Select every element of a ul li using jquery
<p>I have a menu in form of ul li, and I want to a add different css class to every child of the li.</p>

<p>Here is the javascript code:</p>

<pre><code>$("#menu").ready(function () {
  $("#menu ul li").addClass("menu_background1");
});
</code></pre>

<p>css:</p>

<pre><code>.menu_background1 {
    background:#FF0;
}

.menu_background2 {
    background:#66C;
}
</code></pre>

<p>How should I select every child using jQuery? Every child should have different css class..</p>
