add: return true; 
context:   onImportSourcePageAdvanced: function() {    var newSource = document.getElementById("importSourceGroup").value;    if (newSource == "nothing" || newSource == "fromFile") {      if (newSource == "fromFile") {        window.opener.fromFile = true;      }      document.documentElement.cancel();      return;    }    if (!this._migrator || newSource != this._source) {      // Create the migrator for the selected source.      var contractID = NS_PROFILE_MIGRATOR_CONTRACTID + newSource;      this._migrator = Components.classes[contractID]                                 .createInstance(nsISuiteProfileMigrator);      this._selectedProfile = null;    }    this._source = newSource;    // check for more than one source profile    if (this._migrator.sourceHasMultipleProfiles)      this._wiz.currentPage.next = "selectProfile";    else {      if (this._autoMigrate)        this._wiz.currentPage.next = "homePageImport";      else if (this._singleItem)        this._wiz.currentPage.next = "migrating";      else        this._wiz.currentPage.next = "importItems";      var sourceProfiles = this._migrator.sourceProfiles;      if (sourceProfiles && sourceProfiles.Count() == 1) {        this._selectedProfile = sourceProfiles            .QueryElementAt(0, nsISupportsString).data;      }      else        this._selectedProfile = "";    }  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/47a34e2c0b31308537247d1a1bb06f2359aac87d/migration.js/clean/suite/profile/migration/migration.js