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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++) {
if (node.attributes[i].nodeName == 'displaystyle') {
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() {
if (document.createElementNS) {
var mmlnode = document.getElementsByTagName("span");
for (var i=0; i<mmlnode.length; i++) {
var tmp_node = mmlnode[i];
if (tmp_node.className == 'asciimath') {
tmp_node.replaceChild(convertMath(tmp_node.firstChild),tmp_node.firstChild);
/*
for (var j=0;j<tmp_node.childNodes.length;j++) {
if (tmp_node.childNodes[j].nodeType != 3) {
}
}
*/
}
}
} else {
var st,node,newnode;
var mmlnode = document.getElementsByTagName("math");
for (var i=0; i<mmlnode.length; i++) {
var str = "";
node = mmlnode[i];
while (node.nodeName!="/MATH" && node.nextSibling) {
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);
}
if (str != '') {
str += "</m:math>";
newnode = document.createElement("span");
node.parentNode.replaceChild(newnode,node);
newnode.innerHTML = str;
}
}
}
}
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