var img_active = "./img/navigation_button_active.gif";
		var img_inactive = "./img/navigation_button_inactive.gif";
		var name_of_first_nav_element = "nav_1";		
	
		// sartseite in hauptfenster laden
		parent.main.location = "index.php?id=3";


		if( navigator.userAgent.indexOf("MSIE") < 0 )
		{
			parent.newsticker.location="newsticker.php?noIE=1";
		}

		function selMenuExternal( newItem, choosenUrl )
		{
			document.images[oldItem].src = "img/navigation_button_inactive.gif";
			document.images[newItem].src = "img/navigation_button_active.gif";
			oldItem = newItem;
		}

		function selMenu( newItem, choosenUrl )
		{
			if( newItem == name_of_first_nav_element )
			{
				document.frmDataStore.number1.value++;
				if( document.frmDataStore.number1.value >= 5 )
				{
					alert("Nice - you got it ;-)");
					document.frmDataStore.number1.value = 0;
					parent.main.location = "cgi-bin/history.pl";
				}
				// I HATE NS4.X !!!
				else
				{
					parent.main.location = choosenUrl;
					selMenuExternal( newItem, choosenUrl );
				}
			}
			else
			{
				// I HATE NS4.X !!!
				parent.main.location = choosenUrl;
				selMenuExternal( newItem, choosenUrl );

				document.frmDataStore.number1.value = 0;
			}
		}