CSS Drop Down in IE

<tr>
<td>
 
<div id="wrapper">
<div id="navMenu">
 
 
  <ul>
 
     <li><a href="home.html">Home</a>
       <ul>
 
       </ul> <!-- end inner UL -->
 
 
  </li> 
     <!-- end main LI -->
 
  </ul> <!-- end main UL -->
 
    <ul>
 
     <li><a href="aboutus.html">About</a>
 
       <ul>
 
       </ul> <!-- end inner UL -->
 
 
  </li> 
     <!-- end main LI -->
 
    </ul> <!-- end main UL -->
 
    <ul>
 
     <li><a href="aboutvictoria.html">Victoria</a>
 
  <ul>
 
    <li><a href="victoriastilwellarticle.html">Articles</a></li>
 
    <li><a href="philosophy.html">Philosophy</a></li>
 
    <li><a href="vspdt.html">VSPDT</a></li>
</ul> <!-- end inner UL -->
 
 
  </li> 
     <!-- end main LI -->
 
    </ul> <!-- end main UL -->
 
      <ul>
 
     <li><a href="photos.html">Photos</a>
 
  <ul>
  </ul> <!-- end inner UL -->
 
 
  </li> 
     <!-- end main LI -->
 
      </ul> <!-- end main UL -->
 
      <ul>
 
     <li><a href="links.html">Links</a>
 
  <ul>
  </ul> <!-- end inner UL -->
 
 
  </li> 
     <!-- end main LI -->
 
      </ul> <!-- end main UL -->
 
      <ul>
 
     <li><a href="trainingprograms.html">Training</a>
 
  <ul>
 
  <li><a href="trainingmethods.html">Methods</a></li>
 
    <li><a href="whyreinforcement.html">Positive(+R)</a></li>
 
    <li><a href="class.html">C.L.A.S.S</a></li>
 
  </ul> <!-- end inner UL -->
 
 
  </li> 
     <!-- end main LI -->
 
      </ul> <!-- end main UL -->
 
      <ul>
 
     <li><a href="http://dynamitedogtraining.blogspot.com/">Blog</a>
 
  <ul>
  </ul> <!-- end inner UL -->
 
 
  </li> 
     <!-- end main LI -->
 
      </ul> <!-- end main UL -->
 
      <ul>
 
     <li><a href="contact.html">Contact</a>
 
  <ul>
  </ul> <!-- end inner UL -->
 
 
  </li> 
     <!-- end main LI -->
 
      </ul> <!-- end main UL -->
 
 
 
    <br class="clearFloat" />
 
 
 </div> <!-- end navMenu -->
 </div> 
<!--end wrapper -->
 
 </td>
 </tr>

#navMenu {
    margin:0;
    width:auto;
    background-image: url(images/Home_top_06.jpg);
    padding:0;
}
 
  #navMenu ul {
    margin:0;
    padding:0;
    line-height:30px;
    background-color: #333;
 
 }
 
  #navMenu li {
    margin:0;
    padding:0;
    list-style:none;
    float:left;
    position:relative;    
}
 
  #navMenu ul li a {
    text-align:center;
    height:36px;
    width:70px;
    display:block;
    font-family:"Comic Sans MS", cursive;
    text-decoration:none;
    color:#FFF;
    text-shadow:0;
    font-size: 15px;
    font-variant: normal;
}
 
  #navMenu ul ul {
    visibility:hidden;
    top:32px;
    width: 120px;
    font-style: italic;
    position: absolute;
    margin-left: -20px;
    text-indent: 9px;
    text-align: center;
 }
 
  #navMenu ul li:hover ul {
    visibility:visible;
    z-index:9999;
 
 }
 
  /**********************************************/
 
  /*sets top level hover color*/
 
  #navMenu li:hover {
    font-weight: bold;
    font-style: italic;
 }
 
  /*sets link items hover color and background*/
 
  #navMenu ul li:hover ul li a:hover {
    color:#000;
    background-color: #E71923;
    width: 120px;
 }
 
  /* Changes text color on hover for main menu hover*/
 
  #navMenu a:hover {
    color:#FFF;
 } 
 
 /* Contains the Float */
 
 .clearFloat {
    clear:both; 
    margin:0;
    padding:0;
 }
 
#navMenu #holder ul li{
    display:inline;
    float:left;
    clear:left;
}