nth-child for IE browser

nth-child4IE.js

/* thanks to:
 * http://stackoverflow.com/questions/3326494/parsing-css-in-javascript-jquery 
 * for this parser
 */
function CSS(css){
	this.parseCSS=function(css) {
		    var rules = {};
		    css = this.removeComments(css);
		    var blocks = css.split('}');
		    blocks.pop();
		    var len = blocks.length;
		    for (var i = 0; i < len; i++)
		    {
		        var pair = blocks[i].split('{');
		        rules[$.trim(pair[0])] = this.parseCSSBlock(pair[1]);
		    }
		    return rules;
	}
	this.parseCSSBlock= function(css) { 
	    var rule = {};
	    var declarations = css.split(';');
	    declarations.pop();
	    var len = declarations.length;
	    for (var i = 0; i < len; i++)
	    {
	        var loc = declarations[i].indexOf(':');
	        var property = $.trim(declarations[i].substring(0, loc));
	        var value = $.trim(declarations[i].substring(loc + 1));
	
	        if (property != "" && value != "")
	            rule[property] = value;
	    }
	    return rule;
	}
	this.removeComments= function(css) {
	    return css.replace(/\/\*(\r|\n|.)*\*\//g,"");
	}
	this.rules=this.parseCSS(css);
}

$('link[type="text/css"]').each(function(i,v){
	$.get($(v).attr("href")).done(
		function(data){ 
			$.getScript("js/libs/css-utils.js").done(function(){
				var css_parsed=(new CSS(data)).rules;
				$.each(css_parsed,function(i,v){
					if(i.search(/\:nth-(last-of-type|of-type|lasth-child|child)/i)>=0){
						$(i).css(v);
					}
				});
			});
	});
});