function plusik(but,divka)
{
   var obj = document.getElementById(divka);
   if (obj.style.display=='block')
   {
      obj.style.display='none';
      but.innerHTML = '+';
   }
   else
   {
      obj.style.display='block';
      but.innerHTML = '−';
   }
}

function listen(id,time,mp3)
{
   var mdiv = document.getElementById('md'+id);
   var mimg = document.getElementById('mi'+id);
   var mlink = document.getElementById('ma'+id);
   var is_play = (mlink.title=='Воспроизвести');

   var links = document.getElementsByTagName('a');
   for (var i=0;i<links.length;i++)
   {
      if ( links[i].id.substring(0,2)=='ma' ) { links[i].title = 'Воспроизвести'; }
   }
   var divs = document.getElementsByTagName('div');
   for (var i=0;i<divs.length;i++)
   {
      if ( divs[i].id.substring(0,2)=='md' ) { divs[i].innerHTML = ''; }
   }
   var imgs = document.getElementsByTagName('img');
   for (var i=0;i<imgs.length;i++)
   {
      if ( imgs[i].id.substring(0,2)=='mi' ) { imgs[i].src = 'images/mplay.gif'; }
   }

   mlink.title = (is_play)?'Остановить':'Воспроизвести';
   mimg.src = 'images/'+( (is_play)?'mpause.gif':'mplay.gif' );
   mdiv.innerHTML = (is_play)?'<object id="mf'+id+'" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" height="7" width="297"><param name="allowScriptAccess" value="always" /><param name="swLiveConnect" value="true" /><param name="wmode" value="transparent" /><param name="movie" value="player.swf?file='+mp3+'&amp;time='+time+'&amp;mid=0&amp;vol=70" /><embed name="mf'+id+'" src="player.swf?file='+mp3+'&amp;time='+time+'&amp;mid=0&amp;vol=70" allowscriptaccess="always" swliveconnect="true" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" height="7" width="297"><\/object>':'';
}