function openpopup(thepage)
  {
  	var popleft=((document.body.clientWidth-665) / 2)+window.screenLeft;
	var poptop=(((document.body.clientHeight-500) / 2))+window.screenTop-40;	
   if (!window.calendarWindow) 
    {
	calendarWindow = window.open(thepage,"Detail","width=665,height=500,left="+popleft+",top="+poptop+",toolbar=0,status=0,location=0,menubar=0,scrollbars=yes,resizable=1");
	}
   else
	{
	if (!calendarWindow.closed)
	  {
	  calendarWindow.focus();
	  calendarWindow.location = thepage
	  }
	 else
	  {
	   calendarWindow = window.open(thepage,"Detail","width=665,height=500,left="+popleft+",top="+poptop+",toolbar=0,status=0,location=0,menubar=0,scrollbars=yes,resizable=1");
	  }
	}
   }
     function openpopup2(thepage)
  {
  	var popleft=((document.body.clientWidth-380) / 2)+window.screenLeft;
	var poptop=(((document.body.clientHeight-320) / 2))+window.screenTop-40;	
   if (!window.calendarWindow) 
    {
	calendarWindow = window.open(thepage,"Detail","width=380,height=320,left="+popleft+",top="+poptop+",toolbar=0,status=0,location=0,menubar=0,scrollbars=yes,resizable=1");
	}
   else
	{
	if (!calendarWindow.closed)
	  {
	  calendarWindow.focus();
	  calendarWindow.location = thepage
	  }
	 else
	  {
	   calendarWindow = window.open(thepage,"Detail","width=380,height=320,left="+popleft+",top="+poptop+",toolbar=0,status=0,location=0,menubar=0,scrollbars=yes,resizable=1");
	  }
	}
   }