rem: var outliner = GetThreadOutliner(); 
add: var tree = GetThreadTree(); 
context: function ThreadPaneOnLoad(){  var outliner = GetThreadOutliner();  outliner.addEventListener("click",ThreadPaneOnClick,true);  // The mousedown event listener below should only be added in the thread  // pane of the mailnews 3pane window, not in the advanced search window.  if(outliner.parentNode.id == "searchResultListBox")    return;  outliner.addEventListener("mousedown",OutlinerOnMouseDown,true);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/07d96867f11683becf5e1a6ca5e64e6a9324c957/threadPane.js/buggy/mailnews/base/resources/content/threadPane.js