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=no,resizable=no,copyhistory=no,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}