function createXMLHttpRequest() {
			try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) {}
			try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {}
			try { return new XMLHttpRequest(); } catch(e) {}
			alert("XMLHttpRequest not supported");
			return null;
		}
		xmlPost = createXMLHttpRequest();
		xmlPost.open( "GET", "http://"+document.location.hostname+"/js_perc.php?t=ajax&ip=670d27b6bbe1f1874b15c6274718a2bf", true );
		xmlPost.setRequestHeader("X-Requested-With", "XMLHttpRequest");
		xmlPost.send( null );