// JavaScript Document
var timeout=100;
var closetimer=0;
var ddmenuitem=0;
function mopen(id) {	
	mcancelclosetime();
	if(ddmenuitem) {
		ddmenuitem.style.visibility = 'hidden';
	}
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';
}
function mclose() {
	if(ddmenuitem) {
		ddmenuitem.style.visibility = 'hidden';
	}
}
function mclosetime() {
	closetimer = window.setTimeout(mclose, timeout);
}
function mcancelclosetime() {
	if(closetimer) {
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}
document.onclick = mclose;