private boolean isElementPresent(By by) {
   try {
     driver.findElement(by);
     return true;
   } catch (NoSuchElementException e) {
     return false;
   }
 }
 private WebElement findElement(final By locator) {
   (new WebDriverWait(driver, 30, 1000))
       .until(ExpectedConditions.presenceOfElementLocated(locator));
   (new WebDriverWait(driver, 30, 1000))
       .until(ExpectedConditions.visibilityOfElementLocated(locator));
   WebElement element = driver.findElement(locator);
   if (element.isEnabled() == false)
     ((JavascriptExecutor) driver).executeScript("arguments[0].disabled = false", element);
   return element;
 }
  public void optionalClick(final By locator) {
    WebElement we = null;
    try {
      we = driver.findElement(locator);
      we.click();
    } catch (StaleElementReferenceException ser) {

    } catch (NoSuchElementException nse) {

    } catch (Exception e) {
      // staticlogger.info( e.getMessage() );
    }
  }