jQuery - Change color on click
<p>I'm looking at some jQuery because I want to create a div that changes color when you click it. </p>

<p>And I've done that with: </p>

<pre><code>$(function() {  
$('.star').click(function(){
    $(this).css('background', 'yellow');

  });
});
</code></pre>

<p>And it works perfectly! 
But I want it to remove the background color, when you click it one more time. Is that possible, and how would you do something like that? </p>
