rem: appCore.back(); 
add: getWebNavigation().goBack(); 
context: function BrowserBack(){  appCore.back();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/d3d39e51005430aa8e9f660695bd20ec7efb7aa3/mini-nav.js/buggy/embedding/browser/chrome/content/mini-nav.js