// JavaScript Document

/*global */

// simple function to show or hide the sub trees
function setmenu(stem) {

	if (document.getElementById("submenu" + stem).style.display == "none" || document.getElementById("submenu" + stem).style.display === "") {
		document.getElementById("submenu" + stem).style.display = "block";
	} else {
		document.getElementById("submenu" + stem).style.display = "none";
	}

}