I am having trouble getting <div id="homehead">&nbsp;</div> , to line up left, in IE MAC Explorer. It lines up left in PC IE, Safari and Netscape, but drops to the bottom in IE MAC Explorer...any ideas??

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>

<style type="text/css" media="screen">
<!--

body
{
background-color:#003300
}

#content
{
font-size: 11px;
font-family: Verdana, Geneva, Arial, sans-serif;
line-height: 14px;
background-color:#003300
text-align: left;
visibility: visible;
margin-top: 40px;
margin-right: auto;
margin-left: auto;
position: relative;
width: 760px
}

#leather
{
position: relative;
padding: 0px;
margin-top: 10px;
width: 191px;
float: left;
background-image: url(images/home_leftnav.jpg);
height: 558px;
}

#top1
{
background-color: #FFFFFF;
position: relative;
padding: 0px;
margin-top: 10px;
width: 189px;
float: left;
margin-left: 0px;
margin-bottom: 0px;
background-image: url(images/home_top1.jpg);
height: 108px;
}

#top2
{
background-color: #FFFFFF;
position: relative;
padding: 0px;
margin-top: 10px;
width: 190px;
float: left;
margin-left: 0px;
margin-bottom: 0px;
background-image: url(images/home_top2.jpg);
height: 108px;
}

#top3
{
background-color: #FFFFFF;
position: relative;
padding: 0px;
margin-top: 10px;
width: 190px;
float: left;
margin-left: 0px;
margin-bottom: 0px;
background-image: url(images/home_top3.jpg);
height: 108px;
}

#homehead
{
background-color: #FFFFFF;
position: relative;
padding: 0px;
margin-top: 0px;
width: 569px;
float: left;
margin-left: 0px;
margin-bottom: 0px;
background-image: url(images/home_headline.jpg);
height: 141px;
vertical-align: top;
}

-->
</style>
</head>

<body>
<div align="center">
<div id="content">

<div id="leather"><div id="navleft">
<a href="*.htm" class="nav_1">HOME</a><br/>
<a href="*.htm" class="nav_1">LOCATION</a><br/>
<a href="*.htm" class="nav_1">COMMUNITY</a><br/>
<a href="*.htm" class="nav_1">PROPERTIES</a><br/>
<a href="*.htm" class="nav_1">HOMES</a><br/>
<a href="*.htm" class="nav_1">INFRASTRUCTURE</a><br/>
<a href="*.htm" class="nav_1">CONTACT US</a>
</div></div>

<div id="top1">&nbsp;</div>
<div id="top2">&nbsp;</div>
<div id="top3">&nbsp;</div>

<div id="homehead">&nbsp;</div>


</div></div>
</body>
</html>