* Adjust repo diff event.

module/repo/js/diff.ui.js

@@ -239,7 +239,7 @@ $(".label-exchange").on('click', function()
     {
         $('#oldRevision').val(target);
         $('#newRevision').val(source);
-        $('#diffForm').trigger('click');
+        window.goDiff();
     }
 });
 
@@ -287,7 +287,7 @@ $('body').off('click', '.dropmenu-tree .dropmenu-item').on('click', '.dropmenu-t
  * @access public
  * @return viod
  */
-function goDiff()
+window.goDiff = function()
 {
     var oldRevision   = $('#oldRevision').val();
     var newRevision   = $('#newRevision').val();

module/repo/ui/diff.html.php

@@ -99,11 +99,10 @@ if($repo->SCM != 'Subversion')
     );
     $breadcrumbItems[] = btn
     (
-        set::id('diffForm'),
         set::type('primary'),
         set::size('md'),
         $lang->repo->compare,
-        on::click('goDiff')
+        on::click()->call('window.goDiff')
     );
 }
 else
@@ -131,11 +130,10 @@ else
     );
     $breadcrumbItems[] = btn
     (
-        set::id('diffForm'),
         set::type('primary'),
         set::size('md'),
         $lang->repo->compare,
-        on::click('goDiff')
+        on::click()->call('window.goDiff')
     );
 }
 div(