rem: this._sandBox = Components.utils.evalInSandbox(pacUtils, pacURI); 
add: this._sandBox = new Components.utils.Sandbox(pacURI); Components.utils.evalInSandbox(pacUtils, this._sandBox); 
context:     init: function(pacURI, pacText) {        // remove PAC configuration if requested        if (pacURI == "" || pacText == "") {            this._findProxyForURL = null;            this._sandBox = null;            return;        }        // allocate a fresh Sandbox to clear global scope for new PAC script        this._sandBox = Components.utils.evalInSandbox(pacUtils, pacURI);        // add predefined functions to pac        this._sandBox.myIpAddress = myIpAddress;        this._sandBox.dnsResolve = dnsResolve;        this._sandBox.alert = proxyAlert;        // evaluate loaded js file        Components.utils.evalInSandbox(pacText, pacURI, this._sandBox);        this._findProxyForURL = this._sandBox.FindProxyForURL;    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/f236359665d6fa20580eed7e625c2a287ef11839/nsProxyAutoConfig.js/buggy/netwerk/base/src/nsProxyAutoConfig.js