function openPopup(url, wWidth, wHeight) {					
			var targetX = Math.abs (parseInt(window.screen.width) / 2 - parseInt(wWidth));  
			var targetY = Math.abs(parseInt(window.screen.height) / 2 - parseInt(wHeight));						
			var winOptions='toolbar=no,menubar=no,location=no,resizable=no,status=no,width='+wWidth+',height='+wHeight+',scrollbars=no';
			var winRef=window.open(url,'broadbandPopup',winOptions);      
			winRef.moveTo(targetX,targetY);
	}