +return[node,result[1]];case TEXT:if(symbol!=AMquote)str=AMremoveCharsAndBlanks(str,symbol.input.length);if(str.charAt(0)=="{")i=str.indexOf("}");else if(str.charAt(0)=="(")i=str.indexOf(")");else if(str.charAt(0)=="[")i=str.indexOf("]");else if(symbol==AMquote)i=str.slice(1).indexOf("\"")+1;else i=0;if(i==-1)i=str.length;st=str.slice(1,i);if(st.charAt(0)==" "){node=createMmlNode("mspace");node.setAttribute("width","1ex");newFrag.appendChild(node);} +newFrag.appendChild(createMmlNode(symbol.tag,document.createTextNode(st)));if(st.charAt(st.length-1)==" "){node=createMmlNode("mspace");node.setAttribute("width","1ex");newFrag.appendChild(node);} +str=AMremoveCharsAndBlanks(str,i+1);return[createMmlNode("mrow",newFrag),str];case UNARY:str=AMremoveCharsAndBlanks(str,symbol.input.length);result=AMparseSexpr(str);if(result[0]==null)return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str];if(typeof symbol.func=="boolean"&&symbol.func){st=str.charAt(0);if(st=="^"||st=="_"||st=="/"||st=="|"||st==","){return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str];}else{node=createMmlNode("mrow",createMmlNode(symbol.tag,document.createTextNode(symbol.output)));node.appendChild(result[0]);return[node,result[1]];}} +AMremoveBrackets(result[0]);if(symbol.input=="sqrt"){return[createMmlNode(symbol.tag,result[0]),result[1]];}else if(typeof symbol.acc=="boolean"&&symbol.acc){node=createMmlNode(symbol.tag,result[0]);node.appendChild(createMmlNode("mo",document.createTextNode(symbol.output)));return[node,result[1]];}else{if(!isIE&&typeof symbol.codes!="undefined"){for(i=0;i<result[0].childNodes.length;i++) +if(result[0].childNodes[i].nodeName=="mi"||result[0].nodeName=="mi"){st=(result[0].nodeName=="mi"?result[0].firstChild.nodeValue:result[0].childNodes[i].firstChild.nodeValue);var newst=[];for(var j=0;j<st.length;j++) +if(st.charCodeAt(j)>64&&st.charCodeAt(j)<91)newst=newst+ +String.fromCharCode(symbol.codes[st.charCodeAt(j)-65]);else newst=newst+st.charAt(j);if(result[0].nodeName=="mi") +result[0]=createMmlNode("mo").appendChild(document.createTextNode(newst));else result[0].replaceChild(createMmlNode("mo").appendChild(document.createTextNode(newst)),result[0].childNodes[i]);}} +node=createMmlNode(symbol.tag,result[0]);node.setAttribute(symbol.atname,symbol.atval);return[node,result[1]];} +case BINARY:str=AMremoveCharsAndBlanks(str,symbol.input.length);result=AMparseSexpr(str);if(result[0]==null)return[createMmlNode("mo",document.createTextNode(symbol.input)),str];AMremoveBrackets(result[0]);var result2=AMparseSexpr(result[1]);if(result2[0]==null)return[createMmlNode("mo",document.createTextNode(symbol.input)),str];AMremoveBrackets(result2[0]);if(symbol.input=="root"||symbol.input=="stackrel") +newFrag.appendChild(result2[0]);newFrag.appendChild(result[0]);if(symbol.input=="frac")newFrag.appendChild(result2[0]);return[createMmlNode(symbol.tag,newFrag),result2[1]];case INFIX:str=AMremoveCharsAndBlanks(str,symbol.input.length);return[createMmlNode("mo",document.createTextNode(symbol.output)),str];case SPACE:str=AMremoveCharsAndBlanks(str,symbol.input.length);node=createMmlNode("mspace");node.setAttribute("width","1ex");newFrag.appendChild(node);newFrag.appendChild(createMmlNode(symbol.tag,document.createTextNode(symbol.output)));node=createMmlNode("mspace");node.setAttribute("width","1ex");newFrag.appendChild(node);return[createMmlNode("mrow",newFrag),str];case LEFTRIGHT:AMnestingDepth++;str=AMremoveCharsAndBlanks(str,symbol.input.length);result=AMparseExpr(str,false);AMnestingDepth--;var st="";if(result[0].lastChild!=null) +st=result[0].lastChild.firstChild.nodeValue;if(st=="|"){node=createMmlNode("mo",document.createTextNode(symbol.output));node=createMmlNode("mrow",node);node.appendChild(result[0]);return[node,result[1]];}else{node=createMmlNode("mo",document.createTextNode("\u2223"));node=createMmlNode("mrow",node);return[node,str];} +default:str=AMremoveCharsAndBlanks(str,symbol.input.length);return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str];}} +function AMparseIexpr(str){var symbol,sym1,sym2,node,result,underover;str=AMremoveCharsAndBlanks(str,0);sym1=AMgetSymbol(str);result=AMparseSexpr(str);node=result[0];str=result[1];symbol=AMgetSymbol(str);if(symbol.ttype==INFIX&&symbol.input!="/"){str=AMremoveCharsAndBlanks(str,symbol.input.length);result=AMparseSexpr(str);if(result[0]==null) +result[0]=createMmlNode("mo",document.createTextNode("\u25A1"));else AMremoveBrackets(result[0]);str=result[1];if(symbol.input=="_"){sym2=AMgetSymbol(str);underover=(sym1.ttype==UNDEROVER);if(sym2.input=="^"){str=AMremoveCharsAndBlanks(str,sym2.input.length);var res2=AMparseSexpr(str);AMremoveBrackets(res2[0]);str=res2[1];node=createMmlNode((underover?"munderover":"msubsup"),node);node.appendChild(result[0]);node.appendChild(res2[0]);node=createMmlNode("mrow",node);}else{node=createMmlNode((underover?"munder":"msub"),node);node.appendChild(result[0]);}}else{node=createMmlNode(symbol.tag,node);node.appendChild(result[0]);}} +return[node,str];} +function AMparseExpr(str,rightbracket){var symbol,node,result,i,nodeList=[],newFrag=document.createDocumentFragment();do{str=AMremoveCharsAndBlanks(str,0);result=AMparseIexpr(str);node=result[0];str=result[1];symbol=AMgetSymbol(str);if(symbol.ttype==INFIX&&symbol.input=="/"){str=AMremoveCharsAndBlanks(str,symbol.input.length);result=AMparseIexpr(str);if(result[0]==null) +result[0]=createMmlNode("mo",document.createTextNode("\u25A1"));else AMremoveBrackets(result[0]);str=result[1];AMremoveBrackets(node);node=createMmlNode(symbol.tag,node);node.appendChild(result[0]);newFrag.appendChild(node);symbol=AMgetSymbol(str);} +else if(node!=undefined)newFrag.appendChild(node);}while((symbol.ttype!=RIGHTBRACKET&&(symbol.ttype!=LEFTRIGHT||rightbracket)||AMnestingDepth==0)&&symbol!=null&&symbol.output!="");if(symbol.ttype==RIGHTBRACKET||symbol.ttype==LEFTRIGHT){var len=newFrag.childNodes.length;if(len>0&&newFrag.childNodes[len-1].nodeName=="mrow"&&len>1&&newFrag.childNodes[len-2].nodeName=="mo"&&newFrag.childNodes[len-2].firstChild.nodeValue==","){var right=newFrag.childNodes[len-1].lastChild.firstChild.nodeValue;if(right==")"||right=="]"){var left=newFrag.childNodes[len-1].firstChild.firstChild.nodeValue;if(left=="("&&right==")"&&symbol.output!="}"||left=="["&&right=="]"){var pos=[];var matrix=true;var m=newFrag.childNodes.length;for(i=0;matrix&&i<m;i=i+2){pos[i]=[];node=newFrag.childNodes[i];if(matrix)matrix=node.nodeName=="mrow"&&(i==m-1||node.nextSibling.nodeName=="mo"&&node.nextSibling.firstChild.nodeValue==",")&&node.firstChild.firstChild.nodeValue==left&&node.lastChild.firstChild.nodeValue==right;if(matrix) +for(var j=0;j<node.childNodes.length;j++) +if(node.childNodes[j].firstChild.nodeValue==",") +pos[i][pos[i].length]=j;if(matrix&&i>1)matrix=pos[i].length==pos[i-2].length;} +if(matrix){var row,frag,n,k,table=document.createDocumentFragment();for(i=0;i<m;i=i+2){row=document.createDocumentFragment();frag=document.createDocumentFragment();node=newFrag.firstChild;n=node.childNodes.length;k=0;node.removeChild(node.firstChild);for(j=1;j<n-1;j++){if(typeof pos[i][k]!="undefined"&&j==pos[i][k]){node.removeChild(node.firstChild);row.appendChild(createMmlNode("mtd",frag));k++;}else frag.appendChild(node.firstChild);} +row.appendChild(createMmlNode("mtd",frag));if(newFrag.childNodes.length>2){newFrag.removeChild(newFrag.firstChild);newFrag.removeChild(newFrag.firstChild);} +table.appendChild(createMmlNode("mtr",row));} +node=createMmlNode("mtable",table);if(typeof symbol.invisible=="boolean"&&symbol.invisible)node.setAttribute("columnalign","left");newFrag.replaceChild(node,newFrag.firstChild);}}}} +str=AMremoveCharsAndBlanks(str,symbol.input.length);if(typeof symbol.invisible!="boolean"||!symbol.invisible){node=createMmlNode("mo",document.createTextNode(symbol.output));newFrag.appendChild(node);}} +return[newFrag,str];} +function parseMath(str,latex){var frag,node;AMnestingDepth=0;frag=latex?LMparseExpr(str.replace(/^\s+/g,""),false,false)[0]:AMparseExpr(str.replace(/^\s+/g,""),false)[0];node=createMmlNode("mstyle",frag);node.setAttribute("mathcolor",mathcolor);node.setAttribute("fontfamily",mathfontfamily);node.setAttribute("mathsize",mathfontsize);if(displaystyle)node.setAttribute("displaystyle","true");node=createMmlNode("math",node);if(showasciiformulaonhover) +node.setAttribute("title",str.replace(/\s+/g," "));return node;} +function strarr2docFrag(arr,linebreaks,latex){var newFrag=document.createDocumentFragment();var expr=false;for(var i=0;i<arr.length;i++){if(expr)newFrag.appendChild(parseMath(arr[i],latex));else{var arri=(linebreaks?arr[i].split("\n\n"):[arr[i]]);newFrag.appendChild(createElementXHTML("span").appendChild(document.createTextNode(arri[0])));for(var j=1;j<arri.length;j++){newFrag.appendChild(createElementXHTML("p"));newFrag.appendChild(createElementXHTML("span").appendChild(document.createTextNode(arri[j])));}} +expr=!expr;} +return newFrag;} +function AMautomathrec(str){var texcommand="\\\\[a-zA-Z]+|\\\\\\s|";var ambigAMtoken="\\b(?:oo|lim|ln|int|oint|del|grad|aleph|prod|prop|sinh|cosh|tanh|cos|sec|pi|tt|fr|sf|sube|supe|sub|sup|det|mod|gcd|lcm|min|max|vec|ddot|ul|chi|eta|nu|mu)(?![a-z])|";var englishAMtoken="\\b(?:sum|ox|log|sin|tan|dim|hat|bar|dot)(?![a-z])|";var secondenglishAMtoken="|\\bI\\b|\\bin\\b|\\btext\\b";var simpleAMtoken="NN|ZZ|QQ|RR|CC|TT|AA|EE|sqrt|dx|dy|dz|dt|xx|vv|uu|nn|bb|cc|csc|cot|alpha|beta|delta|Delta|epsilon|gamma|Gamma|kappa|lambda|Lambda|omega|phi|Phi|Pi|psi|Psi|rho|sigma|Sigma|tau|theta|Theta|xi|Xi|zeta";var letter="[a-zA-HJ-Z](?=(?:[^a-zA-Z]|$|"+ambigAMtoken+englishAMtoken+simpleAMtoken+"))|";var token=letter+texcommand+"\\d+|[-()[\\]{}+=*&^_%\\\@/<>,\\|!:;'~]|\\.(?!(?:\x20|$))|"+ambigAMtoken+englishAMtoken+simpleAMtoken;var re=new RegExp("(^|\\s)((("+token+")\\s?)(("+token+secondenglishAMtoken+")\\s?)+)([,.?]?(?=\\s|$))","g");str=str.replace(re," `$2`$7");var arr=str.split(AMdelimiter1);var re1=new RegExp("(^|\\s)([b-zB-HJ-Z+*<>]|"+texcommand+ambigAMtoken+simpleAMtoken+")(\\s|\\n|$)","g");var re2=new RegExp("(^|\\s)([a-z]|"+texcommand+ambigAMtoken+simpleAMtoken+")([,.])","g");for(i=0;i<arr.length;i++) +if(i%2==0){arr[i]=arr[i].replace(re1," `$2`$3");arr[i]=arr[i].replace(re2," `$2`$3");arr[i]=arr[i].replace(/([{}[\]])/,"`$1`");} +str=arr.join(AMdelimiter1);str=str.replace(/((^|\s)\([a-zA-Z]{2,}.