// popupWin function

var popUpWin=0;

function popUpWindow(URLStr, width, height)
{	
	var winl = (screen.width - width) / 2;
    var wint = (screen.height - height) / 2;
	if(popUpWin)
	{
		if(!popUpWin.closed) popUpWin.close();
	}
	popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width='+width+',height='+height+'');
	popUpWin.moveTo(winl, wint);
}