Accessing an embedded media player control from ordinary C# aspx button (probably an easy question)

Hi.

First of all, I´m new to asp.net.

I have this .aspx page in my Visual Studio 2008 web project solution, with a media player control and a button which invokes it and starts playing a file:


<HTML>
<HEAD>
<script language="javascript" type="text/javascript" for="Player" event="onclick">

return Player_onclick()

</script>
</HEAD>
<BODY>
<OBJECT ID="Player" height="240" width="320" CLASSID="CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6">
<PARAM NAME="FileName"  VALUE="tc4014-v.wmv">
<PARAM NAME="AutoStart" Value="true">
<PARAM NAME="ShowControls" Value="false">
<Embed type="application/x-mplayer2"
    pluginspage=
    "http: ...