Input-selector for Audio and Video is not working properly.

[HIMANSHU AGARWAL]

I am trying to switch between two different media files by using two
input-selectors but it seems that the two input-selector are not
functioning properly with each other.....

My code is available at http://pastebin.com/Mpdzm1W0

Please suggest any update in code or another to do the motive.
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