var navigation_div = "navigation" /* ID des Navigations-DIV */
var footer_div = "adressen" /* ID des Footer-DIV */
var footer_link = "footer_link" /* ID des Footer-Links zum toggeln */
var close_height = "33px"; /* Höhe des geschlossenen DIVs */

/* Höhe der geöffneten Navigation wird aus dem CSS ausgelesen */
function initialize() {
	nav_open_height = document.getElementById(navigation_div).style.height;
	fot_open_height = document.getElementById(footer_div).style.height;
	fot_bgimage = document.getElementById(footer_div).style.background;
}
function ausblenden() {
	document.getElementById(navigation_div).style.height = close_height;nav_status = 0;
	document.getElementById(footer_div).style.height = close_height;fot_status = 0;
	document.getElementById(footer_link).style.background = "url(images/layout/footer_close.gif) no-repeat 190px 11px";
}
function nav_wechseln() {
	if (nav_status==0) {document.getElementById(navigation_div).style.height = nav_open_height;nav_status=1;}
	else {document.getElementById(navigation_div).style.height = close_height;nav_status=0}
}
function fot_wechseln() {
	if (fot_status==0) {
		document.getElementById(footer_div).style.height = fot_open_height;
		document.getElementById(footer_link).style.background = fot_bgimage;
		fot_status=1;}
	else {
		document.getElementById(footer_div).style.height = close_height;
		document.getElementById(footer_link).style.background = "url(images/layout/footer_close.gif) no-repeat 190px 11px"			
		fot_status=0;}
}

function starten() {
	initialize(); ausblenden();
}

Event.observe(window, 'load', starten, false);