function show_act(obj)
	{
		var menu_l="ml"+obj;
		var menu_r="mr"+obj;
		document.all[menu_l].src="i/link_act.gif";
		document.all[menu_r].src="i/link_act.gif";
	}
	function hide_act(obj)
	{
		var menu_l="ml"+obj;
		var menu_r="mr"+obj;
		document.all[menu_l].src="i/link.gif";
		document.all[menu_r].src="i/link.gif";
	}
	function topicons(ico,act)
	{
		img_home_act = new Image();
		img_home_act.src = "i/topicons/home-act.gif";

		img_mail_act = new Image();
		img_mail_act.src = "i/topicons/mail-act.gif";

		img_map_act = new Image();
		img_map_act.src = "i/topicons/map-act.gif";


		img_icon1_home = new Image();
		img_icon1_home.src = "i/topicons/icon1-home.gif";

		img_icon1_mail = new Image();
		img_icon1_mail.src = "i/topicons/icon1-mail.gif";

		img_icon2_mail = new Image();
		img_icon2_mail.src = "i/topicons/icon2-mail.gif";

		img_icon2_map = new Image();
		img_icon2_map.src = "i/topicons/icon2-map.gif";

		if (ico=='home')
		{
			if (act)
			{
				document.all['home'].src=img_home_act.src;
				document.all['icon1'].src=img_icon1_home.src;
			}
			else
			{
				document.all['home'].src='i/topicons/home.gif';
				document.all['icon1'].src='i/topicons/icon1.gif';
			}
		}
		if (ico=='mail')
		{
			if (act)
			{
				document.all['mail'].src=img_mail_act.src;
				document.all['icon1'].src=img_icon1_mail.src;
				document.all['icon2'].src=img_icon2_mail.src;
			}
			else
			{
				document.all['mail'].src='i/topicons/mail.gif';
				document.all['icon1'].src='i/topicons/icon1.gif';
				document.all['icon2'].src='i/topicons/icon2.gif';
			}
		}
		if (ico=='map')
		{
			if (act)
			{
				document.all['map'].src=img_map_act.src;
				document.all['icon2'].src=img_icon2_map.src;
			}
			else
			{
				document.all['map'].src='i/topicons/map.gif';
				document.all['icon2'].src='i/topicons/icon2.gif';
			}
		}
	}