rem: window.loadURI(this.target.ownerDocument.location.href, null, null, false); 
add: try { const secMan = Components.classes["@mozilla.org/scriptsecuritymanager;1"] .getService(Components.interfaces.nsIScriptSecurityManager); const nsIScriptSecMan = Components.interfaces.nsIScriptSecurityManager; secMan.checkLoadURI(gBrowser.currentURI, makeURI(this.target.ownerDocument.location.href), nsIScriptSecMan.DISALLOW_SCRIPT); window.loadURI(this.target.ownerDocument.location.href, null, null, false); } catch(e) {} 
context:     showOnlyThisFrame : function () {        window.loadURI(this.target.ownerDocument.location.href, null, null, false);    },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/343007b3e383e3c43b444a1c09a21dd9ec54aa63/browser.js/clean/browser/base/content/browser.js