<!--
var delay = 500;
var closetimeout = 0;
var dynamicnav = 0;

function navopen(id)
{
    noclose();
    if(dynamicnav) {
        dynamicnav.style.visibility = 'hidden';
    }
    dynamicnav = document.getElementById(id);
    dynamicnav.style.visibility = 'visible';
}

function navclose()
{
    if(dynamicnav) {
        dynamicnav.style.visibility = 'hidden';
    }
}

function delayclose()
{
    closetimeout = window.setTimeout(navclose, delay);
}

function noclose()
{
    if(closetimeout) {
        window.clearTimeout(closetimeout);
        closetimeout = null;
    }
}

document.onclick = navclose;
// -->