var currentElm = null;
subOver = function(_elm)
{
    window.clearTimeout(delayTimer);
    if(currentElm != null)
        currentElm.className = 'subNav';
    
    currentElm = _elm.parentNode.nextSibling.childNodes[0];
    if(currentElm.innerHTML != "")
        currentElm.className = 'subNavShow';
}

var delayTimer;
subOut = function(_delayDone)
{
    if(_delayDone != true)
    {
        delayTimer = window.setTimeout("subOut(true)",1000);
        return;   
    }

    currentElm.className = 'subNav';
}