rem: dirTree = document.getElementById('dirTree'); resultsTree = document.getElementById('resultsTree'); 
add: dirTree = document.getElementById("dirTree"); resultsTree = document.getElementById("resultsTree"); 
context: function InitCommonJS(){	dirTree = document.getElementById('dirTree');	resultsTree = document.getElementById('resultsTree');}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0bae2ed72e9748283256fed72e6330994a6cb0fd/abCommon.js/buggy/mailnews/addrbook/resources/content/abCommon.js