동적 파일 업로드 폼

<script language="JavaScript">
<!--
function addFileField() {
upload_list = document.getElementById('uploads');
list_item = document.createElement("LI");
file_field = document.createElement("INPUT");
file_field.type = "file";
file_field.name = "upload[]";
list_item.appendChild(file_field);
upload_list.appendChild(list_item);
}
//-->
</script>
<form method="post" enctype="multipart/form-data">
<a href="#" onclick="addFileField()">add file</a>
<ol id="uploads">
</ol>
<input type="submit" value="Upload" />
</form>