// JavaScript Document
function showTree(oThis)
{
oBranch = getElement(oThis.getAttribute("drop"))
if (oBranch.style.display == "none" || oBranch.style.display == "")
	{
		oBranch.style.display = "inline"
		oThis.src = "images/tree_minus.gif"
	} else {
		oBranch.style.display = "none"
		oThis.src = "images/tree_plus.gif"
	}
}