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

		return false;
	}