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

function jsddm_close()
{
   $("div#about_submenu").slideUp("fast");
   $("div#work_submenu").slideUp("fast");
}

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

function jsddm_canceltimer()
{
   if(closetimer)
   {  window.clearTimeout(closetimer);
      closetimer = null;
   }
}

$(document).ready(function () {
      // About submenu events
      $("li.about_submenu").mouseover(function () {
            jsddm_canceltimer();
            jsddm_close();
            $("div#about_submenu").slideDown("fast");
      });
      
      $("li.about_submenu").mouseout(function () {
            jsddm_timer();
      });
      
      $("div#about_submenu").mouseover(function () {
            jsddm_canceltimer();
      });
      
      // Work submenu events
      $("li.work_submenu").mouseover(function () {
            jsddm_canceltimer();
            jsddm_close();
            $("div#work_submenu").slideDown("fast");
      });
      
      $("li.work_submenu").mouseout(function () {
            jsddm_timer();
      });
      
      $("div#work_submenu").mouseover(function () {
            jsddm_canceltimer();
      });
      
      // General events
      $(document).click(jsddm_close);
});