Multiples problème sous IE

   <div id="conteneur_menu-texte">
       
         <dl id="menu">

           <img class="menu_image" alt="Sports collectifd" src="Site_menu1.gif" />

	        <dt onmouseover="javascript:montre('smenu1');" onmouseout="javascript:montre();"><a href="#">Football</a></dt>
			<dd style="display: block;" id="smenu1" onmouseover="javascript:montre('smenu1');" onmouseout="javascript:montre();">
				<ul>
                                        <li><a href="#">Actu</a></li>
					<li><a href="#">France</a></li>
					<li><a href="#">Etranger</a></li>
					<li><a href="#">Ligue des champions</a></li>
				        <li><a href="#">Coupe de l'UEFA</a></li>
                                        <li><a href="#">Equipe nationale</a></li>
                                </ul>
			</dd>		
		<dt onmouseover="javascript:montre('smenu2');" onmouseout="javascript:montre();"><a href="#">Rugby</a></dt>
			<dd style="display: none;" id="smenu2" onmouseover="javascript:montre('smenu2');" onmouseout="javascript:montre();">
				<ul>
					<li><a href="#">Actu</a></li>
					<li><a href="#">France</a></li>
					<li><a href="#">Etranger</a></li>
					<li><a href="#">H Cup</a></li>
				        <li><a href="#">Grand chelem</a></li>
                                        <li><a href="#">Tri-nation</a></li>
				</ul>
			</dd>
	
            <img class="menu_image" alt="Sport individuel" src="Site_menu4.gif" />
		<dt onmouseover="javascript:montre('smenu3');" onmouseout="javascript:montre();"><a href="#">Tennis</a></dt>
			<dd style="display: block;" id="smenu3" onmouseover="javascript:montre('smenu3');" onmouseout="javascript:montre();">
				<ul>
                                        <li><a href="#">Actu</a></li>
					<li><a href="#">Hommes</a></li>
					<li><a href="#">Femmes</a></li>
                                </ul>
			</dd>

            <img class="menu_image" alt="Sports sur roues" src="Site_menu6.gif" />

		<dt onmouseover="javascript:montre('smenu4');" onmouseout="javascript:montre();"><a href="#">Cyclisme</a></dt>
			<dd style="display: block;" id="smenu4" onmouseover="javascript:montre('smenu4');" onmouseout="javascript:montre();">
				<ul>
                                        <li><a href="#">Actu</a></li>
					<li><a href="#">UCI Protour</a></li>
					<li><a href="#">Grands Tours</a></li>
                                </ul>
			</dd>
		<dt onmouseover="javascript:montre('smenu5');" onmouseout="javascript:montre();"><a href="#">Automobile</a></dt>
			<dd style="display: block;" id="smenu5" onmouseover="javascript:montre('smenu5');" onmouseout="javascript:montre();">
				<ul>
                                        <li><a href="#">Actu</a></li>
					<li><a href="#">Formule 1</a></li>
					<li><a href="#">Rally</a></li>
                                </ul>
			</dd>
		<dt onmouseover="javascript:montre('smenu6');" onmouseout="javascript:montre();"><a href="#">Moto</a></dt>
			<dd style="display: block;" id="smenu6" onmouseover="javascript:montre('smenu6');" onmouseout="javascript:montre();">
				<ul>
                                        <li><a href="#">Actu</a></li>
					<li><a href="#">125cc</a></li>
					<li><a href="#">250cc</a></li>
					<li><a href="#">Moto GP</a></li>
                                </ul>
			</dd>
        
            <img class="menu_image" alt="Sport virtuel" src="Site_menu10.gif" />

		<dt onmouseover="javascript:montre('smenu7');" onmouseout="javascript:montre();"><a href="#">Jeux video</a></dt>
			<dd style="display: block;" id="smenu7" onmouseover="javascript:montre('smenu7');" onmouseout="javascript:montre();">
				<ul>
                                        <li><a href="#">Actu</a></li>
					<li><a href="#">Tests</a></li>
					<li><a href="#">Astuces</a></li>
					<li><a href="#">Download</a></li>
                                </ul>
			</dd>	
          </dl>

         <div id="texte">
<br /><br /><br />Voici<br />l'espace<br />pour<br />le<br />texte<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
         </div>

    </div>

<STYLE TYPE="text/css">
<!--
A:link {text-decoration:none}
A:visited {text-decoration:none}
--> </STYLE>

<style type="text/css">
<!--
body {
padding:0;
margin:0;
font-family: comic sans ms;
font-size: 90%;
color: white;
text-align: center;
}
dl, dt, dd, ul, li {
margin: 0;
padding: 0;
list-style-type: none;
}

#global {
margin-left: auto;
margin-right: auto;
width: 800px;
text-align: left;
}

#conteneur_menu-texte {
width: 795px;
padding: 0px 0px 5px 5px;
background: #0099FF;
}

#menu {
float: left;
position: relative;
width: 115px;
border: 2px solid #FFFFFF;
}

#menu dt {
cursor: pointer;
background: #0099FF;
width: 115px
height: 20px;
line-height: 20px;
margin: 0px 0;
border: 0px solid gray;
text-align: center;
font-weight: bold;
}

#menu dd {
position: absolute;
z-index: 100;
left: 115px;
margin-top: -24px;
width: 130px;
background: #0099FF;
filter:alpha(opacity=50);  
-moz-opacity:0.50;
opacity: 0.50;
border: 0px solid gray;
}

#menu ul {
padding: 2px;
}

#menu li {
text-align: center;
font-size: 85%;
height: 18px;
line-height: 18px;
}

#menu li a, #menu dt a {
color: #FFF;
text-decoration: none;
display: block;
}

#menu li a:hover {
text-decoration: none;
}

#mentions {
font-family: comic sans ms;
position: absolute;
bottom : 200px;
left : 10px;
color: #FFF;
background-color: #ddd;
}

#mentions a {text-decoration: none;
color: #222;
}

#mentions a:hover{text-decoration: underline;
}

#menu_image{
float: left;
display: block;
}

#texte {
width: 673px;
margin-left: 117px;
background: #FFFFFF;
text-align: center;
}

#bouton_image {
border: 0px;
Hspace: 3px;
}

-->
</style>