function galleryLoading(el) {
    $(el).innerHTML = '<div id="loading"></div>';
}
function showLoading(el) {
    el.innerHTML = '<div id="loading"></div>';
}
function loadImageGallery(categoryId, position) {
    //debugger;
    var container = 'ajax_gallery';
    showLoading(container);
    var url = '/_framework/modules/gallery/displaygallery_ajax.asp?categoryid=' + categoryId + '&position=' + position;
    new Ajax.Updater(container, url, {
        method: 'post',
        parameters: { 'categoryid': categoryId, 'position': position },
        onLoading: function() {
            showLoading(container)
        }
    })

}