ul
{
  padding: 0;
  margin: 0;
  list-style: none;
}

li
{
  float: left;
  position: relative;
}

li ul
{
  display: none;
  position: absolute; 
  left: 0;
  _top: 30px;
  background: #6c993e;
  font: 10px Verdana;
  color: #fff;
  padding: 0px;
  width: 170px;
  _width: auto;
  z-index:100;
}

li > ul 
{
	top: auto;
	left: auto;
}
li ul li {clear:both;width: 170px;}

li ul li a {padding: 4px 6px 4px 6px;color: #fff;text-decoration:none;display:block}
li ul li a:hover {background: #607f3c;}

li:hover ul, li.over ul{ display: block; }