var brName = navigator.appName;
var brVer = parseInt(navigator.appVersion);
var ver = ((brName == "Netscape" && brVer >= 3) || (brName == "Microsoft Internet Explorer" && brVer >= 3));

if (ver)
{
	numOfItems = 7;
	var activeItem = -1;

	var line_0 = new Image(13, 30);
	var line_1 = new Image(13, 30);
	var line_2 = new Image(13, 30);

	line_0.src = "images/menu/ver_line_0.gif";
	line_1.src = "images/menu/ver_line_1.gif";
	line_2.src = "images/menu/ver_line_2.gif";

	var item1_0 = new Image(37, 22);
	var item1_1 = new Image(37, 22);
	var item1_2 = new Image(37, 22);
	var item2_0 = new Image(55, 22);
	var item2_1 = new Image(55, 22);
	var item2_2 = new Image(55, 22);
	var item3_0 = new Image(65, 22);
	var item3_1 = new Image(65, 22);
	var item3_2 = new Image(65, 22);
	var item4_0 = new Image(103, 22);
	var item4_1 = new Image(103, 22);
	var item4_2 = new Image(103, 22);
	var item5_0 = new Image(75, 22);
	var item5_1 = new Image(75, 22);
	var item5_2 = new Image(75, 22);
	var item6_0 = new Image(62, 22);
	var item6_1 = new Image(62, 22);
	var item6_2 = new Image(62, 22);
	var item7_0 = new Image(35, 22);
	var item7_1 = new Image(35, 22);
	var item7_2 = new Image(35, 22);

	item1_0.src = "images/menu/home_0.gif";
	item1_1.src = "images/menu/home_1.gif";
	item1_2.src = "images/menu/home_2.gif";
	item2_0.src = "images/menu/satzung_0.gif";
	item2_1.src = "images/menu/satzung_1.gif";
	item2_2.src = "images/menu/satzung_2.gif";
	item3_0.src = "images/menu/vorstand_0.gif";
	item3_1.src = "images/menu/vorstand_1.gif";
	item3_2.src = "images/menu/vorstand_2.gif";
	item4_0.src = "images/menu/mitgliedschaft_0.gif";
	item4_1.src = "images/menu/mitgliedschaft_1.gif";
	item4_2.src = "images/menu/mitgliedschaft_2.gif";
	item5_0.src = "images/menu/aktivitaeten_0.gif";
	item5_1.src = "images/menu/aktivitaeten_1.gif";
	item5_2.src = "images/menu/aktivitaeten_2.gif";
	item6_0.src = "images/menu/lageplan_0.gif";
	item6_1.src = "images/menu/lageplan_1.gif";
	item6_2.src = "images/menu/lageplan_2.gif";
	item7_0.src = "images/menu/links_0.gif";
	item7_1.src = "images/menu/links_1.gif";
	item7_2.src = "images/menu/links_2.gif";
}

function over(item)
{
	if (ver)
	{
		if (activeItem != item)
		{
			document["item" + item].src = eval("item" + item + "_1").src;
			document["line" + item].src = line_1.src;
			document["line" + (item - 1)].src = line_1.src;
		}
	}
	return(true);
}

function out(item)
{
	if (ver)
	{
		if (activeItem != item)
		{
			document["item" + item].src = eval("item" + item + "_0").src;
			if (activeItem != item + 1) document["line" + item].src = line_0.src;
			if (activeItem != item - 1) document["line" + (item - 1)].src = line_0.src;
		}
	}
	return(true);
}

function clicked(item)
{
	if (ver)
	{
		activeItem = item;

		if (item == 1) document["line0"].src = line_2.src;
		else document["line0"].src = line_0.src;

		for (i = 1; i <= numOfItems; i++)
		{
			if (i == item)
			{
				document["item" + i].src = eval("item" + i + "_2").src;
				document["line" + i].src = line_2.src;
			}
			else
			{
				document["item" + i].src = eval("item" + i + "_0").src;
				document["line" + i].src = line_0.src;
			}
		}

		document["line" + (item - 1)].src = line_2.src;
	}
	return(true);
}