IE8 Browser Crash

Loading this HTML will crash your IE8 tab.

HTML

<!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=UTF-8"/>
    <meta http-equiv="Content-Script-Type" content="text/javascript" />
    <title>Testcase IE crash</title>

    <style type="text/css">
.hidden {
    display: none;
}
    </style>
    
    <script language="javascript" type="text/javascript" src="http://code.jquery.com/jquery-1.5.1.min.js"></script>
    <script language="javascript" type="text/javascript">
$(document).ready(function(){
        var tab = document.getElementById("formfield_1443");    
        var row = $(tab).parents("td.hidden").parent();
        row.addClass("hidden");
    }
)
</script>
  </head>
  <body>
      If you load this page in IE8, your tab wil crash. Other browsers don't seem to have this problem.
    <table>
      <tr> 
        <td class="hidden"> 
            <select id="formfield_1443"> 
              <option value=""></option> 
            </select> 
        </td> 
        <input type="hidden" /> 
      </tr> 
      <tr> 
        <td class="hidden"> 
          &nbsp;
        </td> 
        <input type="hidden" /> 
      </tr>
    </table> 
  </body>
</html>