* the context path url
*/
public AjaxSeleniumImpl(String serverHost, int serverPort, Browser browser, URL contextPathURL) {
CommandProcessor commandProcessor =
new HttpCommandProcessor(serverHost, serverPort, browser.getAsString(), contextPathURL.toString());
interceptionProxy = new InterceptionProxyImpl(commandProcessor);
selenium = new ExtendedSelenium(interceptionProxy.getCommandProcessorProxy());
pageExtensions = new PageExtensionsImpl();
seleniumExtensions = new SeleniumExtensionsImpl();
requestInterceptor = new RequestInterceptorImpl();
}