add:    if(outliner.parentNode.id == "searchResultListBox") return;  outliner.addEventListener("mousedown",OutlinerOnMouseDown,true); 
context: function ThreadPaneOnLoad(){  var outliner = GetThreadOutliner();  outliner.addEventListener("click",ThreadPaneOnClick,true);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/218064aa3badb87fbbe82d1ad9ea3eb84a4c3f3d/threadPane.js/buggy/mailnews/base/resources/content/threadPane.js