tab.js in flashgrid-2.2.0

- old
+ new

@@ -44,11 +44,11 @@
 
   Tab.prototype.activate = function (element, container, callback) {
     var $active    = container.find('> .active')
     var transition = callback
       && $.support.transition
-      && $active.hasClass('fade')
+      && (($active.length && $active.hasClass('fade')) || !!container.find('> .fade').length)
 
     function next() {
       $active
         .removeClass('active')
         .find('> .dropdown-menu > .active')
@@ -68,10 +68,10 @@
       }
 
       callback && callback()
     }
 
-    transition ?
+    $active.length && transition ?
       $active
         .one('bsTransitionEnd', next)
         .emulateTransitionEnd(150) :
       next()
 
\ No newline at end of file