--- itaTreeView.js.orig	2005-12-01 05:24:58.000000000 +0900
+++ itaTreeView.js	2007-11-16 19:34:13.901250000 +0900
@@ -164,11 +164,12 @@
     var popup = document.getElementById("itaTreePopup");
     var url = this.getSelectedLiteral(kMoz2chItaTreeURLRes);
 
     var popupBuilder = {
         add: function( element, label, handler ) {
-              var element = document.createElementNS(XUL_NS, element);
+              var element = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
+                                                  element);
               element.setAttribute("label", label);
               element.setAttribute("oncommand", handler);
               popup.appendChild(element);
               return element;
         },
@@ -189,12 +190,12 @@
       popupBuilder.add("menuitem", moz2ch.getString("itaTreeOpenWithNewTab"));
       popupBuilder.add("menuitem", moz2ch.getString("itaTreeOpen"));
       popupBuilder.add("menuseparator");
       popupBuilder.add("menuitem", moz2ch.getString("itaTreeAddBookmark"));
       popupBuilder.add("menuseparator");
-      popupBuilder.add("menuitem", moz2ch.getString("itaTreeCopyURL"), "moz2chClipboard.setText(moz2chItaTreeView.getSelectedLiteral(kMoz2chItaTreeURLRes));");
-      popupBuilder.add("menuitem", moz2ch.getString("itaTreeCopyTitle"), "moz2chClipboard.setText(moz2chItaTreeView.getSelectedLiteral(kMoz2chItaTreeTitleRes));");
+      popupBuilder.add("menuitem", moz2ch.getString("itaTreeCopyURL"), "moz2chClipboard.setText(moz2ch.itaTreeView.getSelectedLiteral(kMoz2chItaTreeURLRes));");
+      popupBuilder.add("menuitem", moz2ch.getString("itaTreeCopyTitle"), "moz2chClipboard.setText(moz2ch.itaTreeView.getSelectedLiteral(kMoz2chItaTreeTitleRes));");
       popupBuilder.add("menuseparator");
       popupBuilder.add("menuitem", moz2ch.getString("itaTreeRemoveIta"));
     }
 };