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/*
March 19, 2004 MathHTML (c) Peter Jipsen http://www.chapman.edu/~jipsen
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.
*/
function convertMath(node) {// for Gecko
if (node.nodeType==1) {
var newnode =
document.createElementNS("http://www.w3.org/1998/Math/MathML",
node.nodeName.toLowerCase());
for(var i=0; i < node.attributes.length; i++)
newnode.setAttribute(node.attributes[i].nodeName,
node.attributes[i].nodeValue);
for (var i=0; i<node.childNodes.length; i++) {
var st = node.childNodes[i].nodeValue;
if (st==null || st.slice(0,1)!=" " && st.slice(0,1)!="\n")
newnode.appendChild(convertMath(node.childNodes[i]));
}
return newnode;
}
else return node;
}
function convert() {
var mmlnode = document.getElementsByTagName("math");
var st,str,node,newnode;
for (var i=0; i<mmlnode.length; i++)
if (document.createElementNS!=null)
mmlnode[i].parentNode.replaceChild(convertMath(mmlnode[i]),mmlnode[i]);
else { // convert for IE
str = "";
node = mmlnode[i];
while (node.nodeName!="/MATH") {
st = node.nodeName.toLowerCase();
if (st=="#text") str += node.nodeValue;
else {
str += (st.slice(0,1)=="/" ? "</m:"+st.slice(1) : "<m:"+st);
if (st.slice(0,1)!="/")
for(var j=0; j < node.attributes.length; j++)
if (node.attributes[j].nodeValue!="italic" &&
node.attributes[j].nodeValue!="" &&
node.attributes[j].nodeValue!="inherit" &&
node.attributes[j].nodeValue!=undefined)
str += " "+node.attributes[j].nodeName+"="+
"\""+node.attributes[j].nodeValue+"\"";
str += ">";
}
node = node.nextSibling;
node.parentNode.removeChild(node.previousSibling);
}
str += "</m:math>";
newnode = document.createElement("span");
node.parentNode.replaceChild(newnode,node);
newnode.innerHTML = str;
}
}
if (document.createElementNS==null) {
document.write("<object id=\"mathplayer\"\
classid=\"clsid:32F66A20-7614-11D4-BD11-00104BD3F987\"></object>");
document.write("<?import namespace=\"m\" implementation=\"#mathplayer\"?>");
}
if(typeof window.addEventListener != 'undefined'){
window.addEventListener('load', convert, false);
}
if(typeof window.attachEvent != 'undefined') {
window.attachEvent('onload', convert);
}
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