The Code (fresh off the presses, displaying what was used above):

<script type="text/javascript">
<!--
var distanceBall=0; 
var directionBall=1; 
var timerToggle=null; 
function animateBall() 
{   
    document.getElementById("basketball").style.top=distanceBall + "px";   
    distanceBall+=directionBall;   
    if (distanceBall>200) 
    { 
        directionBall=-1; 
    }
    if (0>distanceBall) 
    { 
        directionBall=1; 
    }
    timerToggle = setTimeout("animateBall()",10);
}
function checkButton() 
{
  if (document.getElementById("ballButton").value=="Animate Basketball") 
  {
    document.getElementById("ballButton").value="Stop Basketball";
    animateBall();
  } else 
  {
    document.getElementById("ballButton").value="Animate Basketball";
    clearTimeout(timerToggle);
  }
}
// -->
</script>
<input id="ballButton" onclick="checkButton()" type="button" value="Animate Basketball" /> 
<div id="basketball" style="position: relative;"><img src="http://netlumination.com/wp-content/uploads/2009/10/Basketball_64x64-1.png" alt="Basketball" /></div>
<h2>The Code (fresh off the presses, displaying what was used above):</h2>
<?php
    include_once "../php/codify-function.php";
    // Show code ##################################################################
    codify(file_get_contents(__FILE__), 'javascript');
?>