function OpenNewPopUp(Link) { 
   var OffTop = (screen.height - 350) / 2; 
   var OffLeft = (screen.width - 500) / 2; 
   var Options = "height=250,width=500,top="+OffTop+",left="+OffLeft; 
   if (window.name != 'popUpShown'){
   	   window.name = 'popUpShown';
	   var ShowpopUp = window.open(Link,"Showreal", Options); 
	   ShowpopUp.focus(); 
	   }
	  return
	}