var timeout = 100;
var closetimer = 0;
var ddmenuitem = 0;

function jsddm_open()
{
    jsddm_canceltimer();
    jsddm_close();
    $(this).find('ul').prepend('<li class="submenuTop"></li>');
    $(this).find('ul').append('<li class="submenuBot"></li>');
    ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');
}

function jsddm_close()
{
    if(ddmenuitem) {
        ddmenuitem.css('visibility', 'hidden');
        ddmenuitem.find('li.submenuTop').remove();
        ddmenuitem.find('li.submenuBot').remove();
    }
}

function jsddm_timer()
{
    closetimer = window.setTimeout(jsddm_close, timeout);
}

function jsddm_canceltimer()
{
    if(closetimer)

    {
        window.clearTimeout(closetimer);
        closetimer = null;
    }
}

$(document).ready(function()
{
    $('#jsddm > li').bind('mouseover', jsddm_open);
    $('#jsddm > li').bind('mouseout', jsddm_timer);
});

document.onclick = jsddm_close;