rem:  var customDirPref = document.getElementById("browser.download.dir"); return customDirPref.value; 
add: var currentDirPref = document.getElementById("browser.download.dir"); return currentDirPref.value; 
context:   _indexToFolder: function (aIndex)  {    switch (aIndex) {      case 0:        return this._getDownloadsFolder("Desktop");      case 1:        return this._getDownloadsFolder("Downloads");    }    var customDirPref = document.getElementById("browser.download.dir");    return customDirPref.value;  },
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/d9cca94575b9bb2ae6e8a6224ae4414cf03042b6/main.js/buggy/browser/components/preferences/main.js