def WaitTillAllDisplayed(arg: String){
    new WebDriverWait(driver, 100).until(new ExpectedCondition[Boolean] {
      @Override
      override def apply(d: WebDriver){
        var count =0
        val list = d.findElements(By.xpath(arg))
        for(i <- 0 to list.size()-1){
          if(list.get(i).isDisplayed)
            count +=1
        }
        count == list.size()
      }

    })
  }