Fixes #1291 Fixes issue with nested dropdown menus appearing.

src/definitions/modules/dropdown.js

@@ -532,13 +532,15 @@ $.fn.dropdown = function(parameters) {
           item: {
             mouseenter: function(event) {
               var
-                $currentMenu = $(this).find(selector.menu),
+                $currentMenu = $(this).children(selector.menu),
                 $otherMenus  = $(this).siblings(selector.item).children(selector.menu)
               ;
               if( $currentMenu.size() > 0 ) {
                 clearTimeout(module.itemTimer);
                 module.itemTimer = setTimeout(function() {
-                  module.animate.hide(false, $otherMenus);
+                  $.each($otherMenus, function() {
+                    module.animate.hide(false, $(this));
+                  });
                   module.verbose('Showing sub-menu', $currentMenu);
                   module.animate.show(false,  $currentMenu);
                 }, settings.delay.show);
@@ -548,7 +550,7 @@ $.fn.dropdown = function(parameters) {
 
             mouseleave: function(event) {
               var
-                $currentMenu = $(this).find(selector.menu)
+                $currentMenu = $(this).children(selector.menu)
               ;
               if($currentMenu.size() > 0) {
                 clearTimeout(module.itemTimer);
@@ -1047,7 +1049,7 @@ $.fn.dropdown = function(parameters) {
             ;
             callback = callback || function(){};
             module.verbose('Doing menu show animation', $currentMenu);
-            if( module.is.animating() || module.is.hidden($currentMenu) ) {
+            if( module.is.hidden($currentMenu) || module.is.animating($currentMenu) ) {
               if(settings.transition == 'none') {
                 $.proxy(callback, element)();
               }
@@ -1118,6 +1120,9 @@ $.fn.dropdown = function(parameters) {
                 }
             ;
             callback = callback || function(){};
+            if($currentMenu.size() === 0) {
+              debugger;
+            }
             if( module.is.visible($currentMenu) || module.is.animating($currentMenu) ) {
               module.verbose('Doing menu hide animation', $currentMenu);