Customize audio player of existing website

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CSS

HTML

Hello!

I've been asked by a friend of mine to modify some things of his css file. He has an online radio.I am supposed to change the player aspect. The issue is i can't make it work locally. I get the error "Task queue failed at step 4; error #2028" . I've never worked with players before. He has a ftp based domain and when i access it, opening the player html file, it works. I want to make it work locally too, to be able to test it.
I can't find the setup made in his scripts, it's a mess there, he added a lot of test files and i'm not pretty sure how he made it work.
This is the embedding code:

<object id="player" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" name="player" id="radio">
       <param name="audio" value="player.swf" />
       <param name="allowfullscreen" value="true" />
       <param name="allowscriptaccess" value="always" />
       <param name="flashvars" value="buffertime=3&file=http://live-zen.distinct.ro:8000&streamer=rtmp://live-zen.distinct.ro/shoutcast&provider=rtmp&autostart=true" />
       <embed
          type="application/x-shockwave-flash"
          id="player1"
          name="player1"
          src="player.swf"
          allowscriptaccess="always"
          allowfullscreen="true"
          flashvars="buffertime=3&skin=rowafed.xml&plugins=metaviewer-1&metaviewer.position=top&metaviewer.size=100&file=http://live-zen.distinct.ro:8000&streamer=rtmp://live-zen.distinct.ro/shoutcast&provider=rtmp&autostart=true"
        />
        </object>

I have the js file and the swf player. I don't know what to do now. His online radio works fine, even if i add the folder which doesn't work locally, even if i can't find the javascript setup in his scripts. I have to mention he built his website with wow slider, some sort of wizard for non coders. I will provide the entire html script if needed, so you can understand better.

I would really need help.

Thank you!