fix navbar dropdown being called multiple times

app/assets/javascripts/application/navigation-content.js

@@ -6,41 +6,39 @@ var nav_content = function () {
       nav_dropdown = '.nav-dropdown';
       nav_close = '.navigation-content-close';
 
-  $(document).ready(function () {
-    var closeContent = function() {
-      toggled = null;
-      $(nav_content).slideUp();
-    }
-
-    $(nav_content).hide();
-    $(nav_close).click(function() { closeContent(); });
-
-    $(nav_dropdown).each(function() {
-      var content = $(this).data('content');
-      nav_list.push(content);
-      $(nav_prefix + content).hide();
-    });
+  var closeContent = function() {
+    toggled = null;
+    $(nav_content).slideUp();
+  }
+
+  $(nav_content).hide();
+  $(nav_close).click(function() { closeContent(); });
+
+  $(nav_dropdown).each(function() {
+    var content = $(this).data('content');
+    nav_list.push(content);
+    $(nav_prefix + content).hide();
+  });
 
-    $(nav_dropdown).click(function(){
-      var element = this,
-          content = $(element).data('content');
+  $(nav_dropdown).click(function(){
+    var element = this,
+        content = $(element).data('content');
 
-      if (toggled == content) closeContent();
-      else {
-        toggled = content;
+    if (toggled == content) closeContent();
+    else {
+      toggled = content;
 
-        $(nav_content).slideUp(null, function() {
-          var length = nav_list.length;
-          for (var i = 0; i < length; ++i) {
-            var content = nav_list[i];
-            ($(element).data('content') == content) ? $(nav_prefix + content).show() : $(nav_prefix + content).hide();
-          }
-        });
+      $(nav_content).slideUp(null, function() {
+        var length = nav_list.length;
+        for (var i = 0; i < length; ++i) {
+          var content = nav_list[i];
+          ($(element).data('content') == content) ? $(nav_prefix + content).show() : $(nav_prefix + content).hide();
+        }
+      });
 
 
-        $(nav_content).slideDown();
-      }
-    });
+      $(nav_content).slideDown();
+    }
   });
 }