function getTags(x) {
    $('#tag-index').replaceWith('<p class="tag-index" id="tag-index" style="height:70px;"><img src="/images/spinner1.gif" id="spinner" /></p>');
    url = '/search/taglist';
    jQuery.post(url, {letter: x},
    function(data) {

        $('#tag-index').replaceWith(data);
    })
}