diff options
Diffstat (limited to 'source-builder/sb/asciidoc/javascripts/ASCIIMathML.js')
| -rw-r--r-- | source-builder/sb/asciidoc/javascripts/ASCIIMathML.js | 938 |
1 files changed, 0 insertions, 938 deletions
diff --git a/source-builder/sb/asciidoc/javascripts/ASCIIMathML.js b/source-builder/sb/asciidoc/javascripts/ASCIIMathML.js deleted file mode 100644 index 489b312..0000000 --- a/source-builder/sb/asciidoc/javascripts/ASCIIMathML.js +++ /dev/null @@ -1,938 +0,0 @@ -/* -ASCIIMathML.js -============== -This file contains JavaScript functions to convert ASCII math notation -to Presentation MathML. The conversion is done while the (X)HTML page -loads, and should work with Firefox/Mozilla/Netscape 7+ and Internet -Explorer 6+MathPlayer (http://www.dessci.com/en/products/mathplayer/). -Just add the next line to your (X)HTML page with this file in the same folder: -This is a convenient and inexpensive solution for authoring MathML. - -Version 1.4.7 Dec 15, 2005, (c) Peter Jipsen http://www.chapman.edu/~jipsen -Latest version at http://www.chapman.edu/~jipsen/mathml/ASCIIMathML.js -For changes see http://www.chapman.edu/~jipsen/mathml/asciimathchanges.txt -If you use it on a webpage, please send the URL to jipsen@chapman.edu - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or (at -your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License (at http://www.gnu.org/copyleft/gpl.html) -for more details. -*/ - -var checkForMathML = true; // check if browser can display MathML -var notifyIfNoMathML = true; // display note if no MathML capability -var alertIfNoMathML = false; // show alert box if no MathML capability -var mathcolor = ""; // change it to "" (to inherit) or any other color -var mathfontfamily = "serif"; // change to "" to inherit (works in IE) - // or another family (e.g. "arial") -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 AMdelimiter2 = "$", AMescape2 = "\\\\\\$", AMdelimiter2regexp = "\\$"; -var doubleblankmathdelimiter = false; // if true, x+1 is equal to `x+1` - // for IE this works only in <!-- --> -//var separatetokens;// has been removed (email me if this is a problem) -var isIE = document.createElementNS==null; - -if (document.getElementById==null) - alert("This webpage requires a recent browser such as\ -\nMozilla/Netscape 7+ or Internet Explorer 6+MathPlayer") - -// all further global variables start with "AM" - -function AMcreateElementXHTML(t) { - if (isIE) return document.createElement(t); - else return document.createElementNS("http://www.w3.org/1999/xhtml",t); -} - -function AMnoMathMLNote() { - var nd = AMcreateElementXHTML("h3"); - nd.setAttribute("align","center") - nd.appendChild(AMcreateElementXHTML("p")); - nd.appendChild(document.createTextNode("To view the ")); - var an = AMcreateElementXHTML("a"); - an.appendChild(document.createTextNode("ASCIIMathML")); - an.setAttribute("href","http://www.chapman.edu/~jipsen/asciimath.html"); - nd.appendChild(an); - nd.appendChild(document.createTextNode(" notation use Internet Explorer 6+")); - an = AMcreateElementXHTML("a"); - an.appendChild(document.createTextNode("MathPlayer")); - an.setAttribute("href","http://www.dessci.com/en/products/mathplayer/download.htm"); - nd.appendChild(an); - nd.appendChild(document.createTextNode(" or Netscape/Mozilla/Firefox")); - nd.appendChild(AMcreateElementXHTML("p")); - return nd; -} - -function AMisMathMLavailable() { - if (navigator.appName.slice(0,8)=="Netscape") - if (navigator.appVersion.slice(0,1)>="5") return null; - else return AMnoMathMLNote(); - else if (navigator.appName.slice(0,9)=="Microsoft") - try { - var ActiveX = new ActiveXObject("MathPlayer.Factory.1"); - return null; - } catch (e) { - return AMnoMathMLNote(); - } - else