; (function ($) {

$.extend({
    birtLoading: function (action) {
        var loadingHtml = '<div class="birt-loading">' +
            '<div class="icon">' +
            '<img src="http://img.tanliani.com/public/assets/vd/icon_loading.png">' +
            '</div>' +
            '<p class="label">' +
            'Birt报表' +
            '</p>' +

            ' <div class="points">' +
            '  <i class="one"></i>' +
            '   <i class="two"></i>' +
            '   <i class="three"></i>' +
            '   </div>' +
            '</div>';
        $('.birt-loading').remove();
        $('body').append(loadingHtml);
        if (action == undefined || action == 'show') {
            $(".birt-loading").show();
        } else {
            $(".birt-loading").hide();
        }
    }
});

})(jQuery);