function openPopUpWindow(URLStr, left, top, width, height, center_popup, scrollable){
  if (center_popup==true){
  	left=screen.width/2-width/2;
	top=screen.height/2-height/2;
  }   
  popUpWin = window.open(''+URLStr+'', 'popUpWin', 'border=1,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}