return AMnoMathMLNote(); -} - -// 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; // token types - -var AMsqrt = {input:"sqrt", tag:"msqrt", output:"sqrt", tex:null, ttype:UNARY}, - AMroot = {input:"root", tag:"mroot", output:"root", tex:null, ttype:BINARY}, - AMfrac = {input:"frac", tag:"mfrac", output:"/", tex:null, ttype:BINARY}, - AMdiv = {input:"/", tag:"mfrac", output:"/", tex:null, ttype:INFIX}, - AMover = {input:"stackrel", tag:"mover", output:"stackrel", tex:null, ttype:BINARY}, - AMsub = {input:"_", tag:"msub", output:"_", tex:null, ttype:INFIX}, - AMsup = {input:"^", tag:"msup", output:"^", tex:null, ttype:INFIX}, - AMtext = {input:"text", tag:"mtext", output:"text", tex:null, ttype:TEXT}, - AMmbox = {input:"mbox", tag:"mtext", output:"mbox", tex:null, ttype:TEXT}, - 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:"\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:"\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 -AMsqrt, AMroot, AMfrac, AMdiv, AMover, AMsub, AMsup, -{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}, -AMtext, AMmbox, 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 AMinitSymbols() { - 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); - AMsymbols.sort(compareNames); - for (i=0; i<AMsymbols.length; i++) AMnames[i] = AMsymbols[i].input; -} - -var AMmathml = "http://www.w3.org/1998/Math/MathML"; - -function AMcreateElementMathML(t) { - if (isIE) return document.createElement("m:"+t); - else return document.createElementNS(AMmathml,t); -} - -function AMcreateMmlNode(t,frag) { -// var node = AMcreateElementMathML(name); - if (isIE) var node = document.createElement("m:"+t); - else var node = document.createElementNS(AMmathml,t); - node.appendChild(frag); - return node; -} - -function newcommand(oldstr,newstr) { - AMsymbols = AMsymbols.concat([{input:oldstr, tag:"mo", output:newstr, - tex:null, ttype:DEFINITION}]); -} - -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 AMposition(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 = AMposition(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); - } -} - -/*Parsing ASCII math expressions with the following grammar -v ::= [A-Za-z] | greek letters | numbers | other constant symbols -u ::= sqrt | text | bb | other unary symbols for font commands -b ::= frac | root | stackrel binary symbols -l ::= ( | [ | { | (: | {: left brackets -r ::= ) | ] | } | :) | :} right brackets -S ::= v | lEr | uS | bSS Simple expression -I ::= S_S | S^S | S_S^S | S Intermediate expression -E ::= IE | I/I Expression -Each terminal symbol is translated into a corresponding mathml node.*/ - -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 [AMcreateMmlNode(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 = AMcreateMmlNode("mrow",result[0]); - else { - node = AMcreateMmlNode("mo",document.createTextNode(symbol.output)); - node = AMcreateMmlNode("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 = AMcreateElementMathML("mspace"); - node.setAttribute("width","1ex"); - newFrag.appendChild(node); - } - newFrag.appendChild( - AMcreateMmlNode(symbol.tag,document.createTextNode(st))); - if (st.charAt(st.length-1) == " ") { - node = AMcreateElementMathML("mspace"); - node.setAttribute("width","1ex"); - newFrag.appendChild(node); - } - str = AMremoveCharsAndBlanks(str,i+1); - return [AMcreateMmlNode("mrow",newFrag),str]; - case UNARY: - str = AMremoveCharsAndBlanks(str,symbol.input.length); - result = AMparseSexpr(str); - if (result[0]==null) return [AMcreateMmlNode(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 [AMcreateMmlNode(symbol.tag, - document.createTextNode(symbol.output)),str]; - } else { - node = AMcreateMmlNode("mrow", - AMcreateMmlNode(symbol.tag,document.createTextNode(symbol.output))); - node.appendChild(result[0]); - return [node,result[1]]; - } - } - AMremoveBrackets(result[0]); - if (symbol.input == "sqrt") { // sqrt - return [AMcreateMmlNode(symbol.tag,result[0]),result[1]]; - } else if (typeof symbol.acc == "boolean" && symbol.acc) { // accent - node = AMcreateMmlNode(symbol.tag,result[0]); - node.appendChild(AMcreateMmlNode("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]=AMcreateElementMathML("mo"). - appendChild(document.createTextNode(newst)); - else result[0].replaceChild(AMcreateElementMathML("mo"). - appendChild(document.createTextNode(newst)),result[0].childNodes[i]); - } - } - node = AMcreateMmlNode(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 [AMcreateMmlNode("mo", - document.createTextNode(symbol.input)),str]; - AMremoveBrackets(result[0]); - var result2 = AMparseSexpr(result[1]); - if (result2[0]==null) return [AMcreateMmlNode("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 [AMcreateMmlNode(symbol.tag,newFrag),result2[1]]; - case INFIX: - str = AMremoveCharsAndBlanks(str,symbol.input.length); - return [AMcreateMmlNode("mo",document.createTextNode(symbol.output)),str]; - case SPACE: - str = AMremoveCharsAndBlanks(str,symbol.input.length); - node = AMcreateElementMathML("mspace"); - node.setAttribute("width","1ex"); - newFrag.appendChild(node); - newFrag.appendChild( - AMcreateMmlNode(symbol.tag,document.createTextNode(symbol.output))); - node = AMcreateElementMathML("mspace"); - node.setAttribute("width","1ex"); - newFrag.appendChild(node); - return [AMcreateMmlNode("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 = AMcreateMmlNode("mo",document.createTextNode(symbol.output)); - node = AMcreateMmlNode("mrow",node); - node.appendChild(result[0]); - return [node,result[1]]; - } else { // the "|" is a \mid - node = AMcreateMmlNode("mo",document.createTextNode(symbol.output)); - node = AMcreateMmlNode("mrow",node); - return [node,str]; - } - default: -//alert("default"); - str = AMremoveCharsAndBlanks(str,symbol.input.length); - return [AMcreateMmlNode(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] = AMcreateMmlNode("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 = AMcreateMmlNode((underover?"munderover":"msubsup"),node); - node.appendChild(result[0]); - node.appendChild(res2[0]); - node = AMcreateMmlNode("mrow",node); // so sum does not stretch - } else { - node = AMcreateMmlNode((underover?"munder":"msub"),node); - node.appendChild(result[0]); - } - } else { - node = AMcreateMmlNode(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] = AMcreateMmlNode("mo",document.createTextNode("\u25A1")); - else AMremoveBrackets(result[0]); - str = result[1]; - AMremoveBrackets(node); - node = AMcreateMmlNode(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(AMcreateMmlNode("mtd",frag)); - k++; - } else frag.appendChild(node.firstChild); - } - row.appendChild(AMcreateMmlNode("mtd",frag)); - if (newFrag.childNodes.length>2) { - newFrag.removeChild(newFrag.firstChild); //remove <mrow>)</mrow> - newFrag.removeChild(newFrag.firstChild); //remove <mo>,</mo> - } - table.appendChild(AMcreateMmlNode("mtr",row)); - } - node = AMcreateMmlNode("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 = AMcreateMmlNode("mo",document.createTextNode(symbol.output)); - newFrag.appendChild(node); - } - } - return [newFrag,str]; -} - -function AMparseMath(str) { - var result, node = AMcreateElementMathML("mstyle"); - if (mathcolor != "") node.setAttribute("mathcolor",mathcolor); - if (displaystyle) node.setAttribute("displaystyle","true"); - if (mathfontfamily != "") node.setAttribute("fontfamily",mathfontfamily); - AMnestingDepth = 