var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height)
{
	if(popUpWin) {
		if(!popUpWin.closed) popUpWin.close();
	}
	//alert(URLStr);
	popUpWin = open(URLStr, 'popUpWin','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+', height='+height+',left='+left+',top='+top+',screenX='+left+',screenY='+top+'');
}