jquery not working in IE6
<p>I have developed a dropdown category and sub category menu in jquery. The script is working n Firefox, chrome but not in IE6. could you please guide me to fix this problem</p>

<pre><code>&lt;script type="text/javascript"&gt;
$(document).ready(function() {
    $('#loader').hide();
    $('#show_heading').hide();
    $('#search_category_id').change(function() {
        $('#show_sub_categories').fadeOut();
        $('#loader').show();
        $.post("get_chid_categories.php",
               {
                   parent_id: $('#search_category_id').val(),
               },
               function(response) {
                    setTimeout("finishAjax('show_sub_categories', '"+escape(response)+"')", 400);
               }
        );
        return false;
    });
});

function finishAjax(id, response){
    $('#loader').hide();
    $('#show_heading').show();
    $('#'+id).html(unescape(response));
    $('#'+id).fadeIn();
} 

function alert_id() {
    if($('#sub_category_id').val() == '')
        alert('Please select a sub category.');
    else
        alert($('#sub_category_id').val());
    return false;
}
&lt;/script&gt;
</code></pre>
