function ShowHide(div,image)
{
        var thisLevel = document.getElementById(div);
        var thisImage = document.getElementById(image);

        if (thisLevel.style.display == "none")
        {
			thisLevel.style.display = "block";
			thisImage.src = "./images2/min.gif";
        }
        else
        {
			var thisLevel = document.getElementById(div);
			thisLevel.style.display = "none";
			thisImage.src = "./images2/plus.gif";
        }
}