var mods = new Array();
var modPos = 0;

var timerId = 0;
var isOn = true;

var on_s = 7;
var fade_s = 0.5;
var blank_s = 0.1;

function init() {
	mods.push('<img src="/images/banner1.gif" width="607" height="238" />');
	mods.push('<img src="/images/banner2.gif" width="557" height="325" />');
	mods.push('<img src="/images/banner3.gif" width="531" height="239" />');
	mods.push('<img src="/images/banner4.gif" width="524" height="237" />');

	modPos = Math.floor(Math.random()*(mods.length))
	$("saying").innerHTML = mods[modPos];

	timerId = window.setTimeout('switchMod()', on_s * 1000);
}

function switchMod() {
	if(isOn) {
		Effect.Fade("saying", {duration:fade_s});
		delay = fade_s + blank_s;
	}
	else {
		modPos++;
		if(modPos >= mods.length) modPos = 0;
		
		$("saying").innerHTML = mods[modPos];

		Effect.Appear("saying", {duration:fade_s});
		delay = fade_s + on_s;
	}

	isOn = !isOn;

	timerId = window.setTimeout('switchMod()', delay * 1000);
}