function externalLink (loc) 
{
	window.open(loc,'newwindow','height=400,width=640,toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes,copyhistory=yes');
}

function popupAndFocus(url, wName, height, width)
{
	var w=window.open(url,wName,'width=' + width + ',height=' + height + ',resizable=0,scrollbars=1');
	w.focus();
}