rem: gBrowser.loadOneTab("about:blank", null, null, null, false); 
add: gBrowser.loadOneTab("about:blank", null, null, null, false, false); 
context: function BrowserOpenTab(){  gBrowser.loadOneTab("about:blank", null, null, null, false);  if (gURLBar)    setTimeout(function() { gURLBar.focus(); }, 0);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/8af5b23e55cc23838f92652d268eeab0a3feeb41/browser.js/clean/browser/base/content/browser.js