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');
 $('li#chisiamo').addClass('li_hover');
}
function jsddm_open_2() {
 jsddm_canceltimer();
 jsddm_close();
 ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');
 $('li#mondomed').addClass('li_hover');
}
function jsddm_close() {
 if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');
 $('#jsddm > li').removeClass('li_hover');
}
function jsddm_timer() {
 closetimer = window.setTimeout(jsddm_close, timeout);
}
function jsddm_canceltimer() {
 if(closetimer) {
  window.clearTimeout(closetimer);
  closetimer = null;
 }
}
$(document).ready(function() {
 $('li#mondomed').bind('mouseover', jsddm_open_2);
 $('li#mondomed').bind('mouseout',  jsddm_timer);
});
$(document).ready(function() {
 $('li#chisiamo').bind('mouseover', jsddm_open);
 $('li#chisiamo').bind('mouseout',  jsddm_timer);
});
document.onclick = jsddm_close;