var mp3snd = "okr1964.mp3";
if (navigator.userAgent.toLowerCase().indexOf( "msie" ) != -1){
}else if ( navigator.userAgent.toLowerCase().indexOf( "firefox" ) != -1){
  document.write('<audio src="okr1964.ogg" autoplay loop="true"></audio>');  
}else{
  document.write('<audio src="'+mp3snd+'" autoplay="autoplay">');
  document.write('<object data="'+mp3snd+'" type="application/x-mplayer2" width="0" height="0">');
  document.write('<param name="filename" value="'+mp3snd+'">');
  document.write('<param name="autostart" value="1">');
  document.write('<embed height="2" width="2" src="'+mp3snd+'" pluginspage="http://www.apple.com/quicktime/download/" type="video/quicktime" controller="false" controls="false" autoplay="true" autostart="true" loop="true" bgcolor="#000000"><br>');
  document.write('</embed></object>');
  document.write('</audio>');
}