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commit c890d8183dd6cba96efb1f15b760e39861711f16
parent ad8a8704d48e5326dcaf3e25397777b16df92467
Author: zorkow <volker.sorge@gmail.com>
Date:   Tue,  1 Sep 2015 01:29:55 +0100

Removes occurrence of elementsbyclassname.

Diffstat:
M
unpacked/extensions/MathMenu.js
 | 
16
+++++++++++-----

1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/unpacked/extensions/MathMenu.js b/unpacked/extensions/MathMenu.js
@@ -732,15 +732,21 @@
       this.MoveHorizontal(event, item, MENU.Left, this.isRTL());
     },
     MoveHorizontal: function(event, item, move, rtl) {
-      if (ITEM.GetMenuNode(item).menuItem === MENU.menu) {
+      var menuNode = ITEM.GetMenuNode(item);
+      if (menuNode.menuItem === MENU.menu) {
         move(event, item);
       }
       if (rtl) { return; }
       this.Deactivate(item);
-      var sibling = item.parentNode.previousSibling;
-      var actives = sibling.getElementsByClassName('MathJax_MenuActive');
-      if (actives.length > 0) {
-        MENU.Focus(actives[0]);
+      var parentNodes = menuNode.previousSibling.childNodes;
+      var length = parentNodes.length;
+      while (length--) {
+        var parent = parentNodes[length];
+        if (parent.menuItem.submenu &&
+            parent.menuItem.submenu === menuNode.menuItem) {
+          MENU.Focus(parent);
+          break;
+        }
       }
       this.RemoveSubmenus(item);
     },