var win3 = false;
var win4 = false;
function pop_em (adr, wth, hght)
{
	hght = hght + 25; 
	if (win3) win3.close();
	if (arguments[3] != undefined) {win3=window.open("","win3","toolbar=no,location=no,directories=no,status=1,menubar=no,width="+wth+", height="+hght+" scrollbars=no,left=200,top=0");
	} else win3=window.open("","win3","toolbar=no,location=no,directories=no,status=1,menubar=no,width="+wth+", height="+hght+"scrollbars=no,left=200,top=0");
	win3.focus();
	
	win3.resizeTo(wth,hght );
	win3.location=adr;
	return false;
}