function Menu()
{
	this.items = new Array();
	this.preloadFinished = false;

	this.addItem = function(imgObject, urlImgOff, urlImgOn)
	{
		this.items[this.items.length] = new MenuItem(imgObject, urlImgOff, urlImgOn);
	}
}

function MenuItem(imgObject, urlImgOff, urlImgOn)
{
	this.imgObject = imgObject;
	this.imgOff = new Image();
	this.imgOff.src = urlImgOff;
	this.imgOn = new Image();
	this.imgOn.src = urlImgOn;

	this.imageOn = function()
	{
		this.imgObject.src = this.imgOn.src;
	}
	this.imageOff = function()
	{
		this.imgObject.src = this.imgOff.src;
	}
}