0; - node.appendChild(AMparseExpr(str.replace(/^\s+/g,""),false)[0]); - node = AMcreateMmlNode("math",node); - if (showasciiformulaonhover) //fixed by djhsu so newline - node.setAttribute("title",str.replace(/\s+/g," "));//does not show in Gecko - if (mathfontfamily != "" && (isIE || mathfontfamily != "serif")) { - var fnode = AMcreateElementXHTML("font"); - fnode.setAttribute("face",mathfontfamily); - fnode.appendChild(node); - return fnode; - } - return node; -} - -function AMstrarr2docFrag(arr, linebreaks) { - var newFrag=document.createDocumentFragment(); - var expr = false; - for (var i=0; i<arr.length; i++) { - if (expr) newFrag.appendChild(AMparseMath(arr[i])); - else { - var arri = (linebreaks ? arr[i].split("\n\n") : [arr[i]]); - newFrag.appendChild(AMcreateElementXHTML("span"). - appendChild(document.createTextNode(arri[0]))); - for (var j=1; j<arri.length; j++) { - newFrag.appendChild(AMcreateElementXHTML("p")); - newFrag.appendChild(AMcreateElementXHTML("span"). - appendChild(document.createTextNode(arri[j]))); - } - } - expr = !expr; - } - return newFrag; -} - -function AMprocessNodeR(n, linebreaks) { - 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" && - n.parentNode.nodeName!="pre" && n.parentNode.nodeName!="PRE") { - str = n.nodeValue; - if (!(str == null)) { - str = str.replace(/\r\n\r\n/g,"\n\n"); - if (doubleblankmathdelimiter) { - str = str.replace(/\x20\x20\./g," "+AMdelimiter1+"."); - str = str.replace(/\x20\x20,/g," "+AMdelimiter1+","); - str = str.replace(/\x20\x20/g," "+AMdelimiter1+" "); - } - str = str.replace(/\x20+/g," "); - str = str.replace(/\s*\r\n/g," "); - mtch = false; - str = str.replace(new RegExp(AMescape2, "g"), - function(st){mtch=true;return "AMescape2"}); - str = str.replace(new RegExp(AMescape1, "g"), - function(st){mtch=true;return "AMescape1"}); - str = str.replace(new RegExp(AMdelimiter2regexp, "g"),AMdelimiter1); - arr = str.split(AMdelimiter1); - for (i=0; i<arr.length; i++) - arr[i]=arr[i].replace(/AMescape2/g,AMdelimiter2). - replace(/AMescape1/g,AMdelimiter1); - if (arr.length>1 || mtch) { - if (checkForMathML) { - checkForMathML = false; - var nd = AMisMathMLavailable(); - AMnoMathML = nd != null; - if (AMnoMathML && notifyIfNoMathML) - if (alertIfNoMathML) - alert("To view the ASCIIMathML notation use Internet Explorer 6 +\nMathPlayer (free from www.dessci.com)\n\ - or Firefox/Mozilla/Netscape"); - else AMbody.insertBefore(nd,AMbody.childNodes[0]); - } - if (!AMnoMathML) { - frg = AMstrarr2docFrag(arr,n.nodeType==8); - 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 += AMprocessNodeR(n.childNodes[i], linebreaks); - } - 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") - AMprocessNodeR(frag[i],linebreaks); - } else { - try { - st = n.innerHTML; - } catch(err) {} - if (st==null || - st.indexOf(AMdelimiter1)!=-1 || st.indexOf(AMdelimiter2)!=-1) - AMprocessNodeR(n,linebreaks); - } - if (isIE) { //needed to match size and font of formula to surrounding text - frag = document.getElementsByTagName('math'); - for (var i=0;i<frag.length;i++) frag[i].update() - } -} - -var AMbody; -var AMnoMathML = false, AMtranslated = false; - -function translate(spanclassAM) { - if (!AMtranslated) { // run this only once - AMtranslated = true; - AMinitSymbols(); - AMbody = document.getElementsByTagName("body")[0]; - AMprocessNode(AMbody, false, spanclassAM); - } -} - -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\"?>"); -} - -// GO1.1 Generic onload by Brothercake -// http://www.brothercake.com/ -//onload function (replaces the onload="translate()" in the <body> tag) -function generic() -{ - translate(); -}; -//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 -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; - } -} |