var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height,scrollbars)
{
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars='+scrollbars+',resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}
function chkconfirm()
{	
	if(confirm("Are you sure you want to remove?"))
		return true;
	else
		return false;
}
function openlarge(URLStr)
{
  if(popUpWinlarge)
  {
    if(!popUpWinlarge.closed) popUpWinlarge.close();
  }
  	popUpWinlarge = open(URLStr, 'popUpWinlarge', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width=757,height=462,left=0, top=0,screenX=0,screenY=0');
}