$(document).ready( function() {
var timeout    = 500;
var closetimer = 0;
var ddmenuitem = 0;

function MenuDeroulant_open(){
	MenuDeroulant_canceltimer();
	MenuDeroulant_close();
	ddmenuitem = $(this).find('ul').css('visibility', 'visible');
	$('li').css('color', '#FFF')
	}

function MenuDeroulant_close(){
	if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');
	}
function MenuDeroulant_timer(){
	closetimer = window.setTimeout(MenuDeroulant_close, timeout);
	}
function MenuDeroulant_canceltimer()
	{  if(closetimer)
   {  window.clearTimeout(closetimer);
      closetimer = null;}}

$(document).ready(function(){
	$('#MenuDeroulant > li').bind('mouseover', MenuDeroulant_open)
	$('#MenuDeroulant > li').bind('mouseout',  MenuDeroulant_timer)});
	document.onclick = MenuDeroulant_close;
});