var lastplay = -1

function getFlashMovie(movieName)
{
  if (window.document[movieName]) 
  {
      return window.document[movieName];
  }
  if (navigator.appName.indexOf("Microsoft Internet")==-1)
  {
    if (document.embeds && document.embeds[movieName])
      return document.embeds[movieName]; 
  }
  else // if (navigator.appName.indexOf("Microsoft Internet")!=-1)
  {
    return document.getElementById(movieName);
  }
}
 
function playsong(i) {
		var item= 'button' + i
		if (i == lastplay)  {	
			document.getElementById(item).className='playbutton';
			lastplay=-1
			i=-1
		}
		else {
			if (lastplay > -1) {
				var lastitem = 'button' + lastplay;
				document.getElementById(lastitem).className='playbutton';
			}
		lastplay=i;
		document.getElementById(item).className='playbutton_play';
		}
		getFlashMovie("flashplayer").sendTextToFlash(i);
		
		}