Scrolling a page using executescript EventFiringWebDriver WebDriver

package com.seleniumproject;


import org.openqa.selenium.WebDriver;

import org.openqa.selenium.firefox.FirefoxDriver;

import org.openqa.selenium.support.events.EventFiringWebDriver;
public class Scroll {
	public static void main(String[] args) {

		// TODO Auto-generated method stub

		WebDriver driver = new FirefoxDriver();

		EventFiringWebDriver efD = new EventFiringWebDriver(driver);

		efD.get("http://localhost:8081/web/alerts.html");

		efD.executeScript("scroll(0,2000)");
	}

}