return callFunction.call(this._sandBox, this._findProxyForURL, testURI, testHost); 
var rval = this._sandBox.FindProxyForURL(testURI, testHost); return rval; 
    getProxyForURI: function(testURI, testHost) {        if (!this._findProxyForURL)            return null;        // Call the original function        return callFunction.call(this._sandBox, this._findProxyForURL,                                 testURI, testHost);    }
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/f9741f2e196aeba1326aa97413e72a9def580a01/nsProxyAutoConfig.js/clean/netwerk/base/src/nsProxyAutoConfig.js