<html>
<head>
<script type="text/javascript" src="/jquery/jquery.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$(":input[type=button][value=more]").bind("click",function(){
var $br = $("<br />");
var $file = $("<input type='file' name='name1' />");
var $button = $("<input type='button' value='delete'>");
$(this).after($file).after($button).after($br);
$button.bind("click",function(){
$br.remove();
$file.remove();
$button.remove();
})
})
});
</script>
</head>
<body>
<input type="file" name="file1" /><input type="button" value="more" />
</body>
</html>