// Copyright 2006-2007 javascript-array.com

var $j = jQuery.noConflict();

var timeout = 0;
var closetimer = 0;
var ddmenuitem = 0;
var fadespeed = 250;

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

    // close old layer
    $j(ddmenuitem).fadeOut(fadespeed);

    // get new layer and show it
    ddmenuitem = document.getElementById(id);
    ddmenuitem.style.visibility = 'visible';
    $j(ddmenuitem).fadeOut(0);
    $j(ddmenuitem).fadeIn(fadespeed);

}
// close showed layer
function mclose() {
    $j(ddmenuitem).fadeOut(fadespeed);
}

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

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

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