Merge branch 'develop' of http://git.dev.yoho.cn/web/yohobuy into develop

 var $ = require('jquery'),
     Hammer = require('yoho.hammer'),
     Swiper = require('yoho.iswiper'),
-    lazyLoad = require('yoho.lazyload');
+    lazyLoad = require('yoho.lazyload')
+
+loading = require('../../plugin/loading');;
 
 var page = 1,
     winH,
@@ -13,6 +15,7 @@ var page = 1,
     id = '';
 
 function hotrank(page, sort, tabId, notab) {
+    loading.showLoadingMask();
     $.ajax({
         type: 'GET',
         url: '/product/newsale/selectHotrank?' + sort,
@@ -28,17 +31,20 @@ function hotrank(page, sort, tabId, notab) {
             }
             $('#hotRank').append(data);
             lazyLoad($('img.lazy'));
-            $('#yoho-footer').css('position', 'static');
             $('.rank-main ul li:gt(2)').find('.item-content i').removeClass('top');
             winH = $(window).height();
             if ($('.rank-main').length !== 0) {
+                $('#yoho-footer').css('position', 'static');
                 listTop = $('.rank-main').find('ul').offset().top;
+            } else {
+                $('#yoho-footer').css('position', 'fixed');
             }
             navSwiper = new Swiper('.s-goods-nav', {
                 grabCursor: true,
                 slidesPerView: 'auto',
                 slideElement: 'li'
             });
+            loading.hideLoadingMask();
         }
     });
 }
@@ -70,4 +76,4 @@ hotnav.on('tap', function (e) {
         notab = 1;
         hotrank(page, sort, id, notab);
     }
-})
+});