// show dropdown menu
var delay = 300;

function showMenu(myId)
{
    p = document.getElementById(myId);
    sub = document.getElementById(myId + "_sub");

    sub.style.top = (p.offsetTop + 45) + "px";

    if (p.className != 'm_act')
    {
      p.style.border = "none";
      p.style.height = "45px";
      p.style.backgroundImage = "url(images/menu_hover.gif)";
      p.style.backgroundPosition = "0 bottom";
      p.style.backgroundRepeat = "repeat-x";
    }

    if (typeof(hideSubDelay) != 'undefined') clearTimeout(hideSubDelay);
    if (typeof(hideDelay) != 'undefined') clearTimeout(hideDelay);
}

function delayHideMenu(myId)
{
    hideDelay = setTimeout(function(){hideSub(myId + "_sub")},delay);
}

function showSub()
{
clearTimeout(hideDelay);
if (typeof(hideSubDelay) !== 'undefined') clearTimeout(hideSubDelay);
}

function delayHideSub(myId)
{
    hideSubDelay = setTimeout(function(){hideSub(myId)},delay);
}

function hideSub(myId)
{
    sub = document.getElementById(myId);
    sub.style.top = "-1000px";
    if (p.className != 'm_act')
    {
      p.style.borderBottom = "4px solid #8831FF";
      p.style.height = "41px";
      p.style.backgroundImage = "none";
    }
}