*?)\)`/g,"$1`)");str=str.replace(/`(\((a\s|in\s))(.*?[a-zA-Z]{2,}\))/g,"$1`$3");str=str.replace(/\sin`/g,"` in");str=str.replace(/`(\(\w\)[,.]?(\s|\n|$))/g,"$1`");str=str.replace(/`([0-9.]+|e.g|i.e)`(\.?)/gi,"$1$2");str=str.replace(/`([0-9.]+:)`/g,"$1");return str;} +function processNodeR(n,linebreaks,latex){var mtch,str,arr,frg,i;if(n.childNodes.length==0){if((n.nodeType!=8||linebreaks)&&n.parentNode.nodeName!="form"&&n.parentNode.nodeName!="FORM"&&n.parentNode.nodeName!="textarea"&&n.parentNode.nodeName!="TEXTAREA"){str=n.nodeValue;if(!(str==null)){str=str.replace(/\r\n\r\n/g,"\n\n");str=str.replace(/\x20+/g," ");str=str.replace(/\s*\r\n/g," ");if(latex){mtch=(str.indexOf("\$")==-1?false:true);str=str.replace(/([^\\])\$/g,"$1 \$");str=str.replace(/^\$/," \$");arr=str.split(" \$");for(i=0;i<arr.length;i++) +arr[i]=arr[i].replace(/\\\$/g,"\$");}else{mtch=false;str=str.replace(new RegExp(AMescape1,"g"),function(){mtch=true;return"AMescape1"});str=str.replace(/\\?end{?a?math}?/i,function(){automathrecognize=false;mtch=true;return""});str=str.replace(/amath\b|\\begin{a?math}/i,function(){automathrecognize=true;mtch=true;return""});arr=str.split(AMdelimiter1);if(automathrecognize) +for(i=0;i<arr.length;i++) 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LMnames=[];function LMremoveCharsAndBlanks(str,n){var st;st=str.slice(n);for(var i=0;i<st.length&&st.charCodeAt(i)<=32;i=i+1);return st.slice(i);} +function LMgetSymbol(str){var k=0;var j=0;var mk;var st;var tagst;var match="";var more=true;for(var i=1;i<=str.length&&more;i++){st=str.slice(0,i);j=k;k=position(LMnames,st,j);if(k<LMnames.length&&str.slice(0,LMnames[k].length)==LMnames[k]){match=LMnames[k];mk=k;i=match.length;} +more=k<LMnames.length&&str.slice(0,LMnames[k].length)>=LMnames[k];} +LMpreviousSymbol=LMcurrentSymbol;if(match!=""){LMcurrentSymbol=LMsymbols[mk].ttype;return LMsymbols[mk];} +LMcurrentSymbol=CONST;k=1;st=str.slice(0,1);if("0"<=st&&st<="9")tagst="mn";else tagst=(("A">st||st>"Z")&&("a">st||st>"z")?"mo":"mi");return{input:st,tag:tagst,output:st,ttype:CONST};} +var LMpreviousSymbol,LMcurrentSymbol;function LMparseSexpr(str){var symbol,node,result,result2,i,st,newFrag=document.createDocumentFragment();str=LMremoveCharsAndBlanks(str,0);symbol=LMgetSymbol(str);if(symbol==null||symbol.ttype==RIGHTBRACKET) +return[null,str,null];if(symbol.ttype==DEFINITION){str=symbol.output+LMremoveCharsAndBlanks(str,symbol.input.length);symbol=LMgetSymbol(str);if(symbol==null||symbol.ttype==RIGHTBRACKET) +return[null,str,null];} +str=LMremoveCharsAndBlanks(str,symbol.input.length);switch(symbol.ttype){case SPACE:node=createMmlNode(symbol.tag);node.setAttribute(symbol.atname,symbol.atval);return[node,str,symbol.tag];case UNDEROVER:if(isIE){if(symbol.input.substr(0,4)=="\\big"){str="\\"+symbol.input.substr(4)+str;symbol=LMgetSymbol(str);symbol.ttype=UNDEROVER;str=LMremoveCharsAndBlanks(str,symbol.input.length);}} +return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str,symbol.tag];case CONST:var output=symbol.output;if(isIE){if(symbol.input=="'") +output="\u2032";else if(symbol.input=="''") +output="\u2033";else if(symbol.input=="'''") +output="\u2033\u2032";else if(symbol.input=="''''") +output="\u2033\u2033";else if(symbol.input=="\\square") +output="\u25A1";else if(symbol.input.substr(0,5)=="\\frac"){var denom=symbol.input.substr(6,1);if(denom=="5"||denom=="6"){str=symbol.input.replace(/\\frac/,"\\frac ")+str;return[node,str,symbol.tag];}}} +node=createMmlNode(symbol.tag,document.createTextNode(output));return[node,str,symbol.tag];case LONG:node=createMmlNode(symbol.tag,document.createTextNode(symbol.output));node.setAttribute("minsize","1.5");node.setAttribute("maxsize","1.5");node=createMmlNode("mover",node);node.appendChild(createMmlNode("mspace"));return[node,str,symbol.tag];case STRETCHY:if(isIE&&symbol.input=="\\backslash") +symbol.output="\\";node=createMmlNode(symbol.tag,document.createTextNode(symbol.output));if(symbol.input=="|"||symbol.input=="\\vert"||symbol.input=="\\|"||symbol.input=="\\Vert"){node.setAttribute("lspace","0em");node.setAttribute("rspace","0em");} +node.setAttribute("maxsize",symbol.atval);if(symbol.rtag!=null) +return[node,str,symbol.rtag];else +return[node,str,symbol.tag];case BIG:var atval=symbol.atval;if(isIE) +atval=symbol.ieval;symbol=LMgetSymbol(str);if(symbol==null) +return[null,str,null];str=LMremoveCharsAndBlanks(str,symbol.input.length);node=createMmlNode(symbol.tag,document.createTextNode(symbol.output));if(isIE){var space=createMmlNode("mspace");space.setAttribute("height",atval+"ex");node=createMmlNode("mrow",node);node.appendChild(space);}else{node.setAttribute("minsize",atval);node.setAttribute("maxsize",atval);} +return[node,str,symbol.tag];case LEFTBRACKET:if(symbol.input=="\\left"){symbol=LMgetSymbol(str);if(symbol!=null){if(symbol.input==".") +symbol.invisible=true;str=LMremoveCharsAndBlanks(str,symbol.input.length);}} +result=LMparseExpr(str,true,false);if(symbol==null||(typeof symbol.invisible=="boolean"&&symbol.invisible)) +node=createMmlNode("mrow",result[0]);else{node=createMmlNode("mo",document.createTextNode(symbol.output));node=createMmlNode("mrow",node);node.appendChild(result[0]);} +return[node,result[1],result[2]];case MATRIX:if(symbol.input=="\\begin{array}"){var mask="";symbol=LMgetSymbol(str);str=LMremoveCharsAndBlanks(str,0);if(symbol==null) +mask="l";else{str=LMremoveCharsAndBlanks(str,symbol.input.length);if(symbol.input!="{") +mask="l";else do{symbol=LMgetSymbol(str);if(symbol!=null){str=LMremoveCharsAndBlanks(str,symbol.input.length);if(symbol.input!="}") +mask=mask+symbol.input;}}while(symbol!=null&&symbol.input!=""&&symbol.input!="}");} +result=LMparseExpr("{"+str,true,true);node=createMmlNode("mtable",result[0]);mask=mask.replace(/l/g,"left ");mask=mask.replace(/r/g,"right ");mask=mask.replace(/c/g,"center ");node.setAttribute("columnalign",mask);node.setAttribute("displaystyle","false");if(isIE) +return[node,result[1],null];var lspace=createMmlNode("mspace");lspace.setAttribute("width","0.167em");var rspace=createMmlNode("mspace");rspace.setAttribute("width","0.167em");var node1=createMmlNode("mrow",lspace);node1.appendChild(node);node1.appendChild(rspace);return[node1,result[1],null];}else{result=LMparseExpr("{"+str,true,true);node=createMmlNode("mtable",result[0]);if(isIE) +node.setAttribute("columnspacing","0.25em");else +node.setAttribute("columnspacing","0.167em");node.setAttribute("columnalign","right center left");node.setAttribute("displaystyle","true");node=createMmlNode("mrow",node);return[node,result[1],null];} +case TEXT:if(str.charAt(0)=="{")i=str.indexOf("}");else i=0;if(i==-1) +i=str.length;st=str.slice(1,i);if(st.charAt(0)==" "){node=createMmlNode("mspace");node.setAttribute("width","0.33em");newFrag.appendChild(node);} +newFrag.appendChild(createMmlNode(symbol.tag,document.createTextNode(st)));if(st.charAt(st.length-1)==" "){node=createMmlNode("mspace");node.setAttribute("width","0.33em");newFrag.appendChild(node);} +str=LMremoveCharsAndBlanks(str,i+1);return[createMmlNode("mrow",newFrag),str,null];case UNARY:result=LMparseSexpr(str);if(result[0]==null)return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str];if(typeof symbol.func=="boolean"&&symbol.func){st=str.charAt(0);if(st=="^"||st=="_"||st==","){return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str,symbol.tag];}else{node=createMmlNode("mrow",createMmlNode(symbol.tag,document.createTextNode(symbol.output)));if(isIE){var space=createMmlNode("mspace");space.setAttribute("width","0.167em");node.appendChild(space);} +node.appendChild(result[0]);return[node,result[1],symbol.tag];}} +if(symbol.input=="\\sqrt"){if(isIE){var space=createMmlNode("mspace");space.setAttribute("height","1.2ex");space.setAttribute("width","0em");node=createMmlNode(symbol.tag,result[0]) +node.appendChild(space);return[node,result[1],symbol.tag];}else +return[createMmlNode(symbol.tag,result[0]),result[1],symbol.tag];}else if(typeof symbol.acc=="boolean"&&symbol.acc){node=createMmlNode(symbol.tag,result[0]);var output=symbol.output;if(isIE){if(symbol.input=="\\hat") +output="\u0302";else if(symbol.input=="\\widehat") +output="\u005E";else if(symbol.input=="\\bar") +output="\u00AF";else if(symbol.input=="\\grave") +output="\u0300";else if(symbol.input=="\\tilde") +output="\u0303";} +var node1=createMmlNode("mo",document.createTextNode(output));if(symbol.input=="\\vec"||symbol.input=="\\check") +node1.setAttribute("maxsize","1.2");if(isIE&&symbol.input=="\\bar") +node1.setAttribute("maxsize","0.5");if(symbol.input=="\\underbrace"||symbol.input=="\\underline") +node1.setAttribute("accentunder","true");else +node1.setAttribute("accent","true");node.appendChild(node1);if(symbol.input=="\\overbrace"||symbol.input=="\\underbrace") +node.ttype=UNDEROVER;return[node,result[1],symbol.tag];}else{if(!isIE&&typeof symbol.codes!