function openFlashPlayerComponent(filename,imagefilename)
{
  document.write('<embed src="mediaplayer.swf" width="450" height="300" allowscriptaccess="always" flashvars="width=450&height=300&file='+ filename +'&image='+ imagefilename +'"/>');
}
function openFlashPlayerMovieComponent(flashvariables)
{
    document.write('<embed src="mediaplayer.swf" width="450" height="300" flashvars="'+flashvariables+'" />');
}