rem: gAbResultsTree = document.getElementById('abResultsTree'); 
add: gAbResultsTree = document.getElementById("abResultsTree"); 
context: function InitCommonJS(){  dirTree = document.getElementById("dirTree");  abList = document.getElementById("addressbookList");  gAbResultsTree = document.getElementById('abResultsTree');}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/6e7bd4b1753733e52e3e3766e68ddb2a8ec42963/abCommon.js/buggy/mailnews/addrbook/resources/content/abCommon.js