DesiredCapabilities capabilities = new DesiredCapabilities();
FirefoxProfile profile = new FirefoxProfile();
profile.addExtension(new File("firebug-1.12.8.xpi"));
profile.addExtension(new File("netExport-0.9b2.xpi"));
profile.setPreference("extensions.firebug.defaultPanelName", "net");
profile.setPreference("extensions.firebug.net.enableSites", true);
profile.setPreference("extensions.firebug.allPagesActivation", "on");
profile.setPreference("extensions.firebug.netexport.defaultLogDir", "d:\\NetExport\\");
profile.setPreference("extensions.firebug.netexport.saveFiles", true);
profile.setPreference("extensions.firebug.netexport.alwaysEnableAutoExport", true);
profile.setPreference("extensions.firebug.netexport.showPreview", false);
profile.setPreference("extensions.netexport.pageLoadedTimeout", "15000");
capabilities.setCapability(FirefoxDriver.PROFILE, profile);
WebDriver driver = new FirefoxDriver(capabilities);
driver.manage().timeouts().implicitlyWait(20, TimeUnit.SECONDS);
Thread.sleep(5000);
Thread.sleep(15000);
driver.findElement(By.id("j_username::content")).sendKeys("sysman");
driver.findElement(By.id("j_password::content")).sendKeys("sysman");
driver.findElement(By.id("login")).click();
Thread.sleep(5000);
driver.findElement(By.xpath("//tr[@id='ccc']/td[2]")).click();
Thread.sleep(5000);
driver.findElement(By.id("zaapq")).click();