Или так...
<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-latest.js"></script>
<!--
<link rel="stylesheet" type="text/css" href="tmp.css" />
-->
<style type="text/css">
#container > div {
display: none;
}
#container :first-child {
display: block;
}
</style>
<script type="text/javascript">
$(document).ready(function (){
$('.next').click(function (){
$(this).parent('div').hide().next().show();
});
});
</script>
</head>
<body>
<div id='container'>
<div><button class="next">next 1</button></div>
<div><button class="next">next 2</button></div>
<div><button class="next">next 3</button></div>
<div>end</div>
</div>
</body>
</html>