rem: this.savePage( this.imageURL() ); 
add: this.savePage( this.imageURL ); 
context:     saveImage : function () {        this.savePage( this.imageURL() );    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/6f2e1269c3f4bf17b66a25ac07cb31921a51e6b8/nsContextMenu.js/buggy/xpfe/browser/resources/content/nsContextMenu.js