[jQuery] slowness in IE 6/7 compare to FF/Safari/Opera

[jQuery] slowness in IE 6/7 compare to FF/Safari/Opera


here is the code is question:
for(var x = 0; x < array_length; x++)
    {
        var search_text = order_new[x];
        for(var i = 0; i < array_length; i++)
        {
            if(search_text === order_old[i])
            {
                var table_id = order_old[i].split('.')[1];
                var new_tab_html = '<li id="tab_' + table_id + '1"> javascript:void(0);
Prices </li>';
                new_tab_html += '<li id="tab_' + table_id + '2"> javascript:void(0);
Reviews </li>';
                new_tab_html += '<li id="tab_' + table_id + '3"> javascript:void(0);
Photos </li>';
                var element = $('#hotel_tab_' + table_id + ' ul');
                element.removeClass('tabs_nav');
                element.empty();
                element.html(new_tab_html);
                new_dom[x] = $('#hotel_selection' + table_id).clone(true);
                new_dom_ids[x] = table_id;
                break;
            }
        }
    }
The first loop loops through 13 element and the inner for loops throught 13
until it find the correct one. In FF/Safari/Opera it takes about 1-2
seconds to run through(which seems ok) but in IE 6/7 it take 20-25 seconds
to run which is way longer, anyone see why it would take so much longer on
IE that FF?
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