function addfavorite()
{
   if (document.all)
   {
      window.external.addFavorite('http://www.520music.com','我爱音乐网 最新流行免费音乐MP3网站 520music.com');
   }
   else if (window.sidebar)
   {
      window.sidebar.addPanel('我爱音乐网 最新流行免费音乐MP3网站 520music.com', 'http://www.520music.com', "");
   }
} 
function showtab(btnid,tabid,tabnumber)
{
	for (i = 1;i<=tabnumber;i++)
	{
		document.getElementById(tabid+"_btn"+i).className = "tabpane";
		document.getElementById(tabid+"_sub"+i).style.display = "none";
	}
	document.getElementById(tabid+"_btn"+btnid).className = "select";
	document.getElementById(tabid+"_sub"+btnid).style.display = "";
}
function memo(){
if(document.getElementById('ismemo').style.height!='auto'){
	document.getElementById('ismemo').style.height='auto';
	document.getElementById('memotxt').innerHTML="点此收缩专辑介绍";
	}else{
	document.getElementById('ismemo').style.height='105px';
	document.getElementById('memotxt').innerHTML="点击展开更多介绍";
	}
}