var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"]
                     .getService(Components.interfaces.nsIWindowMediator);
	var recentWindow = wm.getMostRecentWindow("navigator:browser");

	var domWin = recentWindow.content.document.defaultView.top;

	var location = domWin.document.baseURIObject.asciiSpec;

	if(location.substr(0, 15) == "about:certerror"){
	  //recentWindow.alert("Rule broken. From: " + document.getElementById("urlbar").value + " To: " + domWin.location);

		var alist = HTTPSRules.potentiallyApplicableRulesets(document.getElementById("urlbar").value);

		https_everywhere = CC["@eff.org/https-everywhere;1"].getService(Components.interfaces.nsISupports).wrappedJSObject;
		o_httpsprefs = https_everywhere.get_prefs();

		for (var i = 0 ; i < alist.length ; i++){
			//recentWindow.alert(alist[i].name + "   " + alist[i].id);
			//this.active_rule(alist[i]);
			if(o_httpsprefs.getBoolPref(alist[i].name))
				this.active_rule(alist[i]);
			else
				this.inactive_rule(alist[i]);
		}
	}