function ReviewClicked(ref) {
			var w = 400;
			var h = 300;
			var wleft = parseInt((screen.availWidth/2) - (w/2));;
			var wtop = parseInt((screen.availHeight/2) - (h/2));
			var windowFeatures = "width=400,height=320,status,toolbar=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,modal=yes,left=" + wleft + ",top=" + wtop + ",screenX=" + wleft + ",screenY=" + wtop;
			window.open (ref,"",windowFeatures);
}