title: Animate a div with jquery when we scroll to its position
body: <p>I am need of a jquery functionality through which when user is scrolling the page and a certain div comes in visible portion/middle of the screen some action happens. For example: Verelo.com. If you scroll down you will see a glob with two icons along with and an jquery animation with black arrows. I need similar functionality. I don't expect exact but at least something to be nearest. </p>
  
  <p>For my efforts, I found this example : Verelo.com and did some googling. But didn't find anything yet.</p>
  
  <p>Please help.</p>