var timeout = 100;
var closetimer = 0;
var ddmenuitem = 0;

// open hidden layer
function mopen(id) {
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if (ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose() {
	if (ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime() {
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime() {
	if (closetimer) {
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

function setselected(id, id2){
	var listitem = document.getElementById(id);
	listitem.className = "sel";
	var divitem = document.getElementById(id2);
	divitem.className = "dvsel";
}

function setunselected(id, id2) {
	var listitem = document.getElementById(id);
	listitem.className = "";
	var divitem = document.getElementById(id2);
	divitem.className = "";
}

// close layer when click-out
document.onclick = mclose;
// -->