【children_index】
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-1.6.1.js'></script>
<script type='text/javascript'>
$(window).load(function(){
$("#parentdiv :not(.childdiv)").hide();
});
</script>
</head>
<body>
<div id="parentdiv">
<div class="childdiv">c1</div>
<div class="childdiv">c2</div>
<div style="display: inline">unformattedtext</div>
</div>
</body>
</html>
