.treeview li.submenu{ /* Style for LI that contains sub lists (other ULs). */
background:  url(images/bg/closed.gif) no-repeat left 1px;
cursor: hand !important;
cursor: pointer !important;
}


.treeview li.submenu ul{ /*Style for ULs that are children of LIs (submenu) */
display: none; /*Hide them by default. Don't delete. */
}

.treeview .submenu ul li{ /*Style for LIs of ULs that are children of LIs (submenu) */
cursor: default;
}