var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};
function textToImage(cname, options)
{   
    var c = null;
    var s = null;
    var f = null;
    if(options.length > 0)
    {
        var i = 0;
        var parts = null;
        for(i = 0; i < options.length; i++)
        {
            parts = options[i].split(/:/);
            if(parts[0] == 'colour')
            {
                c = parts[1];
            }
            else if(parts[0] == 'size')
            {
                s = parts[1];
            }
            else if(parts[0] == 'font')
            {
                f = parts[1];
            }
        }
    }
	
	var elem = findElem(document, cname);
	
	var imgURL = null;
	var elemATags = null;
	var curElem = null;
	for(i = 0; i < elem.length; i++)
	{
		elemATags = elem[i].getElementsByTagName('a');
		if(elemATags.length > 0)
		{
			curElem = elemATags[0];
		}
		else
		{
			curElem = elem[i];
		}
		if(curElem.innerHTML != '')
		{
			imgURL = '/difr.php?t='+encodeURI(curElem.innerHTML);
			if(c != null)
			{
				imgURL += '&c='+encodeURI(c);
			}
			if(s != null)
			{
				imgURL += '&s='+encodeURI(s);
			}
			if(f != null)
			{
				imgURL += '&f='+encodeURI(f);
			}
			imgURL = imgURL.replace(/'/g,'%27');
			imgURL = imgURL.replace(/,/g,'%2C');
			if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
			curElem.innerHTML = '<span style="display:inline-block; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='+imgURL+');"><img style="filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" src="'+imgURL+'" border="0" alt="'+curElem.innerHTML.replace(/<[^>]*>/, "")+'" title="'+curElem.innerHTML.replace(/<[^>]*>/, "")+'"></span>';
                        } else {
			curElem.innerHTML = '<img src="'+imgURL+'" border="0" alt="'+curElem.innerHTML.replace(/<[^>]*>/, "")+'" title="'+curElem.innerHTML.replace(/<[^>]*>/, "")+'" />';
                        } 


		}
	}
}


function findElem(doc, elemStr)
{
	if(!elemStr.match(/ /))
	{
		if(elemStr.charAt(0) == '#')
		{
			return [doc.getElementById(elemStr.substring(1))];
		}
		else if(elemStr.charAt(0) == '.')
		{
			return getElementsByClassName(elemStr.substring(1), false, doc);
		}
		else
		{
			return doc.getElementsByTagName(elemStr);
		}
	}
	
	var elemParts = elemStr.split(/ /);
	var elemLoop = null;
	var elemCol = null;
	var elemRet = null;
	var i = 0;
	var j = 0;
	var count = 0;
	if(elemParts[0].charAt(0) == '#')
	{
		return findElem(doc.getElementById(elemParts[0].substring(1)), elemStr.replace(/^[^ ]* /, ''));
	}
	else if(elemParts[0].charAt(0) == '.')
	{
		elemLoop = getElementsByClassName(elemParts[0].substring(1));
		elemRet = new Array();
		for(i = 0; i < elemLoop.length; i++)
		{
			elemCol = findElem(elemLoop[i], elemStr.replace(/^[^ ]* /, ''));
			for(j = 0; j < elemCol.length; j++)
			{
				elemRet[count] = elemCol[j];
				count++;
			}
		}
		return elemRet;
	}
	else
	{
		elemLoop = doc.getElementsByTagName(elemParts[0]);
		elemRet = new Array();
		for(i = 0; i < elemLoop.length; i++)
		{
			elemCol = findElem(elemLoop[i], elemStr.replace(/^[^ ]* /, ''));
			for(j = 0; j < elemCol.length; j++)
			{
				elemRet[count] = elemCol[j];
				count++;
			}
		}
		return elemRet;
	}	
}