IE6 geeft DIV niet weer

<div id="content">
<div id="loginbg">

<!--FORMULIER OM IN TE LOGGEN-->
            
            <form id="login" action="" method="post">
            
            <?php 
                    include("db_connect.php");
                    $SQL="SELECT * FROM settings WHERE setting = 'myesquis_inlogtext'";
                    $query=mysql_query($SQL);
                    while($text=mysql_fetch_array($query)){
                    echo nl2br($text['variable']); };
            ?>
            
                <table width="200" border="0">
                  <tr>
                    <td><div align="right">Gebruikersnaam</div></td>
                    <td><input type="text" name="username" id="textfield2" /></td>
                  </tr>
                  <tr>
                    <td><div align="right">Wachtwoord</div></td>
                    <td><input type="password" name="password" id="textfield3" /></td>
                  </tr>
                </table>
                <p><input type="submit" name="submit" id="login2" value="Log in" />
                </p>
            </form>
</div>
</div>

body {
	background-color: #535353;
	font-family:Verdana, Arial, Helvetica, sans-serif;
	font-size:12px;
	color:#FFFFFF;
	overflow:hidden;
}

#content {
	position:absolute;
	top:0px;
	left:50%;
	width:500px;
	z-index:3;
	margin-left: -250px;
	bottom:53px;
	border:none;
	overflow-y:auto;
	overflow-x:hidden;
	padding-top:40px;
}

#login	{
	
}

#loginbg	{
	position:absolute;
	width:auto;
	height:auto;
	left:50%;
	margin-left:-175px;
	top:50%;
	margin-top:-65px;
	border:thin solid #333333;
	background-color:#cc3366;
	text-align:center;
	padding:30px;	
}