var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height)
{
	if(popUpWin)
	{
		popUpWin.close();
		popUpWin=0;
	}
	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+'');
}
function trim(str) 
{
	str = escape(str);
	return str.replace(/(%A0)+/,"");
}