var currentTrack=0;
function playAudio(id,filename,trackname) {
 var open_new=false;
 var close_old=false;
 if(currentTrack==0){
  open_new=true;
 }
 else{
  if(document.getElementById('play_item_'+id).className=='player_show'){
   close_old=true;
  }
  else{
   open_new=true;
   close_old=true;
  }
 }
 if(close_old) {
  document.getElementById('play_item_'+currentTrack).innerHTML='';
  document.getElementById('play_item_'+currentTrack).className='player_hide';
 }
 if(open_new) {
  var track_url=filename;
  document.getElementById('play_item_'+id).className='player_show';
  document.getElementById('play_item_'+id).innerHTML='<object type="application/x-shockwave-flash" data="flv/player.swf" height="70" width="470"><param name="wmode" VALUE="transparent" /><param name="allowFullScreen" value="true" /><param name="allowScriptAccess" value="always" /><param name="movie" value="flv/player.swf" /><param name="FlashVars" value="way='+track_url+'&amp;swf=player.swf&amp;w=470&amp;h=70&amp;id='+id+'&amp;autoplay=1&amp;q=&amp;skin=sky&amp;volume=70&amp;comment='+trackname+'" /></object>';
  currentTrack=id;
 }
}

function swap_content(span) {
 displayType=(document.getElementById(span).style.display=='none') ? 'block':'none';
 document.getElementById(span).style.display=displayType;
}