function popup(mylink, windowname)
{
	if (! window.focus) return true;
	var href;
	if (typeof(mylink) == 'string')	href=mylink;
	else href=mylink.href;
	
	window.open(href, windowname, 'width=500,height=450,scrollbars=yes,resizable=yes');
	
	return false;
}