rem: getWebNavigation().goBack(); 
add: getBrowser().goBack(); 
context: function BrowserBack(){  try {    getWebNavigation().goBack();  }  catch(ex) {  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/d31027be24485f66d5db1fdd8e4bbc21155f5631/navigator.js/clean/suite/browser/navigator.js