.treeview ul { 
margin: 0;
padding: 0;
}

.treeview li { 
background: url(list.gif) no-repeat left center;
list-style-type: none;
padding-left: 22px;
margin-bottom: 3px;
}

.treeview li.submenu { 
background: url(closed.gif) no-repeat left 1px;
}

.treeview li.submenu ul {
display: none; 
}

.treeview .submenu ul li { 
cursor: default;
}