IE zeigt Content erst unter Sidebar an

body{
    background: #1c0c01 url(images/bg_png.png) repeat;
    color:#c1a045;
    font-size: 12px;
    text-decoration: none;
    font-family: Helvetica, sans-serif;
    margin: 0;
}


.wrapper { 
   margin: 0 auto;
    width: 900px;
}


.content {
    float: left;
    width: 450px;
    padding: 0 50px 0 0;
}


.seite {
    float: left;
    width: 650px;
    margin: 0;
}


.entry {
    line-height: 1.5;
}


.spalte {
    width: 175px;
    }


.head {
     background: url(images/bck.png) no-repeat;
     width: 900px; 
     margin: 0;
     height: 170px;
}


.sidebar{ 
    float: right;
    padding: 0 0 0 50px;
    width: 175px;
}


.footer { 
   width: 900px;
   clear: both;
   margin: 10px 0px 10px 0px;
   padding: 50px 0px 0px 0px;
}
...


.clearer {
   clear: both;
}


.left {
   float: left;
}


.right {
   float: right;
 }

<?php get_header(); ?>
<?php get_sidebar(); ?>




<div class="wrapper">
<div class="content">


  <?php if (have_posts()) : while (have_posts()) : the_post(); ?>


<span class="left"><h1><a id="post-<?php the_ID(); ?>" href="<?php the_permalink() ?>" rel="bookmark" title="<?php the_title(); ?>"><?php the_title(); ?></a></h1></span>


...


 <?php else : ?><h3>Nicht gefunden</h3>


<?php include (TEMPLATEPATH . "/searchform.php"); ?>


   <?php endif; ?>


</div> 
<?php include (TEMPLATEPATH . "/spalte.php"); ?>
</div>


<?php get_footer(); ?>

<!--sidebar.php-->
<div class="wrapper">
<div class="sidebar">
            <?php if (function_exists('get_recent_comments')) { ?>
   <h1><?php _e('Neu kommentiert:'); ?></h1>
   <ul><?php get_recent_comments(); ?></ul>
   
<?php } ?>   


<br>
<?php include (TEMPLATEPATH . '/searchform.php'); ?>
<br><span class="sma"><span class="rssdown"><img src="http://www.blogpartei.de//wp-content/themes/Blank/images/rss_icon.png" alt="rss"></span> <a href="http://www.blogpartei.de/feed/">Beitrags-Feed</a>
<br>
<span class="rssdown"><img src="http://www.blogpartei.de//wp-content/themes/Blank/images/rss_icon.png" alt="rss"></span> <a href="http://www.blogpartei.de/comments/feed/">Kommentar-Feed</a>
</span>


</div></div>

<!--spalte.php-->
<div id="spalte">
  <?php { query_posts('cat=3&showposts=3'); } ?>
<br>
  <?php while (have_posts()) : the_post(); ?>
<a href="<?php the_permalink() ?>" rel="bookmark" title="<?php the_title(); ?>"></a>
<p><?php the_excerpt(); ?></p>


<?php endwhile; ?>


  </div>
<!--Ende Spalte-->

?php get_header(); ?>
<div class="wrapper">
  <?php get_sidebar(); ?>
<div class="content">


  <?php if (have_posts()) : while (have_posts()) : the_post(); ?>




............


<?php else : ?>
<h3>Nicht gefunden</h3>
<?php include (TEMPLATEPATH . "/searchform.php"); ?>


<?php endif; ?>


</div> 
<!---NUR EIN DIV-->






   <?php get_footer(); ?>

<!--sidebar.php-->


<div class="sidebar">






<?php if ( function_exists('dynamic_sidebar') && dynamic_sidebar('Right Sidebar') ) : else : ?>


....


<?php endif; ?> 
        
</div>


<!--KEIN WRAPPER ÖFFNEN-->

<div class="footer">


...


</div>




</div> 
<!---DIESES DIV SCHLIESST DEN WRAPPER DANN--->
</body>