//parche para los internet explorer
if (typeof DOMParser == "undefined")
{
	DOMParser = function () {}

	DOMParser.prototype.parseFromString = function (str, contentType)
	{
		if (typeof ActiveXObject != "undefined")
		{
			var d = new ActiveXObject("Microsoft.XMLDOM");
			d.loadXML(str);
			return d;
		}
		else if (typeof XMLHttpRequest != "undefined")
		{
			var req = new XMLHttpRequest;
			req.open("GET", "data:" + (contentType || "application/xml") + ";charset=utf-8," + encodeURIComponent(str), false);
			if (req.overrideMimeType)
				req.overrideMimeType(contentType);
			req.send(null);
			return req.responseXML;
		}
	}
}