/*
 * left navigation bar utilities
 * display / hide the submenu choices
 */
	var leaveopen = false;
	function toggle(what) {
		if (document.getElementById) {
			s = document.getElementById(what).style;
		} else if (document.all) {
			s = document.all[what].style;
		} else {
			s = document.layers[what].style;
		}
		s.display = s.display=="block" ? "none" : "block";
		//s.visibility = s.visibility=="hidden" ? "visible" : "hidden";
	}
	function toggleopen(what) {
		leaveopen = true;
		if (document.getElementById) {
			s = document.getElementById(what).style;
		} else if (document.all) {
			s = document.all[what].style;
		} else {
			s = document.layers[what].style;
		}
		s.display = "block";
		//s.visibility = "visible";
	}
	function toggleclose(what) {
		if (leaveopen) return;
		if (document.getElementById) {
			s = document.getElementById(what).style;
		} else if (document.all) {
			s = document.all[what].style;
		} else {
			s = document.layers[what].style;
		}
		s.display = "none";
		//s.visibility = ="hidden";
	}
	function toggletimeout(what) {
		leaveopen = false;
		setTimeout("toggleclose('" + what + "')", 500);
	}