Typical IE...menu works fine in Firefox but the dropdowns are non existent in IE.

HTML Code:
<ul>
        	<li><a href="Botox.php">Botox</a></li>
			<li><a href="cryoderm.php">CryoDerm Medical Peel</a></li>
			<li><a href="Facials.php">Facials</a></li>
			<li><a href="GiftCards.php">Gift Cards</a></li>
			<li><a href="Laser.php">Laser</a></li>
            <li><a href="Massages.php">Massage Therapy</a></li>
			<li><a href="Microdermabrasion.php">Microdermabrasion</a></li>
			<li><a href="MineralMakeup.php">Mineral Makeup</a></li>
			<li><a href="PaymentOptions.php">Payment Options</a></li>
			<li><a href="RelatedServices.php">Related Services</a></li>
			<li><a href="Restylane.php">Restylane, Perlane & Juvederm</a></li>
			<li><a href="SkinRejuvenation.php">Skin Rejuvenation</a>
            	<ul>
                	<li><a href="Isolaz.php">Isolaz</a></li>
                    <li><a href="SmoothBeam.php">Smooth Beam Skin Rejuvination</a></li>
                    <li><a href="Ultherapy.php">Ultherapy</a></li>
                    <li><a href="VelashapeNeckLift.php"></a></li>
                </ul>
            </li>
			<li><a href="Waxing.php">Waxing</a></li>
		</ul>
        </li>
    <li><a href="RelatedServices.php"><img src="images/WEB-TEMPLATE-flat-2_04.gif" border="0" width="132"></a>
    	<ul>
        	<li><a href="http://www.capcny.com/" target="_blank">CAP Medical</a></li>
			<li><a href="CNYFunctionalandWellnessMedicine.php">CNY Functional & Wellness Medicine</a></li>
			<li><a href="CNYMedicalAcupuncture.php">CNY Medical Acupuncture</a></li>
			<li><a href="Dermatology.php">Dermatology</a></li>
        </ul>
        </li>
   <li><a href="Products.php"><img src="images/WEB-TEMPLATE-flat-2_05.gif" border="0" width="91" height="29"></a>
   		<ul>
    		<li><a href="Environ.php">Environ</a></li>
			<li><a href="JaneIredale.php">Jane Iredale Make-up</a></li>
			<li><a href="Latisse.php">Latisse Lash Enhancer</a></li>
            <li><a href="Skinceuticals.php">Skinceuticals</a></li>
           <li><a href="skinmedica.php">Skin Medica</a></li>
		</ul>
  	</li>
    <li><a href="AboutUs.php"><img src="images/WEB-TEMPLATE-flat-2_06.gif" border="0" width="81" height="29"></a>
    	<ul>
        	<li><a href="Staff.php">Staff</a></li>
            <li><a href="History.php">History</a></li>
            <li><a href="Testimonials.php">Testimonials</a></li>
        </ul>
    </li>
    <li><a href="Events.php"><img src="images/WEB-TEMPLATE-flat-2_07.gif" border="0" width="54" height="29"></a></li>
    <li><a href="VirtualTour.php"><img src="images/WEB-TEMPLATE-flat-2_08.gif" border="0" width="110" height="29"></a></li>
    <li><a href="Contact.php"><img src="images/WEB-TEMPLATE-flat-2_09.gif" border="0" width="75" height="29"></a></li>
    <li><a href="RequestAppointment.php"><img src="images/WEB-TEMPLATE-flat-2_10.gif" border="0" width="190" height="29"></a></li>
</ul>
Code:

#menu{
    padding: 0px;
	background:#7b8b6f;
	margin-bottom: -3px;   
}

/* only mainmenu listitems */
#menu > li{
    display: inline-block;
    position: relative;
	padding: 0px;
    font: bold 14px univers, verdana, arial;
}

/* links in mainmenu and both submenus */
#menu a{
    display: block;
	text-indent: 0px;
	background:#7b8b6f;
	color: #FFFFFF;
	text-decoration: none;
}

/* submenus of both levels */
#menu li ul{
	position: absolute;
	width: 150px;
	margin: -7px 0px 0px -5px;
	padding: 8px;
	text-align: left;
	font: bold 12px univers, verdana, arial;
	list-style-type: none;
	
	z-index: 10000;
}

#menu li ul a{
	padding-left: 5px;
	background-color: #f7e2e2;
	color: #653c2b;
}

/* move the second level submenu to the right to don't overlap the parent submenu */
#menu ul ul{
	top: 185px;
	left:155px;               
}

/* hover effect for submenu links */
#menu li li a:hover{
   background-color: #7b8b6f;
   color: #FFFFFF;
}

/* hide all submenus for default */
#menu li ul{
    left:-9999px;
}

/* show a submenu if the direct parent listitem is hovered */
#menu li:hover > ul{
    display:block;
	
}

img {
display: block; 
border: 0;