rem: if (gAbView) return gAbView.URI; else return null; 
add: return gAbView && gAbView.URI; 
context: function GetAbViewURI(){  if (gAbView)    return gAbView.URI;  else     return null;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/1e2295398612cd0d1af46e0178521738cb16c424/abCommon.js/buggy/mailnews/addrbook/resources/content/abCommon.js