var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

function jsddm_open(){jsddm_canceltimer();jsddm_close();ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');}

function jsddm_close(){if(ddmenuitem)ddmenuitem.css('visibility', 'hidden');}

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;