="undefined"){for(i=0;i<result[0].childNodes.length;i++) +if(result[0].childNodes[i].nodeName=="mi"||result[0].nodeName=="mi"){st=(result[0].nodeName=="mi"?result[0].firstChild.nodeValue:result[0].childNodes[i].firstChild.nodeValue);var newst=[];for(var j=0;j<st.length;j++) +if(st.charCodeAt(j)>64&&st.charCodeAt(j)<91)newst=newst+ +String.fromCharCode(symbol.codes[st.charCodeAt(j)-65]);else newst=newst+st.charAt(j);if(result[0].nodeName=="mi") +result[0]=createMmlNode("mo").appendChild(document.createTextNode(newst));else result[0].replaceChild(createMmlNode("mo").appendChild(document.createTextNode(newst)),result[0].childNodes[i]);}} +node=createMmlNode(symbol.tag,result[0]);node.setAttribute(symbol.atname,symbol.atval);if(symbol.input=="\\scriptstyle"||symbol.input=="\\scriptscriptstyle") +node.setAttribute("displaystyle","false");return[node,result[1],symbol.tag];} +case BINARY:result=LMparseSexpr(str);if(result[0]==null)return[createMmlNode("mo",document.createTextNode(symbol.input)),str,null];result2=LMparseSexpr(result[1]);if(result2[0]==null)return[createMmlNode("mo",document.createTextNode(symbol.input)),str,null];if(symbol.input=="\\root"||symbol.input=="\\stackrel") +newFrag.appendChild(result2[0]);newFrag.appendChild(result[0]);if(symbol.input=="\\frac")newFrag.appendChild(result2[0]);return[createMmlNode(symbol.tag,newFrag),result2[1],symbol.tag];case INFIX:str=LMremoveCharsAndBlanks(str,symbol.input.length);return[createMmlNode("mo",document.createTextNode(symbol.output)),str,symbol.tag];default:return[createMmlNode(symbol.tag,document.createTextNode(symbol.output)),str,symbol.tag];}} +function LMparseIexpr(str){var symbol,sym1,sym2,node,result,tag,underover;str=LMremoveCharsAndBlanks(str,0);sym1=LMgetSymbol(str);result=LMparseSexpr(str);node=result[0];str=result[1];tag=result[2];symbol=LMgetSymbol(str);if(symbol.ttype==INFIX){str=LMremoveCharsAndBlanks(str,symbol.input.length);result=LMparseSexpr(str);if(result[0]==null) +result[0]=createMmlNode("mo",document.createTextNode("\u25A1"));str=result[1];tag=result[2];if(symbol.input=="_"||symbol.input=="^"){sym2=LMgetSymbol(str);tag=null;underover=((sym1.ttype==UNDEROVER)||(node.ttype==UNDEROVER));if(symbol.input=="_"&&sym2.input=="^"){str=LMremoveCharsAndBlanks(str,sym2.input.length);var res2=LMparseSexpr(str);str=res2[1];tag=res2[2];node=createMmlNode((underover?"munderover":"msubsup"),node);node.appendChild(result[0]);node.appendChild(res2[0]);}else if(symbol.input=="_"){node=createMmlNode((underover?"munder":"msub"),node);node.appendChild(result[0]);}else{node=createMmlNode((underover?"mover":"msup"),node);node.appendChild(result[0]);} +node=createMmlNode("mrow",node);}else{node=createMmlNode(symbol.tag,node);if(symbol.input=="\\atop"||symbol.input=="\\choose") +node.setAttribute("linethickness","0ex");node.appendChild(result[0]);if(symbol.input=="\\choose") +node=createMmlNode("mfenced",node);}} +return[node,str,tag];} +function LMparseExpr(str,rightbracket,matrix){var symbol,node,result,i,tag,newFrag=document.createDocumentFragment();do{str=LMremoveCharsAndBlanks(str,0);result=LMparseIexpr(str);node=result[0];str=result[1];tag=result[2];symbol=LMgetSymbol(str);if(node!=undefined){if((tag=="mn"||tag=="mi")&&symbol!=null&&typeof symbol.func=="boolean"&&symbol.func){var space=createMmlNode("mspace");space.setAttribute("width","0.167em");node=createMmlNode("mrow",node);node.appendChild(space);} +newFrag.appendChild(node);}}while((symbol.ttype!=RIGHTBRACKET)&&symbol!=null&&symbol.output!="");tag=null;if(symbol.ttype==RIGHTBRACKET){if(symbol.input=="\\right"){str=LMremoveCharsAndBlanks(str,symbol.input.length);symbol=LMgetSymbol(str);if(symbol!=null&&symbol.input==".") +symbol.invisible=true;if(symbol!=null) +tag=symbol.rtag;} +if(symbol!=null) +str=LMremoveCharsAndBlanks(str,symbol.input.length);var len=newFrag.childNodes.length;if(matrix&&len>0&&newFrag.childNodes[len-1].nodeName=="mrow"&&len>1&&newFrag.childNodes[len-2].nodeName=="mo"&&newFrag.childNodes[len-2].firstChild.nodeValue=="&"){var pos=[];var m=newFrag.childNodes.length;for(i=0;matrix&&i<m;i=i+2){pos[i]=[];node=newFrag.childNodes[i];for(var j=0;j<node.childNodes.length;j++) +if(node.childNodes[j].firstChild.nodeValue=="&") +pos[i][pos[i].length]=j;} +var 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noSVG=true;else if(navigator.appName.slice(0,9)=="Microsoft") +try{var oSVG=eval("new ActiveXObject('Adobe.SVGCtl.3');");noSVG=null;}catch(e){noSVG=true;} +else if(navigator.appName.slice(0,5)=="Opera") +noSVG=null;else noSVG=true;if(noSVG&¬ifyIfNoSVG){var msg="To view the ASCIIsvg images use Internet Explorer + Adobe SVGviewer or Mozilla Firefox 2.0 or later." +if(alertIfNoSVG) +alert(msg);else return msg;}} +function setText(st,id){var node=document.getElementById(id);if(node!=null) +if(node.childNodes.length!=0)node.childNodes[0].nodeValue=st;else node.appendChild(document.createTextNode(st));} +function getX(evt){var svgroot=evt.target.parentNode;pos=findPos(svgroot.parentNode);return(evt.clientX+(isIE?0:window.pageXOffset)-pos[0]-svgroot.getAttribute("ox"))/parseFloat(svgroot.getAttribute("xunitlength"));} +function getY(evt){var 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name=id;if(typeof name!="string")name=id.target.parentNode.getAttribute("name");picture=document.getElementById(name);width=picture.getAttribute("width")-0;height=picture.getAttribute("height")-0;setdefaults();if((picture.nodeName=="EMBED"||picture.nodeName=="embed")&&isIE){svgpicture=picture.getSVGDocument().getElementById("root");doc=picture.getSVGDocument();}else{svgpicture=picture;doc=document;} +xunitlength=parseFloat(svgpicture.getAttribute("xunitlength"));yunitlength=parseFloat(svgpicture.getAttribute("yunitlength"));xmin=parseFloat(svgpicture.getAttribute("xmin"));xmax=parseFloat(svgpicture.getAttribute("xmax"));ymin=parseFloat(svgpicture.getAttribute("ymin"));ymax=parseFloat(svgpicture.getAttribute("ymax"));origin=[svgpicture.getAttribute("ox")-0,svgpicture.getAttribute("oy")-0];} +function updatePicture(obj){var node,src,id,top,left;if(typeof obj=="object")id=obj.id.slice(0,-6);else id=(typeof obj=="string"?obj:"picture"+(obj+1));src=document.getElementById(id+"input").value;xmin=null;xmax=null;ymin=null;ymax=null;xscl=null;xgrid=null;yscl=null;ygrid=null;initialized=false;picture=document.getElementById(id);translateandeval(src)} +function changepicturesize(evt,factor){var obj=evt.target;var name=obj.parentNode.getAttribute("name");var pic=document.getElementById(name);var src=document.getElementById(name+"input").value;if(!/height/.test(src))src="height=0; "+src;if(!/width/.test(src))src="width=0; "+src;src=src.replace(/width\s*=\s*\d+/,"width="+(factor*(pic.getAttribute("width")-0)));src=src.replace(/height\s*=\s*\d+/,"height="+(factor*(pic.getAttribute("height")-0)));document.getElementById(name+"input").value=src;updatePicture(name);} +function zoom(evt,factor){switchTo(evt);var obj=evt.target;var name=obj.parentNode.getAttribute("name");var pic=document.getElementById(name);var src=document.getElementById(name+"input").value;var xlen=(xmax-xmin)/2;var ylen=(ymax-ymin)/2;var xcen=getX(evt),ycen=getY(evt);if(!/ymax/.test(src))src="ymax=0; "+src;if(!/ymin/.test(src))src="ymin=0; "+src;if(!/xmax/.test(src))src="xmax=0; "+src;if(!/xmin/.test(src))src="xmin=0; "+src;src=src.replace(/xmin\s*=\s*[-\d.e]+/,"xmin="+(xcen-factor*xlen));src=src.replace(/xmax\s*=\s*[-\d.e]+/,"xmax="+(xcen+factor*xlen));src=src.replace(/ymin\s*=\s*[-\d.e]+/,"ymin="+(ycen-factor*ylen));src=src.replace(/ymax\s*=\s*[-\d.e]+/,"ymax="+(ycen+factor*ylen));document.getElementById(name+"input").value=src;updatePicture(name);} +var sinceFirstClick=0;var dblClkTimer;function timer(){if(sinceFirstClick<60){sinceFirstClick++;setTimeout("timer()",10);}else{clearTimeout(dblClkTimer);dblClkTimer="";}} +function mClick(evt){if(sinceFirstClick!=0){if(sinceFirstClick<=40){if(evt.shiftKey){if(evt.altKey)changepicturesize(evt,2);else zoom(evt,.5);}else if(evt.altKey)zoom(evt,2);else 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y_min!="number"||typeof y_max!="number"||y_min>=y_max)) +alert("initPicture(xmin,xmax,ymin,ymax) requires numbers ymin < ymax");else{if(width==null){width=picture.getAttribute("width");if(width==null||width=="")width=defaultwidth;} +picture.setAttribute("width",width);if(height==null){height=picture.getAttribute("height");if(height==null||height=="")height=defaultheight;} +picture.setAttribute("height",height);xunitlength=(width-2*border)/(xmax-xmin);yunitlength=xunitlength;if(ymin==null){origin=[-xmin*xunitlength+border,height/2];ymin=-(height-2*border)/(2*yunitlength);ymax=-ymin;}else{if(ymax!=null)yunitlength=(height-2*border)/(ymax-ymin);else ymax=(height-2*border)/yunitlength+ymin;origin=[-xmin*xunitlength+border,-ymin*yunitlength+border];} +if(isIE){if(picture.FULLSCREEN==undefined){setTimeout('drawPictures()',50);throw"wait";} +svgpicture=picture.getSVGDocument().getElementById("root");if(svgpicture==null){setTimeout('drawPictures()',50);throw"wait";} +svgpicture=picture.getSVGDocument().getElementById("root");while(svgpicture.childNodes.length>0) +svgpicture.removeChild(svgpicture.lastChild);svgpicture.setAttribute("width",width);svgpicture.setAttribute("height",height);svgpicture.setAttribute("name",picture.getAttribute("id"));doc=picture.getSVGDocument();}else{var qnode=document.createElementNS("http://www.w3.org/2000/svg","svg");qnode.setAttribute("id",picture.getAttribute("id"));qnode.setAttribute("name",picture.getAttribute("id"));qnode.setAttribute("width",picture.getAttribute("width"));qnode.setAttribute("height",picture.getAttribute("height"));picturepos=findPos(picture);if(picture.parentNode!=null){picture.parentNode.replaceChild(qnode,picture);}else{svgpicture.parentNode.replaceChild(qnode,svgpicture);} +svgpicture=qnode;doc=document;} +var nd=document.getElementById(picture.getAttribute("id")+"mml");if(nd!=null) +while(nd.childNodes.length>0)nd.removeChild(nd.lastChild);svgpicture.setAttribute("xunitlength",xunitlength);svgpicture.setAttribute("yunitlength",yunitlength);svgpicture.setAttribute("xmin",xmin);svgpicture.setAttribute("xmax",xmax);svgpicture.setAttribute("ymin",ymin);svgpicture.setAttribute("ymax",ymax);svgpicture.setAttribute("ox",origin[0]);svgpicture.setAttribute("oy",origin[1]);var node=myCreateElementSVG("rect");node.setAttribute("x","0");node.setAttribute("y","0");node.setAttribute("width",width);node.setAttribute("height",height);node.setAttribute("style",backgroundstyle);svgpicture.appendChild(node);svgpicture.setAttribute("onmousemove","displayCoord(evt)");svgpicture.setAttribute("onmouseout","removeCoord(evt)");svgpicture.setAttribute("onclick","mClick(evt)");node=myCreateElementSVG("text");node.appendChild(doc.createTextNode(" "));node.setAttribute("id","coords");svgpicture.appendChild(node);node=myCreateElementSVG("text");node.appendChild(doc.createTextNode(" "));node.setAttribute("id","coords");svgpicture.appendChild(node);border=defaultborder;}}} +function line(p,q,id,endpts){var node;if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("path");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("d","M"+(p[0]*xunitlength+origin[0])+","+ +(height-p[1]*yunitlength-origin[1])+" "+ +(q[0]*xunitlength+origin[0])+","+(height-q[1]*yunitlength-origin[1]));node.setAttribute("stroke-width",strokewidth);if(strokedasharray!=null) +node.setAttribute("stroke-dasharray",strokedasharray);node.setAttribute("stroke",stroke);node.setAttribute("fill",fill);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);if(marker=="dot"||marker=="arrowdot"){ASdot(p,markersize,markerstroke,markerfill);if(marker=="arrowdot")arrowhead(p,q);ASdot(q,markersize,markerstroke,markerfill);}else if(marker=="arrow")arrowhead(p,q);if(endpts==null&&endpoints!="")endpts=endpoints;if(endpts!