/*
	JavaScript
	(c) netcontact
	date: 13.09.2006 (MF)
*/

var active_btn = -1;

btn_normal = new Image(); btn_normal.src = "_img/_navi/inaktiv.gif";
btn_over   = new Image(); btn_over.src   = "_img/_navi/over.gif";
btn_down   = new Image(); btn_down.src   = "_img/_navi/aktiv.gif";

function over( n )
{
	if (n != active_btn)
		document.images["btn"+n ].src = btn_over.src;
}

function out( n )
{
	if (n != active_btn)
		document.images["btn"+n].src = btn_normal.src;
		
}

function down( n )
{
	if ((active_btn > -1) && (n != active_btn))
		document.images["btn" + active_btn].src = btn_normal.src;
	active_btn = n;
	document.images["btn" + n].src = btn_down.src;
}