function PrettifyCode(){
	//var pres = document.getElementsByTagName('pre');
	//document.getElementById('foo').value=pres.length;
	//for (var i=0,len=pres.length;i<len;i++){
	//	pres[i].innerHTML=SyntaxColored(pres[i].firstChild.data);
	//}

	var codes = document.getElementsByTagName('code');
	for (var i=0,len=codes.length;i<len;i++) codes[i].innerHTML=SyntaxColored(codes[i].firstChild.data);

	function SyntaxColored(js){
		if (!js || !js.replace) return "";
		js=js.replace(/\r/g,'\n');
		var parens = /([\]\[(){}]+)/g;
		var comments = /(\/\/[^\n]+)/g;
		var comments2 = /(\/\*(.|\n)+\*\/)/g;
		var keywords = /\b(function|var|if|isNaN|return|if|else|for|while|new|continue|switch|case|true|false|prototype|constructor|caller|Number|Date|Object|String|Function|Array|RegExp|Boolean|Math)\b/g;
		var strings = /("(\\.|[^\\"\n]+)*")/g;
		var strings2 = /('(\\.|[^\\'\n]+)*')/g;
		js=js.replace(parens,'<span class=paren>$1</span>');
		js=js.replace(keywords,'<span class=keyword>$1</span>');
		js=js.replace(strings,'<span class=string>$1</span>'); //.replace(strings2,'<span class=string>$1</span>');
		js=js.replace(comments,'<span class=comment>$1</span>').replace(comments2,'<span class=comment>$1</span>');
		if (document.all) js=js.replace(/\n/g,"<br>").replace(/  /g," &nbsp;").replace(/\t/g," &nbsp; &nbsp;"); //IE-specific hack
		js=js.replace(/<\/span>\n/g,"</span>&nbsp;\n");
		return js;
	}
}
function AttachEvent(obj,evt,fnc,useCapture){
  if (obj.addEventListener){
    obj.addEventListener(evt,fnc,useCapture);
    return true;
  } else if (obj.attachEvent) return obj.attachEvent("on"+evt,fnc);
  else obj['on'+evt]=fnc;
}

AttachEvent(window,'load',PrettifyCode);