=null){if(endpts.indexOf("<-")!=-1)arrowhead(q,p);if(endpts.indexOf("o-")!=-1)dot(p,"open");if(endpts.indexOf("*-")!=-1)dot(p,"closed");if(endpts.indexOf("->")!=-1)arrowhead(p,q);if(endpts.indexOf("-o")!=-1)dot(q,"open");if(endpts.indexOf("-*")!=-1)dot(q,"closed");}} +function path(plist,id,c,endpts){if(c==null)c="";var node,st,i;if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("path");node.setAttribute("id",id);svgpicture.appendChild(node);} +if(typeof plist=="string")st=plist;else{st="M";st+=(plist[0][0]*xunitlength+origin[0])+","+ +(height-plist[0][1]*yunitlength-origin[1])+" "+c;for(i=1;i<plist.length;i++) +st+=(plist[i][0]*xunitlength+origin[0])+","+ +(height-plist[i][1]*yunitlength-origin[1])+" ";} +node.setAttribute("d",st);node.setAttribute("stroke-width",strokewidth);if(strokedasharray!=null) +node.setAttribute("stroke-dasharray",strokedasharray);node.setAttribute("stroke",stroke);node.setAttribute("fill",fill);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);if(marker=="dot"||marker=="arrowdot") +for(i=0;i<plist.length;i++) +if(c!="C"&&c!="T"||i!=1&&i!=2) +ASdot(plist[i],markersize,markerstroke,markerfill);if(endpts==null&&endpoints!="")endpts=endpoints;if(endpts!=null){if(endpts.indexOf("<-")!=-1)arrowhead(plist[1],plist[0]);if(endpts.indexOf("o-")!=-1)dot(plist[0],"open");if(endpts.indexOf("*-")!=-1)dot(plist[0],"closed");if(endpts.indexOf("->")!=-1)arrowhead(plist[plist.length-2],plist[plist.length-1]);if(endpts.indexOf("-o")!=-1)dot(plist[plist.length-1],"open");if(endpts.indexOf("-*")!=-1)dot(plist[plist.length-1],"closed");}} +function curve(plist,id,endpts){path(plist,id,"T",endpts);} +function vector(p,q,id){line(p,q,id,"","->");} +function circle(center,radius,id){var node;if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("circle");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("cx",center[0]*xunitlength+origin[0]);node.setAttribute("cy",height-center[1]*yunitlength-origin[1]);node.setAttribute("r",radius*xunitlength);node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",stroke);node.setAttribute("fill",fill);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);} +function loop(p,d,id){if(d==null)d=[1,0];path([p,[p[0]+d[0],p[1]+d[1]],[p[0]-d[1],p[1]+d[0]],p],id,"C");if(marker=="arrow"||marker=="arrowdot") +arrowhead([p[0]+Math.cos(1.4)*d[0]-Math.sin(1.4)*d[1],p[1]+Math.sin(1.4)*d[0]+Math.cos(1.4)*d[1]],p);} +function arc(start,end,radius,id,largearc){var node,v;if(id!=null)node=doc.getElementById(id);if(largearc==null)largearc=0;if(radius==null){v=[end[0]-start[0],end[1]-start[1]];radius=Math.sqrt(v[0]*v[0]+v[1]*v[1]);} +if(node==null){node=myCreateElementSVG("path");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("d","M"+(start[0]*xunitlength+origin[0])+","+ +(height-start[1]*yunitlength-origin[1])+" A"+radius*xunitlength+","+ +radius*yunitlength+" 0 "+largearc+",0 "+(end[0]*xunitlength+origin[0])+","+ +(height-end[1]*yunitlength-origin[1]));node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",stroke);node.setAttribute("fill",fill);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);if(marker=="arrow"||marker=="arrowdot"){u=[(end[1]-start[1])/4,(start[0]-end[0])/4];v=[(end[0]-start[0])/2,(end[1]-start[1])/2];v=[start[0]+v[0]+u[0],start[1]+v[1]+u[1]];}else v=[start[0],start[1]];if(marker=="dot"||marker=="arrowdot"){ASdot(start,markersize,markerstroke,markerfill);if(marker=="arrowdot")arrowhead(v,end);ASdot(end,markersize,markerstroke,markerfill);}else if(marker=="arrow")arrowhead(v,end);} +function sector(center,start,end,id){var rx=start[0]-center[0],ry=start[1]-center[1];arc(start,end,Math.sqrt(rx*rx+ry*ry),id+"arc");path([end,center,start],id+"path");} +function ellipse(center,rx,ry,id){var node;if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("ellipse");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("cx",center[0]*xunitlength+origin[0]);node.setAttribute("cy",height-center[1]*yunitlength-origin[1]);node.setAttribute("rx",rx*xunitlength);node.setAttribute("ry",ry*yunitlength);node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",stroke);node.setAttribute("fill",fill);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);} +function triangle(p,q,r,id){path([p,q,r,p],id)} +function rect(p,q,id,rx,ry){var node;if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("rect");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("x",p[0]*xunitlength+origin[0]);node.setAttribute("y",height-q[1]*yunitlength-origin[1]);node.setAttribute("width",(q[0]-p[0])*xunitlength);node.setAttribute("height",(q[1]-p[1])*yunitlength);if(rx!=null)node.setAttribute("rx",rx*xunitlength);if(ry!=null)node.setAttribute("ry",ry*yunitlength);node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",stroke);node.setAttribute("fill",fill);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);} +function text(p,st,pos,id,fontsty){var dnode,node,dx=0,dy=fontsize/3,str=st.toString();if(/(`|\$)/.test(str)){dnode=document.getElementById(svgpicture.getAttribute("name")+"mml");if(dnode!=null){if(id!=null)node=document.getElementById(id);if(node==null){node=createElementXHTML("div");node.setAttribute("id",id);node.style.position="absolute";dnode.appendChild(node);} +while(node.childNodes.length>0)node.removeChild(node.lastChild);node.appendChild(document.createTextNode(str));if(/`/.test(str))AMprocessNode(node);else LMprocessNode(node);dx=-node.offsetWidth/2;dy=-node.offsetHeight/2;if(pos!=null){if(/above/.test(pos))dy=-node.offsetHeight;if(/below/.test(pos))dy=0;if(/right/.test(pos))dx=0;if(/left/.test(pos))dx=-node.offsetWidth;} +node.style.left=""+(p[0]*xunitlength+origin[0]+dx)+"px";node.style.top=""+(height-p[1]*yunitlength-origin[1]+dy)+"px";} +return p;} +var textanchor="middle";if(pos!=null){if(/above/.test(pos))dy=-fontsize/2;if(/below/.test(pos))dy=fontsize-0;if(/right/.test(pos)){textanchor="start";dx=fontsize/4;} +if(/left/.test(pos)){textanchor="end";dx=-fontsize/4;}} +if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("text");node.setAttribute("id",id);svgpicture.appendChild(node);node.appendChild(doc.createTextNode(str));} +while(node.childNodes.length>1)node.removeChild(node.lastChild);node.lastChild.nodeValue="\xA0"+str+"\xA0";node.setAttribute("x",p[0]*xunitlength+origin[0]+dx);node.setAttribute("y",height-p[1]*yunitlength-origin[1]+dy);node.setAttribute("font-style",(fontsty!=null?fontsty:(str.search(/^[a-zA-Z]$/)!=-1?"italic":fontstyle)));node.setAttribute("font-family",fontfamily);node.setAttribute("font-size",fontsize);node.setAttribute("font-weight",fontweight);node.setAttribute("text-anchor",textanchor);if(fontstroke!="none")node.setAttribute("stroke",fontstroke);if(fontfill!="none")node.setAttribute("fill",fontfill);return p;} +function mtext(p,st,pos,fontsty,fontsz){var textanchor="middle";var dx=0;var dy=fontsize/3;if(pos!=null){if(pos.slice(0,5)=="above")dy=-fontsize/2;if(pos.slice(0,5)=="below")dy=fontsize-0;if(pos.slice(0,5)=="right"||pos.slice(5,10)=="right"){textanchor="start";dx=fontsize/2;} +if(pos.slice(0,4)=="left"||pos.slice(5,9)=="left"){textanchor="end";dx=-fontsize/2;}} +var node=this;if(this.nodeName=="svg"){node=myCreateElementSVG("text");this.appendChild(node);node.appendChild(doc.createTextNode(st));} +node.lastChild.nodeValue=st;node.setAttribute("x",p[0]+dx);node.setAttribute("y",p[1]+dy);node.setAttribute("font-style",(fontsty!=null?fontsty:fontstyle));node.setAttribute("font-family",fontfamily);node.setAttribute("font-size",(fontsz!=null?fontsz:fontsize));node.setAttribute("font-weight",fontweight);node.setAttribute("text-anchor",textanchor);if(fontstroke!="none")node.setAttribute("stroke",fontstroke);if(fontfill!="none")node.setAttribute("fill",fontfill);} +function image(imgurl,p,w,h,id){var node;if(id!=null)node=doc.getElementById(id);if(node==null){node=myCreateElementSVG("image");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("x",p[0]*xunitlength+origin[0]);node.setAttribute("y",height-p[1]*yunitlength-origin[1]);node.setAttribute("width",w);node.setAttribute("height",h);node.setAttribute("xlink:href",imgurl);} +function ASdot(center,radius,s,f){if(s==null)s=stroke;if(f==null)f=fill;var node=myCreateElementSVG("circle");node.setAttribute("cx",center[0]*xunitlength+origin[0]);node.setAttribute("cy",height-center[1]*yunitlength-origin[1]);node.setAttribute("r",radius);node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",s);node.setAttribute("fill",f);svgpicture.appendChild(node);} +function dot(center,typ,label,pos,id){var node;var cx=center[0]*xunitlength+origin[0];var cy=height-center[1]*yunitlength-origin[1];if(id!=null)node=doc.getElementById(id);if(typ=="+"||typ=="-"||typ=="|"){if(node==null){node=myCreateElementSVG("path");node.setAttribute("id",id);svgpicture.appendChild(node);} +if(typ=="+"){node.setAttribute("d"," M "+(cx-ticklength)+" "+cy+" L "+(cx+ticklength)+" "+cy+" M "+cx+" "+(cy-ticklength)+" L "+cx+" "+(cy+ticklength));node.setAttribute("stroke-width",.5);node.setAttribute("stroke",axesstroke);}else{if(typ=="-")node.setAttribute("d"," M "+(cx-ticklength)+" "+cy+" L "+(cx+ticklength)+" "+cy);else node.setAttribute("d"," M "+cx+" "+(cy-ticklength)+" L "+cx+" "+(cy+ticklength));node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",stroke);}}else{if(node==null){node=myCreateElementSVG("circle");node.setAttribute("id",id);svgpicture.appendChild(node);} +node.setAttribute("cx",cx);node.setAttribute("cy",cy);node.setAttribute("r",dotradius);node.setAttribute("stroke-width",strokewidth);node.setAttribute("stroke",stroke);node.setAttribute("fill",(typ=="open"?"white":(typ=="closed"?stroke:markerfill)));} +if(label!=null) +text(center,label,(pos==null?"below":pos),(id==null?id:id+"label"))} +point=dot;function arrowhead(p,q){var up;var v=[p[0]*xunitlength+origin[0],height-p[1]*yunitlength-origin[1]];var w=[q[0]*xunitlength+origin[0],height-q[1]*yunitlength-origin[1]];var u=[w[0]-v[0],w[1]-v[1]];var d=Math.sqrt(u[0]*u[0]+u[1]*u[1]);if(d>0.00000001){u=[u[0]/d,u[1]/d];up=[-u[1],u[0]];var node=myCreateElementSVG("path");node.setAttribute("d","M "+(w[0]-15*u[0]-4*up[0])+" "+ +(w[1]-15*u[1]-4*up[1])+" L "+(w[0]-3*u[0])+" "+(w[1]-3*u[1])+" L "+ +(w[0]-15*u[0]+4*up[0])+" "+(w[1]-15*u[1]+4*up[1])+" z");node.setAttribute("stroke-width",markerstrokewidth);node.setAttribute("stroke",stroke);node.setAttribute("fill",stroke);node.setAttribute("stroke-opacity",strokeopacity);node.setAttribute("fill-opacity",fillopacity);svgpicture.appendChild(node);}} +function chopZ(st){var k=st.indexOf(".");if(k==-1)return st;for(var i=st.length-1;i>k&&st.charAt(i)=="0";i--);if(i==k)i--;return st.slice(0,i+1);} +function grid(dx,dy){axes(dx,dy,null,dx,dy)} +function noaxes(){if(!initialized)initPicture();} +function axes(dx,dy,labels,gdx,gdy){var x,y,ldx,ldy,lx,ly,lxp,lyp,pnode,st;if(!initialized)initPicture();if(typeof dx=="string"){labels=dx;dx=null;} +if(typeof dy=="string"){gdx=dy;dy=null;} +if(xscl!