function pop_audio( filename ) {
  window.open( 'audio.php?file=' + filename,'pwin', 'height=300,width=300,status=yes,toolbar=no,menubar=no,location=no');
}

function pop_video( filename, width, height ) {
  window.open( 'video.php?file=' + filename,'pwin', 'height=' + height + ',width=' + width + ',status=yes,toolbar=no,menubar=no,loca
tion=no');
}