rem: try { getWebNavigation().goForward(); 
add: var where = whereToOpenLink(aEvent, false, aIgnoreAlt);  if (where == "current") { try { getWebNavigation().goForward(); } catch(ex) { } 
context: function BrowserForward(){  try {    getWebNavigation().goForward();  }  catch(ex) {  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/865bfc75b23ed219acdbb216fba1abcd6d531fc1/browser.js/clean/browser/base/content/browser.js