function changeLab(lab) {
	$("recmdNav").className = "";
	$("musicNav").className = "";

	$("recmdLab").className = "";
	$("musicLab").className = "";
	$("playerLab").className = "";

	$("recmdData").style.display = "none";
	$("musicData").style.display = "none";
	$("playerData").style.display = "none";

	switch (lab) {
		case 1:
			$("recmdNav").className = "on";
			$("recmdLab").className = "on";
			$("recmdData").style.display = "";
			break;
		case 2:
			$("musicNav").className = "on";
			$("musicLab").className = "on";
			$("musicData").style.display = "";
			break;
		case 3:
			$("playerLab").className = "on";
			$("playerData").style.display = "";
		}
}

function addPlayerList(e) {
	var e  = e || window.evnet;
	var id = (e.target) ? e.target.id : e.srcElement.id;
	var rs = id == "addRecmd" ? getData("recmd") : getData("mlist", "");

	var url  = "/music.php?a=getMusic";
	var pars = rs;
	ajax(url, pars, function(result) {addMusicList(result.responseText)}, "post");
}

function recmdPage(p, t) {
	var url  = "/music.php";
	var pars = "a=recmd&p=" +p+ "&t=" +t;
	ajax(url, pars, function(result) {$("recmdData").innerHTML = result.responseText;});
}

function mlistPage(p, t) {
	var url  = "/music.php";
	var pars = "a=mlist&p=" +p+ "&t=" +t+ "&bid=" + $("bid").value+ "&mid=" + $("mid").value;
	ajax(url, pars, function(result) {$("musicData").innerHTML = result.responseText;});
}

function stopAddPlayer(e) {
	var evt = e || event;
	if(evt.preventDefault) {
		evt.stopPropagation();
	} else {
		evt.cancelBubble=true;
	}
}

function addOnePlayerList(mid) {
	var url  = "/music.php?a=getMusic";
	var pars = "mids[]=" +mid;
	ajax(url, pars, function(result) {addMusicList(result.responseText)}, "post");
}