Saving Multiple File in database?

hi any help i have here my code.. im going to save the multiple file in my database the problem was if i upload 2 or more file only the first file uploaded till the next file.. for sample i upload

description       file
desc1              file1
desc2              file2
desc3              file3

but when i click my save button it happens like

description       file
desc1              file1
desc2              file1
desc3              file1

how can i fix my problem heres is may code

aspx.
<script type = "text/javascript">
var counter = 0;
function AddFileUpload() {
var div = document.creat ...