=null){dx=xscl;gdx=xscl;labels=dx} +if(yscl!=null){dy=yscl;gdy=yscl} +if(xtick!=null){dx=xtick} +if(ytick!=null){dy=ytick} +dx=(dx==null?xunitlength:dx*xunitlength);dy=(dy==null?dx:dy*yunitlength);fontsize=Math.min(dx/2,dy/2,16);ticklength=fontsize/4;if(xgrid!=null)gdx=xgrid;if(ygrid!=null)gdy=ygrid;if(gdx!=null){gdx=(typeof gdx=="string"?dx:gdx*xunitlength);gdy=(gdy==null?dy:gdy*yunitlength);pnode=myCreateElementSVG("path");st="";for(x=origin[0];x<width;x=x+gdx) +st+=" M"+x+",0"+" "+x+","+height;for(x=origin[0]-gdx;x>0;x=x-gdx) +st+=" M"+x+",0"+" "+x+","+height;for(y=height-origin[1];y<height;y=y+gdy) +st+=" M0,"+y+" "+width+","+y;for(y=height-origin[1]-gdy;y>0;y=y-gdy) +st+=" M0,"+y+" "+width+","+y;pnode.setAttribute("d",st);pnode.setAttribute("stroke-width",.5);pnode.setAttribute("stroke",gridstroke);pnode.setAttribute("fill",fill);svgpicture.appendChild(pnode);} +pnode=myCreateElementSVG("path");st="M0,"+(height-origin[1])+" "+width+","+ +(height-origin[1])+" M"+origin[0]+",0 "+origin[0]+","+height;for(x=origin[0]+dx;x<width;x=x+dx) +st+=" M"+x+","+(height-origin[1]+ticklength)+" "+x+","+ +(height-origin[1]-ticklength);for(x=origin[0]-dx;x>0;x=x-dx) +st+=" M"+x+","+(height-origin[1]+ticklength)+" "+x+","+ +(height-origin[1]-ticklength);for(y=height-origin[1]+dy;y<height;y=y+dy) +st+=" M"+(origin[0]+ticklength)+","+y+" "+(origin[0]-ticklength)+","+y;for(y=height-origin[1]-dy;y>0;y=y-dy) +st+=" M"+(origin[0]+ticklength)+","+y+" "+(origin[0]-ticklength)+","+y;if(labels!=null)with(Math){ldx=dx/xunitlength;ldy=dy/yunitlength;lx=(xmin>0||xmax<0?xmin:0);ly=(ymin>0||ymax<0?ymin:0);lxp=(ly==0?"below":"above");lyp=(lx==0?"left":"right");var ddx=floor(1.1-log(ldx)/log(10))+1;var ddy=floor(1.1-log(ldy)/log(10))+1;for(x=ldx;x<=xmax;x=x+ldx) +text([x,ly],chopZ(x.toFixed(ddx)),lxp);for(x=-ldx;xmin<=x;x=x-ldx) +text([x,ly],chopZ(x.toFixed(ddx)),lxp);for(y=ldy;y<=ymax;y=y+ldy) +text([lx,y],chopZ(y.toFixed(ddy)),lyp);for(y=-ldy;ymin<=y;y=y-ldy) +text([lx,y],chopZ(y.toFixed(ddy)),lyp);} +fontsize=defaultfontsize;pnode.setAttribute("d",st);pnode.setAttribute("stroke-width",.5);pnode.setAttribute("stroke",axesstroke);pnode.setAttribute("fill",fill);pnode.setAttribute("stroke-opacity",strokeopacity);pnode.setAttribute("fill-opacity",fillopacity);svgpicture.appendChild(pnode);} +function mathjs(st){st=st.replace(/\s/g,"");if(st.indexOf("^-1")!=-1){st=st.replace(/sin\^-1/g,"arcsin");st=st.replace(/cos\^-1/g,"arccos");st=st.replace(/tan\^-1/g,"arctan");st=st.replace(/sec\^-1/g,"arcsec");st=st.replace(/csc\^-1/g,"arccsc");st=st.replace(/cot\^-1/g,"arccot");st=st.replace(/sinh\^-1/g,"arcsinh");st=st.replace(/cosh\^-1/g,"arccosh");st=st.replace(/tanh\^-1/g,"arctanh");st=st.replace(/sech\^-1/g,"arcsech");st=st.replace(/csch\^-1/g,"arccsch");st=st.replace(/coth\^-1/g,"arccoth");} +st=st.replace(/^e$/g,"(Math.E)");st=st.replace(/^e([^a-zA-Z])/g,"(Math.E)$1");st=st.replace(/([^a-zA-Z])e/g,"$1(Math.E)");st=st.replace(/([0-9])([\(a-zA-Z])/g,"$1*$2");st=st.replace(/\)([\(0-9a-zA-Z])/g,"\)*$1");var i,j,k,ch,nested;while((i=st.indexOf("^"))!=-1){if(i==0)return"Error: missing argument";j=i-1;ch=st.charAt(j);if(ch>="0"&&ch<="9"){j--;while(j>=0&&(ch=st.charAt(j))>="0"&&ch<="9")j--;if(ch=="."){j--;while(j>=0&&(ch=st.charAt(j))>="0"&&ch<="9")j--;}}else if(ch==")"){nested=1;j--;while(j>=0&&nested>0){ch=st.charAt(j);if(ch=="(")nested--;else if(ch==")")nested++;j--;} +while(j>=0&&(ch=st.charAt(j))>="a"&&ch<="z"||ch>="A"&&ch<="Z") +j--;}else if(ch>="a"&&ch<="z"||ch>="A"&&ch<="Z"){j--;while(j>=0&&(ch=st.charAt(j))>="a"&&ch<="z"||ch>="A"&&ch<="Z") +j--;}else{return"Error: incorrect syntax in "+st+" at position "+j;} +if(i==st.length-1)return"Error: missing argument";k=i+1;ch=st.charAt(k);if(ch>="0"&&ch<="9"||ch=="-"){k++;while(k<st.length&&(ch=st.charAt(k))>="0"&&ch<="9")k++;if(ch=="."){k++;while(k<st.length&&(ch=st.charAt(k))>="0"&&ch<="9")k++;}}else if(ch=="("){nested=1;k++;while(k<st.length&&nested>0){ch=st.charAt(k);if(ch=="(")nested++;else if(ch==")")nested--;k++;}}else if(ch>="a"&&ch<="z"||ch>="A"&&ch<="Z"){k++;while(k<st.length&&(ch=st.charAt(k))>="a"&&ch<="z"||ch>="A"&&ch<="Z")k++;}else{return"Error: incorrect syntax in "+st+" at position "+k;} +st=st.slice(0,j+1)+"Math.pow("+st.slice(j+1,i)+","+st.slice(i+1,k)+")"+ +st.slice(k);} +while((i=st.indexOf("!"))!=-1){if(i==0)return"Error: missing argument";j=i-1;ch=st.charAt(j);if(ch>="0"&&ch<="9"){j--;while(j>=0&&(ch=st.charAt(j))>="0"&&ch<="9")j--;if(ch=="."){j--;while(j>=0&&(ch=st.charAt(j))>="0"&&ch<="9")j--;}}else if(ch==")"){nested=1;j--;while(j>=0&&nested>0){ch=st.charAt(j);if(ch=="(")nested--;else if(ch==")")nested++;j--;} +while(j>=0&&(ch=st.charAt(j))>="a"&&ch<="z"||ch>="A"&&ch<="Z") +j--;}else if(ch>="a"&&ch<="z"||ch>="A"&&ch<="Z"){j--;while(j>=0&&(ch=st.charAt(j))>="a"&&ch<="z"||ch>="A"&&ch<="Z") +j--;}else{return"Error: incorrect syntax in "+st+" at position "+j;} +st=st.slice(0,j+1)+"factorial("+st.slice(j+1,i)+")"+st.slice(i+1);} +return st;} +function plot(fun,x_min,x_max,points,id,endpts){var pth=[];var f=function(x){return x},g=fun;var name=null;if(typeof fun=="string") +eval("g = function(x){ with(Math) return "+mathjs(fun)+" }");else if(typeof fun=="object"){eval("f = function(t){ with(Math) return "+mathjs(fun[0])+" }");eval("g = function(t){ with(Math) return "+mathjs(fun[1])+" }");} +if(typeof x_min=="string"){name=x_min;x_min=xmin} +else name=id;var min=(x_min==null?xmin:x_min);var max=(x_max==null?xmax:x_max);var inc=max-min-0.000001*(max-min);inc=(points==null?inc/200:inc/points);var gt;for(var t=min;t<=max;t+=inc){gt=g(t);if(!(isNaN(gt)||Math.abs(gt)=="Infinity"))pth[pth.length]=[f(t),gt];} +path(pth,name,null,endpts);return pth;} +function slopefield(fun,dx,dy){var g=fun;if(typeof fun=="string") +eval("g = function(x,y){ with(Math) return "+mathjs(fun)+" }");var gxy,x,y,u,v,dz;if(dx==null)dx=1;if(dy==null)dy=1;dz=Math.sqrt(dx*dx+dy*dy)/6;var x_min=Math.ceil(xmin/dx);var y_min=Math.ceil(ymin/dy);for(x=x_min;x<=xmax;x+=dx) +for(y=y_min;y<=ymax;y+=dy){gxy=g(x,y);if(!isNaN(gxy)){if(Math.abs(gxy)=="Infinity"){u=0;v=dz;} +else{u=dz/Math.sqrt(1+gxy*gxy);v=gxy*u;} +line([x-u,y-v],[x+u,y+v]);}}} +function show_props(obj){var result="";for(var i=0;i<obj.childNodes.length;i++) +result+=obj.childNodes.item(i)+"\n";return result;} +function displayCoord(evt){if(showcoordinates){var svgroot=evt.target.parentNode;var nl=svgroot.childNodes;for(var i=0;i<nl.length&&nl.item(i).nodeName!="text";i++);var cnode=nl.item(i);cnode.mtext=mtext;cnode.mtext([svgroot.getAttribute("width")-(-7),svgroot.getAttribute("height")-7],"("+getX(evt).toFixed(2)+", "+getY(evt).toFixed(2)+")","left","","11");}} +function removeCoord(evt){var svgroot=evt.target.parentNode;var nl=svgroot.childNodes;for(var i=0;i<nl.length&&nl.item(i).nodeName!="text";i++);var cnode=nl.item(i);cnode.mtext=mtext;cnode.mtext([svgroot.getAttribute("width")-0,svgroot.getAttribute("height")-0],"","aboveleft","");} +function initASCIIMathCalculators(li){var i;for(i=0;i<li.length;i++){li[i].innerHTML=calcstr;AMprocessNode(li[i]);} +li=document.getElementsByTagName("textarea");var st;for(i=0;i<li.length;i++){st=li[i].getAttribute("onkeyup");if(st!=null)eval(String(st).replace(/function anonymous\(\)/,""));}} +function calculate(inputId,outputId){var str=document.getElementById(inputId).value;var err="";var ind=str.lastIndexOf("\n");if(ind==str.length-1)str=str.slice(0,ind);str=str.slice(str.lastIndexOf("\n")+1);try{var res=eval(mathjs(str));}catch(e){err="syntax incomplete";} +if(!isNaN(res)&&res!="Infinity") +str="`"+str+" =` "+(Math.abs(res-Math.round(res*1000000)/1000000)<1e-15?Math.round(res*1000000)/1000000:res)+err;else if(str!="")str="`"+str+"` = undefined";var outnode=document.getElementById(outputId);var n=outnode.childNodes.length;for(var i=0;i<n;i++) +outnode.removeChild(outnode.firstChild);outnode.appendChild(document.createTextNode(str));AMprocessNode(outnode);} +function append(st){document.getElementById('in').value+=st;calculate('in','out');document.getElementById('in').scrollTop=1000;document.getElementById('in').focus();} +function clearTextArea(){document.getElementById('in').value="";calculate('in','out');document.getElementById('in').focus();} +var calcstr="<table align=\"center\">\n<tr><th>\nASCIIMath Scientific Calculator\n</th></tr>\n<tr><td>\nClick in the box to use your keyboard or use the buttons\n</td></tr>\n<tr><td>\n<textarea id=\"in\" rows=\"3\" cols=\"40\" onkeyup=\"calculate('in','out')\"></textarea></td></tr>\n<tr><td height=\"50\">Result: <span id=\"out\"></span></td></tr>\n</table>\n<table align=\"center\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody align=\"center\">\n<tr>\n<td colspan=\"4\">\n<button onclick=\"append('sin^-1(')\"><font size=2>`sin^-1`</font></button><button onclick=\"append('cos^-1(')\"><font size=2>`cos^-1`</font></button><button onclick=\"append('tan^-1(')\"><font size=2>`tan^-1`</font></button></td>\n<td><button onclick=\"clearTextArea()\"> `C` </button></td>\n\n</tr>\n<tr>\n<td><button onclick=\"append('pi')\"> `pi` </button></td>\n<td><button onclick=\"append('sin(')\"> `sin`</button></td>\n<td><button onclick=\"append('cos(')\"> `cos`</button></td>\n<td><button onclick=\"append('tan(')\"> `tan`</button></td>\n<td><button onclick=\"append('^')\">`x^y`</button></td>\n</tr>\n<tr>\n<td><button onclick=\"append('!')\"> `!