var popUpWin=0;

function popUpWindow(URLStr, left, top, width, height) {

	if(popUpWin) {

		if (!popUpWin.closed) popUpWin.close();

	}

	popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=yes,resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');



}