title: Error with Jquery on line 3539 with IE
body: <p>I've an error with JQuery on the first line of : </p>
  
  <pre><code>    $('select#operation option:selected').each(function() {
          parent_value = $(this).val();
      });
  </code></pre>
  
  <p>I got an other error with /jquery-1.5.1.js on line 3539 :</p>
  
  <pre><code>        if ( (match = Expr.leftMatch[ type ].exec( expr )) != null &amp;&amp; match[2] ) {
  </code></pre>
  
  <p>Everything i working on FF, Chrome and Safari but i got errors on IE.</p>
  
  <p>The errors are : "Object doesn’t support this property or method"</p>