function swap(ids)
{
	var img = new Array();

	for(var i = 0; i < ids.length; i++)
	{
		var obj = document.getElementById(ids[i]);

		obj.onmouseover = function()
		{
			this.src = "menus/" + this.id + "a.png"
		}

		obj.onmouseout = function()
		{
			this.src = "menus/" + this.id + ".png";
		}

		img[i] = new Image();
		img[i].src = "menus/" + obj.id + "a.png"
	}
}