if (isSystemURL(uri.spec) && !Firebug.allowSystemPages) 
var url  =  uri.spec ? uri.spec : uri; if (isSystemURL(url) && !Firebug.allowSystemPages) 
    isURIDenied: function(uri)    {        if (!uri)  // null or undefined is denied            return true;        if (isSystemURL(uri.spec) && !Firebug.allowSystemPages)            return true;        return uri &&            (pm.testPermission(uri, "firebug") == DENY_ACTION                || (uri.scheme == "file" && this.disabledFile));    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/fd3fa7073b03b34b49adc8add0f84b5b4e33907f/firebug.js/clean/extension/content/firebug/firebug.js