blueimp jQuery file upload plugin

Avg Bid (USD)
Project Budget (USD)
$30 - $50

Project Description:
I'm using blueimp jQuery file upload plugin found here : , But what i want is to add a before send / upload existence check , that means before sending / uploading any file we will 1st check if this file already exists in our server or not . I succeeded with one file but i want to adopt it for all files found in the upload List .
so you can modify my code or create yours .

please take a look at the attached screen shot

Skills required:
Additional Files: exists.png
Hire randydom
Project posted by:
randydom Algeria
Public Clarification Board
Bids are hidden by the project creator. Log in as the employer to view bids or to bid on this project.
You will not be able to bid on this project if you are not qualified in one of the job categories. To see your qualifications click here.

$ 40
in 1 days
$ 30
in 0 days
$ 30
in 1 days