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Iam new to ubuntu and I really like it too much but I have really a problem to open this video for lecture I hope you can help me what plugins needed because I tried many times !

1 Answer 1

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This is not a plugin, this is an error in the coding. You can check it yourself by inspect element using Firefox.

This is the code of the control buttons ( start , pause and stop)

<map name="map1">

    <area shape="rect" coords="0,0,45,26" href="#" onclick="lightStop()">

    <area shape="rect" coords="47,0,90,26" href="#" onclick="lightPause()">

    <area shape="rect" coords="92,0,135,26" href="#" onclick="lightPlay()">

    </map>

While if you check the function lightStop() or lightPause() or lightPlay() you'll observe the error.

function lightPause() {
  swapImage('document.controls','document.controls','../common/controlspause.gif','swapImage1');
  document.presentation.DoPause();
  document.swapImgData[1]=document.controls.src;
      return false;


}

you'll notice an error raised

Uncaught TypeError: undefined is not a function

So in simple words, you don't need a plugin this is some coding error in the site.

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