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/b602a3478becdf953c411a53f90f410c3aea1738/nsContextMenu.js/buggy/suite/common/nsContextMenu.js