` </button></td>\n\n<td><button onclick=\"append('(')\"><font size=2> `(` </font></button></td>\n<td><button onclick=\"append(')')\"><font size=2> `)` </font></button></td>\n<td><button onclick=\"append('sqrt(')\"><font size=2>`sqrt({::}^\ )`</font></button></td>\n<td><button onclick=\"append('/')\"> `-:\ `</button></td>\n</tr>\n<tr>\n<td><button onclick=\"append('log(')\">`log`</button></td>\n<td><button onclick=\"append('7')\"> `7` </button></td>\n<td><button onclick=\"append('8')\"> `8` </button></td>\n\n<td><button onclick=\"append('9')\"> `9` </button></td>\n<td><button onclick=\"append('*')\"> `times` </button></td>\n</tr>\n<tr>\n<td><button onclick=\"append('ln(')\"> `ln` </button></td>\n<td><button onclick=\"append('4')\"> `4` </button></td>\n<td><button onclick=\"append('5')\"> `5` </button></td>\n<td><button onclick=\"append('6')\"> `6` </button></td>\n\n<td><button onclick=\"append('-')\"> `-{::}` </button></td>\n</tr>\n<tr>\n<td><button onclick=\"append('e')\"> `e` </button></td>\n<td><button onclick=\"append('1')\"> `1` </button></td>\n<td><button onclick=\"append('2')\"> `2` </button></td>\n<td><button onclick=\"append('3')\"> `3` </button></td>\n<td><button onclick=\"append('+')\"> `+{::}` </button></td>\n\n</tr>\n<tr>\n<td> <!--button onclick=\"append('pi')\"> `pi` </button--></td>\n<td><button onclick=\"append('0')\"> `0` </button></td>\n<td><button onclick=\"append('.')\"> `.` </button></td>\n<td><button onclick=\"append('\\n')\"> `\"ent\"`</button></td>\n</tr>\n</tbody>\n</table>";function generic() +{if(!init())return;if(translateOnLoad){var nd=document.getElementById("processasciimathinmoodle");if(nd!=null)dsvglocation=nd.className;if(nd!=null||!checkforprocessasciimathinmoodle){translate();if(!noSVG&&translateASCIIsvg)drawPictures();} +var li=getElementsByClass(document,"div","ASCIIMathCalculator");if(!noMathML&&li.length>0)initASCIIMathCalculators(li);}};if(typeof window.addEventListener!='undefined') +{window.addEventListener('load',generic,false);} +else if(typeof document.addEventListener!='undefined') +{document.addEventListener('load',generic,false);} +else if(typeof window.attachEvent!='undefined') +{window.attachEvent('onload',generic);} else -{ - //.. mac/ie5 and anything else that gets this far - //if there's an existing onload function - if(typeof window.onload == 'function') - { - //store it - var existing = onload; - //add new onload handler - window.onload = function() - { - //call existing onload function - existing(); - //call generic onload function - generic(); - }; - } - else - { - //setup onload function - window.onload = generic; - } -} +{if(typeof window.onload=='function') +{var existing=onload;window.onload=function() +{existing();generic();};} +else +{window.onload=generic;}} </script> <!-- configuration parameters --> <meta name="defaultView" content="slideshow" /> @@ -3362,7 +509,8 @@ img.incremental {visibility: hidden;} /* diagnostics li:after {content: " [" attr(class) "]"; color: #F88;} - */ +*/ + </style> <style type="text/css" media="projection" id="operaFix"> /* DO NOT CHANGE THESE unless you really want to break Opera Show */ @@ -3424,555 +572,81 @@ p.example {display: none;} // // Please see http://www.meyerweb.com/eric/tools/s5/credits.html for information // about all the wonderful and talented contributors to this code! - -var undef; -var slideCSS = ''; -var snum = 0; -var smax = 1; -var incpos = 0; -var number = undef; -var s5mode = true; -var defaultView = 'slideshow'; -var controlVis = 'visible'; - -var isIE = navigator.appName == 'Microsoft Internet Explorer' && navigator.userAgent.indexOf('Opera') < 1 ? 1 : 0; -var isOp = navigator.userAgent.indexOf('Opera') > -1 ? 1 : 0; -var isGe = navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('Safari') < 1 ? 1 : 0; - -function hasClass(object, className) { - if (!object.className) return false; - return (object.className.search('(^|\\s)' + className + '(\\s|$)') != -1); -} - -function hasValue(object, value) { - if (!object) return false; - return (object.search('(^|\\s)' + value + '(\\s|$)') != -1); -} - -function removeClass(object,className) { - if (!object) return; - object.className = object.className.replace(new RegExp('(^|\\s)'+className+'(\\s|$)'), RegExp.$1+RegExp.$2); -} - -function addClass(object,className) { - if (!object || hasClass(object, className)) return; - if (object.className) { - object.className += ' '+className; - } else { - object.className = className; - } -} - -function GetElementsWithClassName(elementName,className) { - var allElements = document.getElementsByTagName(elementName); - var elemColl = new Array(); - for (var i = 0; i< allElements.length; i++) { - if (hasClass(allElements[i], className)) { - elemColl[elemColl.length] = allElements[i]; - } - } - return elemColl; -} - -function isParentOrSelf(element, id) { - if (element == null || element.nodeName=='BODY') return false; - else if (element.id == id) return true; - else return isParentOrSelf(element.parentNode, id); -} - -function nodeValue(node) { - var result = ""; - if (node.nodeType == 1) { - var children = node.childNodes; - for (var i = 0; i < children.length; ++i) { - result += nodeValue(children[i]); - } - } - else if (node.nodeType == 3) { - result = node.nodeValue; - } - return(result); -} - -function slideLabel() { - var slideColl = GetElementsWithClassName('*','slide'); - var list = document.getElementById('jumplist'); - smax = slideColl.length; - for (var n = 0; n < smax; n++) { - var obj = slideColl[n]; - - var did = 'slide' + n.toString(); - obj.setAttribute('id',did); - if (isOp) continue; - - var otext = ''; - var menu = obj.firstChild; - if (!menu) continue; // to cope with empty slides - while (menu && menu.nodeType == 3) { - menu = menu.nextSibling; - } - if (!menu) continue; // to cope with slides with only text nodes - - var menunodes = menu.childNodes; - for (var o = 0; o < menunodes.length; o++) { - otext += nodeValue(menunodes[o]); - } - list.options[list.length] = new Option(n + ' : ' + otext, n); - } -} - -function currentSlide() { - var cs; - if (document.getElementById) { - cs = document.getElementById('currentSlide'); - } else { - cs = document.currentSlide; - } - cs.innerHTML = '<span id="csHere">' + snum + '<\/span> ' + - '<span id="csSep">\/<\/span> ' + - '<span id="csTotal">' + (smax-1) + '<\/span>'; - if (snum == 0) { - cs.style.visibility = 'hidden'; - } else { - cs.style.visibility = 'visible'; - } -} - -function go(step) { - if (document.getElementById('slideProj').disabled || step == 0) return; - var jl = document.getElementById('jumplist'); - var cid = 'slide' + snum; - var ce = document.getElementById(cid); - if (incrementals[snum].length > 0) { - for (var i = 0; i < incrementals[snum].length; i++) { - removeClass(incrementals[snum][i], 'current'); - removeClass(incrementals[snum][i], 'incremental'); - } - } - if (step != 'j') { - snum += step; - lmax = smax - 1; - if (snum > lmax) snum = lmax; - if (snum < 0) snum = 0; - } else - snum = parseInt(jl.value); - var nid = 'slide' + snum; - var ne = document.getElementById(nid); - if (!ne) { - ne = document.getElementById('slide0'); - snum = 0; - } - if (step < 0) {incpos = incrementals[snum].length} else {incpos = 0;} - if (incrementals[snum].length > 0 && incpos == 0) { - for (var i = 0; i < incrementals[snum].length; i++) { - if (hasClass(incrementals[snum][i], 'current')) - incpos = i + 1; - else - addClass(incrementals[snum][i], 'incremental'); - } - } - if (incrementals[snum].length > 0 && incpos > 0) - addClass(incrementals[snum][incpos - 1], 'current'); - ce.style.visibility = 'hidden'; - ne.style.visibility = 'visible'; - jl.selectedIndex = snum; - currentSlide(); - number = 0; -} - -function goTo(target) { - if (target >= smax || target == snum) return; - go(target - snum); -} - -function subgo(step) { - if (step > 0) { - removeClass(incrementals[snum][incpos - 1],'current'); - removeClass(incrementals[snum][incpos], 'incremental'); - addClass(incrementals[snum][incpos],'current'); - incpos++; - } else { - incpos--; - removeClass(incrementals[snum][incpos],'current'); - addClass(incrementals[snum][incpos], 'incremental'); - addClass(incrementals[snum][incpos - 1],'current'); - } -} - -function toggle() { - var slideColl = GetElementsWithClassName('*','slide'); - var slides = document.getElementById('slideProj'); - var outline = document.getElementById('outlineStyle'); - if (!slides.disabled) { - slides.disabled = true; - outline.disabled = false; - s5mode = false; - fontSize('1em'); - for (var n = 0; n < smax; n++) { - var slide = slideColl[n]; - slide.style.visibility = 'visible'; - } - } else { - slides.disabled = false; - outline.disabled = true; - s5mode = true; - fontScale(); - for (var n = 0; n < smax; n++) { - var slide = slideColl[n]; - slide.style.visibility = 'hidden'; - } - slideColl[snum].style.visibility = 'visible'; - } -} - -function showHide(action) { - var obj = GetElementsWithClassName('*','hideme')[0]; - switch (action) { - case 's': obj.style.visibility = 'visible'; break; - case 'h': obj.style.visibility = 'hidden'; break; - case 'k': - if (obj.style.visibility != 'visible') { - obj.style.visibility = 'visible'; - } else { - obj.style.visibility = 'hidden'; - } - break; - } -} - -// 'keys' code adapted from MozPoint (http://mozpoint.mozdev.org/) -function keys(key) { - if (!key) { - key = event; - key.which = key.keyCode; - } - if (key.which == 84) { - toggle(); - return; - } - if (s5mode) { - switch (key.which) { - case 10: // return - case 13: // enter - if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return; - if (key.target && isParentOrSelf(key.target, 'controls')) return; - if(number != undef) { - goTo(number); - break; - } - case 32: // spacebar - case 34: // page down - case 39: // rightkey - case 40: // downkey - if(number != undef) { - go(number); - } else if (!incrementals[snum] || incpos >= incrementals[snum].length) { - go(1); - } else { - subgo(1); - } - break; - case 33: // page up - case 37: // leftkey - case 38: // upkey - if(number != undef) { - go(-1 * number); - } else if (!incrementals[snum] || incpos <= 0) { - go(-1); - } else { - subgo(-1); - } - break; - case 36: // home - goTo(0); - break; - case 35: // end - goTo(smax-1); - break; - case 67: // c - showHide('k'); - break; - } - if (key.which < 48 || key.which > 57) { - number = undef; - } else { - if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return; - if (key.target && isParentOrSelf(key.target, 'controls')) return; - number = (((number != undef) ? number : 0) * 10) + (key.which - 48); - } - } - return false; -} - -function clicker(e) { - number = undef; - var target; - if (window.event) { - target = window.event.srcElement; - e = window.event; - } else target = e.target; - if (target.getAttribute('href') != null || hasValue(target.rel, 'external') || isParentOrSelf(target, 'controls') || isParentOrSelf(target,'embed') || isParentOrSelf(target,'object')) return true; - if (!e.which || e.which == 1) { - if (!incrementals[snum] || incpos >= incrementals[snum].length) { - go(1); - } else { - subgo(1); - } - } -} - -function findSlide(hash) { - var target = null; - var slides = GetElementsWithClassName('*','slide'); - for (var i = 0; i < slides.length; i++) { - var targetSlide = slides[i]; - if ( (targetSlide.name && targetSlide.name == hash) - || (targetSlide.id && targetSlide.id == hash) ) { - target = targetSlide; - break; - } - } - while(target != null && target.nodeName != 'BODY') { - if (hasClass(target, 'slide')) { - return parseInt(target.id.slice(5)); - } - target = target.parentNode; - } - return null; -} - -function slideJump() { - if (window.location.hash == null) return; - var sregex = /^#slide(\d+)$/; - var matches = sregex.exec(window.location.hash); - var dest = null; - if (matches != null) { - dest = parseInt(matches[1]); - } else { - dest = findSlide(window.location.hash.slice(1)); - } - if (dest != null) - go(dest - snum); -} - -function fixLinks() { - var thisUri = window.location.href; - thisUri = thisUri.slice(0, thisUri.length - window.location.hash.length); - var aelements = document.getElementsByTagName('A'); - for (var i = 0; i < aelements.length; i++) { - var a = aelements[i].href; - var slideID = a.match('\#slide[0-9]{1,2}'); - if ((slideID) && (slideID[0].slice(0,1) == '#')) { - var dest = findSlide(slideID[0].slice(1)); - if (dest != null) { - if (aelements[i].addEventListener) { - aelements[i].addEventListener("click", new Function("e", - "if (document.getElementById('slideProj').disabled) return;" + - "go("+dest+" - snum); " + - "if (e.preventDefault) e.preventDefault();"), true); - } else if (aelements[i].attachEvent) { - aelements[i].attachEvent("onclick", new Function("", - "if (document.getElementById('slideProj').disabled) return;" + - "go("+dest+" - snum); " + - "event.returnValue = false;")); - } - } - } - } -} - -function externalLinks() { - if (!document.getElementsByTagName) return; - var anchors = document.getElementsByTagName('a'); - for (var i=0; i<anchors.length; i++) { - var anchor = anchors[i]; - if (anchor.getAttribute('href') && hasValue(anchor.rel, 'external')) { - anchor.target = '_blank'; - addClass(anchor,'external'); - } - } -} - -function createControls() { - var controlsDiv = document.getElementById("controls"); - if (!controlsDiv) return; - var hider = ' onmouseover="showHide(\'s\');" onmouseout="showHide(\'h\');"'; - var hideDiv, hideList = ''; - if (controlVis == 'hidden') { - hideDiv = hider; - } else { - hideList = hider; - } - controlsDiv.innerHTML = '<form action="#" id="controlForm"' + hideDiv + '>' + - '<div id="navLinks">' + - '<a accesskey="t" id="toggle" href="javascript:toggle();">Ø<\/a>' + - '<a accesskey="z" id="prev" href="javascript:go(-1);">«<\/a>' + - '<a accesskey="x" id="next" href="javascript:go(1);">»<\/a>' + - '<div id="navList"' + hideList + '><select id="jumplist" onchange="go(\'j\');"><\/select><\/div>' + - '<\/div><\/form>'; - if (controlVis == 'hidden') { - var hidden = document.getElementById('navLinks'); - } else { - var hidden = document.getElementById('jumplist'); - } - addClass(hidden,'hideme'); -} - -function fontScale() { // causes layout problems in FireFox that get fixed if browser's Reload is used; same may be true of other Gecko-based browsers - if (!s5mode) return false; - var vScale = 22; // both yield 32 (after rounding) at 1024x768 - var hScale = 32; // perhaps should auto-calculate based on theme's declared value? - if (window.innerHeight) { - var vSize = window.innerHeight; - var hSize = window.innerWidth; - } else if (document.documentElement.clientHeight) { - var vSize = document.documentElement.clientHeight; - var hSize = document.documentElement.clientWidth; - } else if (document.body.clientHeight) { - var vSize = document.body.clientHeight; - var hSize = document.body.clientWidth; - } else { - var vSize = 700; // assuming 1024x768, minus chrome and such - var hSize = 1024; // these do not account for kiosk mode or Opera Show - } - var newSize = Math.min(Math.round(vSize/vScale),Math.round(hSize/hScale)); - fontSize(newSize + 'px'); - if (isGe) { // hack to counter incremental reflow bugs - var obj = document.getElementsByTagName('body')[0]; - obj.style.display = 'none'; - obj.style.display = 'block'; - } -} - -function fontSize(value) { - if (!(s5ss = document.getElementById('s5ss'))) { - if (!isIE) { - document.getElementsByTagName('head')[0].appendChild(s5ss = document.createElement('style')); - s5ss.setAttribute('media','screen, projection'); - s5ss.setAttribute('id','s5ss'); - } else { - document.createStyleSheet(); - document.s5ss = document.styleSheets[document.styleSheets.length - 1]; - } - } - if (!isIE) { - while (s5ss.lastChild) s5ss.removeChild(s5ss.lastChild); - s5ss.appendChild(document.createTextNode('body {font-size: ' + value + ' !important;}')); - } else { - document.s5ss.addRule('body','font-size: ' + value + ' !important;'); - } -} - -function notOperaFix() { - slideCSS = document.getElementById('slideProj').href; - var slides = document.getElementById('slideProj'); - var outline = document.getElementById('outlineStyle'); - slides.setAttribute('media','screen'); - outline.disabled = true; - if (isGe) { - slides.setAttribute('href','null'); // Gecko fix - slides.setAttribute('href',slideCSS); // Gecko fix - } - if (isIE && document.styleSheets && document.styleSheets[0]) { - document.styleSheets[0].addRule('img', 'behavior: url(ui/default/iepngfix.htc)'); - document.styleSheets[0].addRule('div', 'behavior: url(ui/default/iepngfix.htc)'); - document.styleSheets[0].addRule('.slide', 'behavior: url(ui/default/iepngfix.htc)'); - } -} - -function getIncrementals(obj) { - var incrementals = new Array(); - if (!obj) - return incrementals; - var children = obj.childNodes; - for (var i = 0; i < children.length; i++) { - var child = children[i]; - if (hasClass(child, 'incremental')) { - if (child.nodeName == 'OL' || child.nodeName == 'UL') { - removeClass(child, 'incremental'); - for (var j = 0; j < child.childNodes.length; j++) { - if (child.childNodes[j].nodeType == 1) { - addClass(child.childNodes[j], 'incremental'); - } - } - } else { - incrementals[incrementals.length] = child; - removeClass(child,'incremental'); - } - } - if (hasClass(child, 'show-first')) { - if (child.nodeName == 'OL' || child.nodeName == 'UL') { - removeClass(child, 'show-first'); - if (child.childNodes[isGe].nodeType == 1) { - removeClass(child.childNodes[isGe], 'incremental'); - } - } else { - incrementals[incrementals.length] = child; - } - } - incrementals = incrementals.concat(getIncrementals(child)); - } - return incrementals; -} - -function createIncrementals() { - var incrementals = new Array(); - for (var i = 0; i < smax; i++) { - incrementals[i] = getIncrementals(document.getElementById('slide'+i)); - } - return incrementals; -} - -function defaultCheck() { - var allMetas = document.getElementsByTagName('meta'); - for (var i = 0; i< allMetas.length; i++) { - if (allMetas[i].name == 'defaultView') { - defaultView = allMetas[i].content; - } - if (allMetas[i].name == 'controlVis') { - controlVis = allMetas[i].content; - } - } -} - -// Key trap fix, new function body for trap() -function trap(e) { - if (!e) { - e = event; - e.which = e.keyCode; - } - try { - modifierKey = e.ctrlKey || e.altKey || e.metaKey; - } - catch(e) { - modifierKey = false; - } - return modifierKey || e.which == 0; -} - -function startup() { - defaultCheck(); - if (!isOp) - createControls(); - slideLabel(); - fixLinks(); - externalLinks(); - fontScale(); - if (!isOp) { - notOperaFix(); - incrementals = createIncrementals(); - slideJump(); - if (defaultView == 'outline') { - toggle(); - } - document.onkeyup = keys; - document.onkeypress = trap; - document.onclick = clicker; - } -} - -window.onload = startup; -window.onresize = function(){setTimeout('fontScale()', 50);}</script> +var undef;var slideCSS='';var snum=0;var smax=1;var incpos=0;var number=undef;var s5mode=true;var defaultView='slideshow';var controlVis='visible';var isIE=navigator.appName=='Microsoft Internet Explorer'&&navigator.userAgent.indexOf('Opera')<1?1:0;var isOp=navigator.userAgent.indexOf('Opera')>-1?1:0;var isGe=navigator.userAgent.indexOf('Gecko')>-1&&navigator.userAgent.indexOf('Safari')<1?1:0;function hasClass(object,className){if(!object.className)return false;return(object.className.search('(^|\\s)'+className+'(\\s|$)')!=-1);} +function hasValue(object,value){if(!object)return false;return(object.search('(^|\\s)'+value+'(\\s|$)')!=-1);} +function removeClass(object,className){if(!object)return;object.className=object.className.replace(new RegExp('(^|\\s)'+className+'(\\s|$)'),RegExp.$1+RegExp.$2);} +function addClass(object,className){if(!object||hasClass(object,className))return;if(object.className){object.className+=' '+className;}else{object.className=className;}} +function GetElementsWithClassName(elementName,className){var allElements=document.getElementsByTagName(elementName);var elemColl=new Array();for(var i=0;i<allElements.length;i++){if(hasClass(allElements[i],className)){elemColl[elemColl.length]=allElements[i];}} +return elemColl;} +function isParentOrSelf(element,id){if(element==null||element.nodeName=='BODY')return false;else if(element.id==id)return true;else return isParentOrSelf(element.parentNode,id);} +function nodeValue(node){var result="";if(node.nodeType==1){var children=node.childNodes;for(var i=0;i<children.length;++i){result+=nodeValue(children[i]);}} +else if(node.nodeType==3){result=node.nodeValue;} +return(result);} +function slideLabel(){var slideColl=GetElementsWithClassName('*','slide');var list=document.getElementById('jumplist');smax=slideColl.length;for(var n=0;n<smax;n++){var obj=slideColl[n];var did='slide'+n.toString();obj.setAttribute('id',did);if(isOp)continue;var otext='';var menu=obj.firstChild;if(!menu)continue;while(menu&&menu.nodeType==3){menu=menu.nextSibling;} +if(!menu)continue;var menunodes=menu.childNodes;for(var o=0;o<menunodes.length;o++){otext+=nodeValue(menunodes[o]);} +list.options[list.length]=new Option(n+' : '+otext,n);}} +function currentSlide(){var cs;if(document.getElementById){cs=document.getElementById('currentSlide');}else{cs=document.currentSlide;} +cs.innerHTML='<span id="csHere">'+snum+'<\/span> '+'<span id="csSep">\/<\/span> '+'<span id="csTotal">'+(smax-1)+'<\/span>';if(snum==0){cs.style.visibility='hidden';}else{cs.style.visibility='visible';}} +function go(step){if(document.getElementById('slideProj').disabled||step==0)return;var jl=document.getElementById('jumplist');var cid='slide'+snum;var ce=document.getElementById(cid);if(incrementals[snum].length>0){for(var i=0;i<incrementals[snum].length;i++){removeClass(incrementals[snum][i],'current');removeClass(incrementals[snum][i],'incremental');}} +if(step!