div#s1 {
  width: 161px;          /* menu width */
}

div#s1 ul {
  background-color: #00AEEF;
  list-style-type: none; /* get rid of the bullets */
  padding:0;             /* no padding */
  margin:0;              /* no margin for IE either */
}

div#s1 ul li {
  margin: 0;
  padding: 0;
  background-color: #00AEEF;
  display:block;
  /* border-top: 1px solid white;  lines */
}

div#s1 ul li a {
  display: block;         /* lines extend to right, make area clickable */
  color: black;
  background-color: #00AEEF;
  padding: 3px 3px 3px 19px;
  margin:0;
  text-decoration: none;
  height:15px;           /* hint for IE, alternatively remove whitespace from HTML */
}

div#s1 ul ul li a {
  margin-left: 20px;     /* indent level 1 */
}

div#s1 ul ul ul li a {
  margin-left: 40px;     /* indent level 2 */
}

div#s1 li ul, div#s1 li.open li.closed ul {
  display: none;         /* collapse */
}

div#s1 li.open ul {
  display: block;        /* expand */
}
 
div#s1 ul li.open a {
  background-image: url(../images/bullet_open.gif);
  background-repeat: no-repeat;
}

div#s1 ul li.closed a {
  background-image: url(../images/bullet_closed.gif);
  background-repeat: no-repeat;
}

div#s1 ul li.leaf a {
  background-image: url(../images/bullet_leaf.gif);
  background-repeat: no-repeat;
}
 
div#s1 li.active a {
  background-position: 0px -20px;
  color: white;            /* highlight text */
}
 
div#s1 li.active li a {
  background-position: 0px 0px;
  color: black;          /* fix lower levels */
}

div#s1 ul li a:hover {
  color: white;
  background-color: #999; /* rollover effect */
}