rem: this.target.reveal(); 
add: this.targetFile.reveal(); 
context:     onReveal: function() {         try {             this.target.reveal();             this.dialog.close();         } catch ( exception ) {         }    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/b86829b878a9fe8971faa3454ae417acac9586d1/nsProgressDialog.js/buggy/embedding/components/ui/progressDlg/nsProgressDialog.js