var visible;
var hidden;
var timeout;
var men;

function reveal(menu) {
	if (document.layers) {
		visible = 'show';
		daMenu = document.layers[menu];
	} else if (document.all) {
		visible = 'visible';
		daMenu = document.all(menu).style;
	} else {
		visible = 'visible';
		daMenu = document.getElementById(menu).style;
	}
	daMenu.visibility = visible;
	clearTimeout(timeout);
}

function timer(input){
	men = input
	timeout = setTimeout('hide(men);', 1000);
}

function hide(menu) {
	if (document.layers) {
		hidden = 'hide';
		daMenu = document.layers[menu];
	} else if (document.all) {
		hidden = 'hidden';
		daMenu = document.all(menu).style;
	} else {
		hidden = 'hidden';
		daMenu = document.getElementById(menu).style
	}
	daMenu.visibility = hidden;
}

var the0 = -100;
var the1 = -100;
function changeBg(place,opt){
	if (document.all){
		the1 = document.all(place).style.top;
		document.all('activebg').style.top = eval('the' + opt);
	} else if (document.layers){
		the1 =  document.layers[place].top;
		document.layers['activebg'].top = eval('the' + opt);
	} else {
		the1 = document.getElementById(place).style.top;
		document.getElementById('activebg').style.top = eval('the' + opt);
	}
}