[monolithed]

<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<div class="accordion">
    <h3>меню1</h3>
    <p>1</p>
    <h3>меню2</h3>
    <p>2</p>
</div>
<style type="text/css">
.accordion h3 {cursor: pointer;}
.accordion p {display: none;}
</style>

<script type="text/javascript">
$(function(){
     $(".accordion h3").click(function(){
         $(this).next("p").slideToggle("fast").siblings("p:visible").slideUp("fast");
     });
});
</script>