rem: var securityUI = getBrowser().securityUI; 
add: var securityUI = gBrowser.securityUI; 
context:   onSecurityChange : function(aWebProgress, aRequest, aState)  {    const wpl = Components.interfaces.nsIWebProgressListener;    switch (aState) {      case wpl.STATE_IS_SECURE | wpl.STATE_SECURE_HIGH:        this.securityButton.setAttribute("level", "high");        break;      case wpl.STATE_IS_SECURE | wpl.STATE_SECURE_LOW:        this.securityButton.setAttribute("level", "low");        break;      case wpl.STATE_IS_BROKEN:        this.securityButton.setAttribute("level", "broken");        break;      case wpl.STATE_IS_INSECURE:      default:        this.securityButton.removeAttribute("level");        break;    }    var securityUI = getBrowser().securityUI;    if (securityUI)      this.securityButton.setAttribute("tooltiptext", securityUI.tooltipText);    else      this.securityButton.removeAttribute("tooltiptext");  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/b703a680af1d3650d75e6299dc72687209924f3d/browser.js/buggy/browser/base/content/browser.js