I have the following code: 

```
$(document).ready(function() {
  $('.anchor_clicker').click(function(){
    if( $('.anchor_clicker').data('stored-height') == '930' ) {
      $('.anchor_clicker').data('stored-height','100');
      $('#desc').animate({height:'100'})
    } else {
      $('.anchor_clicker').data('stored-height','930');
      $('#desc').animate({height:'930'})
    }
  })
});

```

```
<a href="#" class="anchor_clicker">Click</a>

```

Right now I have text "Click" to do this but instead I want to have a default image icon when it is clicked the code above will expand the div and when clicked again it will shorten it. how can I use two different images instead of "CLick"?