rem: saveURL( this.imageURL, null, "SaveImageTitle", false ); 
add:   saveImageURL( this.imageURL, null, "SaveImageTitle", false, null, getReferrer(document) ); 
context:     saveImage : function () {        saveURL( this.imageURL, null, "SaveImageTitle", false );    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/741dc3a8f5028ae540640e75f46f560d3935c876/nsContextMenu.js/buggy/xpfe/communicator/resources/content/nsContextMenu.js