function PopUpW(Url, Ww, Wh, Resize)
{
 //Fixed
 var Wlpos = (screen.width - Ww)/2; 
 var Wtpos = (screen.height - Wh)/2;
 window.open(Url,'','width='+Ww+',height='+Wh+',left='+Wlpos+',top='+Wtpos+',scrollbars=1, resizable='+Resize+'');  
}