rem: _content.document.toggleImageSize(); 
add: content.document.toggleImageSize(); 
context:     toggleImageSize : function () {        _content.document.toggleImageSize();    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0e99862b00e1e58e7870c3938e0daac28c5585c1/nsContextMenu.js/clean/suite/common/nsContextMenu.js