rem: _content.document.toggleImageSize(); 
add: content.document.toggleImageSize(); 
context:     toggleImageSize : function () {        _content.document.toggleImageSize();    },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/766d404cfe3d0b6d61d9fede0b76e1d13ab33d52/nsContextMenu.js/buggy/xpfe/communicator/resources/content/nsContextMenu.js