Upload not working on adding progress bar script in HTML file

I am creating an app where I need to upload file using HTML input type="file" to a PHP server,when I upload the file to the PHP link without progress bar its working fine but when i add progress bar count script using ajaxform its unable to upload the file to the PHP server while this progress bar code works fine for this online test server, http://posttestserver.com/post.php.

I am not getting what is the actual issue as I am not aware of PHP code and my friend is not aware of HTML code,my friend is saying there is nothing to do from his end as it is working fine without progress bar script. I had tried all possible progress bar script available in the web.please help me out how to solve it with progress bar count.

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