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=650,height=400,left=100,top=100,dependent=yes,resizable=yes');
	return false;
}