add: this.dialogElement( "openUsing" ).checked = false; 
context:     initAppAndSaveToDiskValues: function() {        // Pre-select the choice the user made last time.        this.chosenApp = this.mLauncher.MIMEInfo.preferredApplicationHandler;        var applicationDescription = this.mLauncher.MIMEInfo.applicationDescription;        if (applicationDescription != "")        {          this.updateApplicationName(applicationDescription);           this.givenDefaultApp = true;        }        else if (this.chosenApp)        {          // If a user-chosen application, show its path.          this.updateApplicationName(this.chosenApp.unicodePath);          this.chooseApp = true;        }        else         this.updateApplicationName(this.getString("noApplicationSpecified"));        if ( applicationDescription  && this.mLauncher.MIMEInfo.preferredAction != this.nsIMIMEInfo.saveToDisk )           this.dialogElement( "openUsing" ).checked = true;                 else         {          // Save to disk.          this.dialogElement( "saveToDisk" ).checked = true;          // Disable choose app button.          this.dialogElement( "chooseApp" ).setAttribute( "disabled", "true" );        }    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/96e52c48f72338176b4a6df3a46f06e42d407bc0/nsHelperAppDlg.js/buggy/embedding/components/ui/helperAppDlg/nsHelperAppDlg.js