rem: opener.viewer.mDOMOutliner.onClientDrop = ColumnsDialogDragDropOut; 
add: opener.viewer.mDOMTree.onClientDrop = ColumnsDialogDragDropOut; 
context:   initialize: function()  {    // bug 56270 - dragSession.sourceDocument is null --    // causes me to code this very temporary, very nasty hack    // to make sure I get notified when a column is dropped    opener.viewer.mDOMOutliner.onClientDrop = ColumnsDialogDragDropOut;        this.buildContents();        // notify the dom viewer that we've opened    this.mViewer.onColumnsDialogReady(this);  },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d38a0937d9c93a0a9d913e2ac781e4328bb8cc73/columnsDialog.js/buggy/extensions/inspector/resources/content/viewers/dom/columnsDialog.js