// Tree view plus and minus flip
function changepic(ID) {
	uMe = window.event.srcElement;
	var child = document.getElementById(ID);
	if (null != child)
		{
		if (child.style.display == "block")
			{
				child.style.display = "none";
			}
		else
			{
				child.style.display = "block";
			}
		}
	}
