[SOLVED] Ie floats

[dropfaith]

http://www.dropfaithproductions.com/rates.php i got the layout right in everything but ie

im wondering how to get around the way ie displays the float

http://browsershots.org/http://www.dropfaithproductions.com/rates.php

 

div.maincontent {
        width:490px;
        min-height:400px;
        border-right:2px solid #000;
}
div.sidenav {
width: 150px;
height:auto;
float:left;
padding: 0 0 0 0;
margin-bottom: 1em;
font-family: 'Trebuchet MS', 'Lucida Grande',Verdana, Lucida, Geneva, Helvetica, Arial, sans-serif;
}