var timeout    = 500; var closetimer = 0; var ddmenuitem = 0; function jsddm_open() {  jsddm_canceltimer(); jsddm_close(); ddmenuitem = $(this).find('ul').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;