div#menu ul ul,
div#menu ul li:hover ul ul,
div#menu ul li:hover ul ul ul
{ display: none;}

div#menu ul li:hover ul,
div#menu ul ul li:hover ul,
div#menu ul ul ul li:hover ul
{display: block;}

#menu a.main_menu {
display: block;
}


#menu li { position: relative; }

#menu ul ul {
position: absolute;
top: 0;
left: 100%;
width: 100%;
}