function loadMF(artist, album, track, musicfilesID){	//プレーヤーに曲を読み込む関数
	var path = "../music_files/" + artist + "/" + album + "/" + track + ".mp3";
	document["audition_interface"].nowLoading(path);
	
	//cookieを利用して15秒以内の重複クリックを防止
	if(document.cookie != "ID=" + musicfilesID){
		exp = new Date();
		exp.setTime(exp.getTime()+1000*15);
		document.cookie = "ID=" + musicfilesID + "; expires=" + exp.toGMTString();
	
		//トータルリッスンポイント
		$("musicfilesID").value = musicfilesID;
		var uri = "../../data/music_pv1_listen_point_e.php";
		var data = Form.serialize("hidden_all");
		var options = {method: "post", parameters: data};
		new Ajax.Request(uri, options);
		//ランキング用リッスンポイント
		var uri = "../../data/music_pv1_listen_point2_e.php";
		new Ajax.Request(uri, options);
	}
}
function setTabs(tabNo){	//タブの表示をコントロールする関数
	if(tabNo == 1){
		var rows1 = '<p class="left_tab_fix">new tracks</p>';
	}else{
		var rows1 = '<a onclick="setContents(1)"><p class="left_tab">new tracks</p></a>';
	}
	if(tabNo == 2){
		var rows2 = '<p class="left_tab_fix">all tracks</p>';
	}else{
		var rows2 = '<a onclick="setContents(2)"><p class="left_tab">all tracks</p></a>';
	}
	if(tabNo == 3){
		var rows3 = '<p class="left_tab_fix">ranking</p>';
	}else{
		var rows3 = '<a onclick="setContents(3)"><p class="left_tab">ranking</p></a>';
	}
	if(tabNo == 9){
		var rows9 = '<p class="right_tab_fix">how to use</p>';
	}else{
		var rows9 = '<a onclick="setContents(9)"><p class="right_tab">how to use</p></a>';
	}
	
	$("mf_tabs").innerHTML = rows1 + rows2 + rows3 + rows9;
	if($F("field").value == null){
		$("field").value = "date";
		$("sort").value = "desc";
	}
}
function setContents(tabNo){	//内容をコントロールする関数（tabNo:左から1,2、右から9,8）
	setTabs(tabNo);
	
	if(tabNo == 1){
		var target = "topixes";
		var uri = "../../data/ctone/music_pv1_topix_e.php";
		new Ajax.Updater(target, uri);
	}else if(tabNo == 2){
		var target = "topixes";
		var uri = "../../data/ctone/music_pv1_all_e.php";
		var data = Form.serialize("hidden_all");
		var options = {method : "post", parameters : data};
		new Ajax.Updater(target, uri, options);
	}else if(tabNo == 3){
		$("field").value = "listen_point_total";
		$("sort").value = "desc";
		var target = "topixes";
		var uri = "../../data/ctone/music_pv1_ranking_e.php";
		var data = Form.serialize("hidden_all");
		var options = {method: "post", parameters: data};
		new Ajax.Updater(target, uri, options);
	}else if(tabNo == 9){
		var target = "topixes";
		var uri = "../../data/music_pv1_howto_e.php";
		new Ajax.Updater(target, uri);
	}
}
function sort_input(field, search){
	if(search != "search"){
		if($F("field") == field){
			if($F("sort") == "desc"){
				$("sort").value = "asc";
			}else{
				$("sort").value = "desc";
			}
		}else{
			$("field").value = field;
			$("sort").value = "asc";
		}
//		var data = Form.serialize("hidden_all");
	}else{
		$("hidden_search").value = $('search_text').value;
//		var data = Form.serialize("hidden_all");
	}
	var search_text = $("search_text").value;
	var data = Form.serialize("hidden_all") + "&search=" + search_text;
	var target = "topixes";
	var uri = "../../data/ctone/music_pv1_all_e.php";
	var options = {method : "post" , parameters : data};
	new Ajax.Updater(target, uri, options);
}
function detailExpress(ID, tabNo){
	$("musicfilesID").value = ID;
	$("tabNo").value = tabNo;
	var target = "topixes";
	var uri = "../../data/music_pv1_detail_e.php";
	var data = Form.serialize("hidden_all");
	var options = {method : "post" , parameters : data};
	new Ajax.Updater(target, uri, options);
}