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=420,height=340,scrollbars=no');
		
		return false;
	}