// JavaScript Document
/*
var step = 0.5;	//stepwidth in Px
var delay = 40;	// delay time in ms
var imgLength = 3000;
var leftToRight = true;
var preLoadCounter = 0;
var preLoadCounterMin = 1;


window.onload = function () {
	window.setTimeout('var interval = window.setInterval("moveSky()", delay);', 1000);
}

function moveSky() {
	if (preLoadCounter >= preLoadCounterMin) {
		if (leftToRight) {
			skyPos = skyPos + step;
		} else {
			skyPos = skyPos - step;
		}
		if (Math.abs(skyPos) > imgLength) {
			skyPos = 0;
		}
		document.getElementById("heaven").style.backgroundPosition = skyPos + "px 0px"
		document.getElementById("heaven").style.backgroundPosition = skyPos + "px 0px"
	}
}

function incCounter() {
	preLoadCounter++;
}
*/
var pixelPerSecond = 5;
var skyWidth = 3000
var delay = skyWidth / pixelPerSecond * 1000;
var sky = null;

var name = navigator.appName;
var vers = navigator.appVersion.substring(0,1);

if (!(name == "Microsoft Internet Explorer" && vers == "4")) {


	window.onload = function () {
	sky = new Fx.Tween('sky', {
			property: 'background-position',
			duration: delay,
			link: 'chain',
			chainComplete: function () {moveSky()},
			transition: Fx.Transitions.Sine.easeInOut
		});
		sky.start(0, skyWidth).start(0, skyWidth).start(0, skyWidth).start(0, skyWidth).start(0, skyWidth).start(0, skyWidth).start(0, skyWidth).start(0, skyWidth);
	}
}
function moveSky() {
	sky.start(0, skyWidth);
}