='j'){snum+=step;lmax=smax-1;if(snum>lmax)snum=lmax;if(snum<0)snum=0;}else +snum=parseInt(jl.value);var nid='slide'+snum;var ne=document.getElementById(nid);if(!ne){ne=document.getElementById('slide0');snum=0;} +if(step<0){incpos=incrementals[snum].length}else{incpos=0;} +if(incrementals[snum].length>0&&incpos==0){for(var i=0;i<incrementals[snum].length;i++){if(hasClass(incrementals[snum][i],'current')) +incpos=i+1;else +addClass(incrementals[snum][i],'incremental');}} +if(incrementals[snum].length>0&&incpos>0) +addClass(incrementals[snum][incpos-1],'current');ce.style.visibility='hidden';ne.style.visibility='visible';jl.selectedIndex=snum;currentSlide();number=0;} +function goTo(target){if(target>=smax||target==snum)return;go(target-snum);} +function subgo(step){if(step>0){removeClass(incrementals[snum][incpos-1],'current');removeClass(incrementals[snum][incpos],'incremental');addClass(incrementals[snum][incpos],'current');incpos++;}else{incpos--;removeClass(incrementals[snum][incpos],'current');addClass(incrementals[snum][incpos],'incremental');addClass(incrementals[snum][incpos-1],'current');}} +function toggle(){var slideColl=GetElementsWithClassName('*','slide');var slides=document.getElementById('slideProj');var outline=document.getElementById('outlineStyle');if(!slides.disabled){slides.disabled=true;outline.disabled=false;s5mode=false;fontSize('1em');for(var n=0;n<smax;n++){var slide=slideColl[n];slide.style.visibility='visible';}}else{slides.disabled=false;outline.disabled=true;s5mode=true;fontScale();for(var n=0;n<smax;n++){var slide=slideColl[n];slide.style.visibility='hidden';} +slideColl[snum].style.visibility='visible';}} +function showHide(action){var obj=GetElementsWithClassName('*','hideme')[0];switch(action){case's':obj.style.visibility='visible';break;case'h':obj.style.visibility='hidden';break;case'k':if(obj.style.visibility!='visible'){obj.style.visibility='visible';}else{obj.style.visibility='hidden';} +break;}} +function keys(key){if(!key){key=event;key.which=key.keyCode;} +if(key.which==84){toggle();return;} +if(s5mode){switch(key.which){case 10:case 13:if(window.event&&isParentOrSelf(window.event.srcElement,'controls'))return;if(key.target&&isParentOrSelf(key.target,'controls'))return;if(number!=undef){goTo(number);break;} +case 32:case 34:case 39:case 40:if(number!=undef){go(number);}else if(!incrementals[snum]||incpos>=incrementals[snum].length){go(1);}else{subgo(1);} +break;case 33:case 37:case 38:if(number!=undef){go(-1*number);}else if(!incrementals[snum]||incpos<=0){go(-1);}else{subgo(-1);} +break;case 36:goTo(0);break;case 35:goTo(smax-1);break;case 67:showHide('k');break;} +if(key.which<48||key.which>57){number=undef;}else{if(window.event&&isParentOrSelf(window.event.srcElement,'controls'))return;if(key.target&&isParentOrSelf(key.target,'controls'))return;number=(((number!=undef)?number:0)*10)+(key.which-48);}} +return false;} +function clicker(e){number=undef;var target;if(window.event){target=window.event.srcElement;e=window.event;}else target=e.target;if(target.getAttribute('href')!=null||hasValue(target.rel,'external')||isParentOrSelf(target,'controls')||isParentOrSelf(target,'embed')||isParentOrSelf(target,'object'))return true;if(!e.which||e.which==1){if(!incrementals[snum]||incpos>=incrementals[snum].length){go(1);}else{subgo(1);}}} +function findSlide(hash){var target=null;var slides=GetElementsWithClassName('*','slide');for(var i=0;i<slides.length;i++){var targetSlide=slides[i];if((targetSlide.name&&targetSlide.name==hash)||(targetSlide.id&&targetSlide.id==hash)){target=targetSlide;break;}} +while(target!=null&&target.nodeName!='BODY'){if(hasClass(target,'slide')){return parseInt(target.id.slice(5));} +target=target.parentNode;} +return null;} +function slideJump(){if(window.location.hash==null)return;var sregex=/^#slide(\d+)$/;var matches=sregex.exec(window.location.hash);var dest=null;if(matches!=null){dest=parseInt(matches[1]);}else{dest=findSlide(window.location.hash.slice(1));} +if(dest!=null) +go(dest-snum);} +function fixLinks(){var thisUri=window.location.href;thisUri=thisUri.slice(0,thisUri.length-window.location.hash.length);var aelements=document.getElementsByTagName('A');for(var i=0;i<aelements.length;i++){var a=aelements[i].href;var slideID=a.match('\#slide[0-9]{1,2}');if((slideID)&&(slideID[0].slice(0,1)=='#')){var dest=findSlide(slideID[0].slice(1));if(dest!=null){if(aelements[i].addEventListener){aelements[i].addEventListener("click",new Function("e","if (document.getElementById('slideProj').disabled) return;"+"go("+dest+" - snum); "+"if (e.preventDefault) e.preventDefault();"),true);}else if(aelements[i].attachEvent){aelements[i].attachEvent("onclick",new Function("","if (document.getElementById('slideProj').disabled) return;"+"go("+dest+" - snum); "+"event.returnValue = false;"));}}}}} +function externalLinks(){if(!document.getElementsByTagName)return;var anchors=document.getElementsByTagName('a');for(var i=0;i<anchors.length;i++){var anchor=anchors[i];if(anchor.getAttribute('href')&&hasValue(anchor.rel,'external')){anchor.target='_blank';addClass(anchor,'external');}}} +function createControls(){var controlsDiv=document.getElementById("controls");if(!controlsDiv)return;var hider=' onmouseover="showHide(\'s\');" onmouseout="showHide(\'h\');"';var hideDiv,hideList='';if(controlVis=='hidden'){hideDiv=hider;}else{hideList=hider;} +controlsDiv.innerHTML='<form action="#" id="controlForm"'+hideDiv+'>'+'<div id="navLinks">'+'<a accesskey="t" id="toggle" href="javascript:toggle();">Ø<\/a>'+'<a accesskey="z" id="prev" href="javascript:go(-1);">«<\/a>'+'<a accesskey="x" id="next" href="javascript:go(1);">»<\/a>'+'<div id="navList"'+hideList+'><select id="jumplist" onchange="go(\'j\');"><\/select><\/div>'+'<\/div><\/form>';if(controlVis=='hidden'){var hidden=document.getElementById('navLinks');}else{var hidden=document.getElementById('jumplist');} +addClass(hidden,'hideme');} +function fontScale(){if(!s5mode)return false;var vScale=22;var hScale=32;if(window.innerHeight){var vSize=window.innerHeight;var hSize=window.innerWidth;}else if(document.documentElement.clientHeight){var vSize=document.documentElement.clientHeight;var hSize=document.documentElement.clientWidth;}else if(document.body.clientHeight){var vSize=document.body.clientHeight;var hSize=document.body.clientWidth;}else{var vSize=700;var hSize=1024;} +var newSize=Math.min(Math.round(vSize/vScale),Math.round(hSize/hScale));fontSize(newSize+'px');if(isGe){var obj=document.getElementsByTagName('body')[0];obj.style.display='none';obj.style.display='block';}} +function fontSize(value){if(!(s5ss=document.getElementById('s5ss'))){if(!isIE){document.getElementsByTagName('head')[0].appendChild(s5ss=document.createElement('style'));s5ss.setAttribute('media','screen, projection');s5ss.setAttribute('id','s5ss');}else{document.createStyleSheet();document.s5ss=document.styleSheets[document.styleSheets.length-1];}} +if(!isIE){while(s5ss.lastChild)s5ss.removeChild(s5ss.lastChild);s5ss.appendChild(document.createTextNode('body {font-size: '+value+' !important;}'));}else{document.s5ss.addRule('body','font-size: '+value+' !important;');}} +function notOperaFix(){slideCSS=document.getElementById('slideProj').href;var slides=document.getElementById('slideProj');var outline=document.getElementById('outlineStyle');slides.setAttribute('media','screen');outline.disabled=true;if(isGe){slides.setAttribute('href','null');slides.setAttribute('href',slideCSS);} +if(isIE&&document.styleSheets&&document.styleSheets[0]){document.styleSheets[0].addRule('img','behavior: url(ui/default/iepngfix.htc)');document.styleSheets[0].addRule('div','behavior: url(ui/default/iepngfix.htc)');document.styleSheets[0].addRule('.slide','behavior: url(ui/default/iepngfix.htc)');}} +function getIncrementals(obj){var incrementals=new Array();if(!obj) +return incrementals;var children=obj.childNodes;for(var i=0;i<children.length;i++){var child=children[i];if(hasClass(child,'incremental')){if(child.nodeName=='OL'||child.nodeName=='UL'){removeClass(child,'incremental');for(var j=0;j<child.childNodes.length;j++){if(child.childNodes[j].nodeType==1){addClass(child.childNodes[j],'incremental');}}}else{incrementals[incrementals.length]=child;removeClass(child,'incremental');}} +if(hasClass(child,'show-first')){if(child.nodeName=='OL'||child.nodeName=='UL'){removeClass(child,'show-first');if(child.childNodes[isGe].nodeType==1){removeClass(child.childNodes[isGe],'incremental');}}else{incrementals[incrementals.length]=child;}} +incrementals=incrementals.concat(getIncrementals(child));} +return incrementals;} +function createIncrementals(){var incrementals=new Array();for(var i=0;i<smax;i++){incrementals[i]=getIncrementals(document.getElementById('slide'+i));} +return incrementals;} +function defaultCheck(){var allMetas=document.getElementsByTagName('meta');for(var i=0;i<allMetas.length;i++){if(allMetas[i].name=='defaultView'){defaultView=allMetas[i].content;} +if(allMetas[i].name=='controlVis'){controlVis=allMetas[i].content;}}} +function trap(e){if(!e){e=event;e.which=e.keyCode;} +try{modifierKey=e.ctrlKey||e.altKey||e.metaKey;} +catch(e){modifierKey=false;} +return modifierKey||e.which==0;} +function startup(){defaultCheck();if(!isOp) +createControls();slideLabel();fixLinks();externalLinks();fontScale();if(!isOp){notOperaFix();incrementals=createIncrementals();slideJump();if(defaultView=='outline'){toggle();} +document.onkeyup=keys;document.onkeypress=trap;document.onclick=clicker;}} +window.onload=startup;window.onresize=function(){setTimeout('fontScale()',50);} +</script> </head ><body ><div class="layout"> |