function lyrics(id) {
	var oldstate=document.getElementById('lyrics_'+id).style.display;
	zoz=document.getElementsByTagName('div');
	for (i=0;i<zoz.length;i++) {
		if (zoz[i].className=='d_lyrics') {
			zoz[i].style.display='none';
		}
	}
	document.getElementById('lyrics_'+id).style.display=oldstate=='block'?'none':'block';
}