var go = 0;
var bc = 7;

var timer_started = false;
var timer1;
var timer = 500; // Zeit in Millisekunden, zum Einklappen der Untermenüs

menueRollImg = new Array(bc);
menueOffImg = new Array(bc);

function show_menue(menue_id){
	if(go!=1) return;
	hide_all_menues();
	hide_menue_timer_stop();

	if(document.layers) {
		document.layers["menue"+menue_id].visibility = "show";
		document.layers["bg_menue"+menue_id].visibility = "show";
	} else if(document.all) {
		document.all["menue"+menue_id].style.visibility = "visible";
		document.all["bg_menue"+menue_id].style.visibility = "visible";
	} else if(document.getElementById) {
		document.getElementById("menue"+menue_id).style.visibility = "visible";
		document.getElementById("bg_menue"+menue_id).style.visibility = "visible";
	}
	return true;
}

function hide_menue(menue_id){
	if(document.layers) {
		document.layers["menue"+menue_id].visibility = "hide";
		document.layers["bg_menue"+menue_id].visibility = "hide";
	} else if(document.all) {
		document.all["menue"+menue_id].style.visibility = "hidden";
		document.all["bg_menue"+menue_id].style.visibility = "hidden";
	} else if(document.getElementById) {
		document.getElementById("menue"+menue_id).style.visibility = "hidden";
		document.getElementById("bg_menue"+menue_id).style.visibility = "hidden";
	}
	return true;
}

function hide_all_menues() {
	for (i = 1; i <= 10; i++) {
		hide_menue(i);
	}
	return true;
}

function hide_menue_timer_on() {
	if(go!=1) return;
	timer1 = window.setInterval('hide_all_menues()',timer);
	return true;
}

function hide_menue_timer_stop() {
	if(timer_started == true) {
	    window.clearInterval(timer1);
	} else {
	    timer_started=true;
	}
	return true;
}