Scroll Web Application in Selenium Webdriver

Scroll Application UP & DOWN Until Element Visible

Scroll UP ::

public  void scrollup(String xValue) 

{    

String parameter="scroll(" +xValue+ ",0)"; 

JavascriptExecutor jse = (JavascriptExecutor)wdriver;

jse.executeScript(parameter); //xvalue '500' can be altered

}

Scroll Down ::

public  void scrolldown(String num) {

JavascriptExecutor jse = (JavascriptExecutor) wdriver;

    jse.executeScript("window.scrollBy(0,"+num+")", "");

}

Scroll Until Element Visible ::

public  void scrollToElementViaJavascript(WebElement element) 

{        

((JavascriptExecutor) wdriver).executeScript("arguments[0].scrollIntoView();", element);     

}