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);
	
	var uri = "../../data/music_pv1_listen_point_j.php";
	var data = "artist=" + artist + "&album=" + album + "&track=" + track + "&musicfilesID=" + musicfilesID;
	var options = {method: "post", parameters: data};
	new Ajax.Request(uri, options);
}

function artistList(){              //artist一覧を表示する関数
    var target = "contents_conteiner_artist";
    var uri = "../../data/ctone/artist1_list_j.php";
    new Ajax.Updater(target, uri);
}
function artistPage(artistName){    //artist別ページを表示する関数
    $("field").value = "date";
    $("sort").value = "desc";
    $("relation").value = "off";
    var target = "contents_conteiner_artist";
    var uri = "../../data/artist1_page_j.php";
    var data = "artistName=" + artistName;
    var options = {method: "POST", parameters: data};
    new Ajax.Updater(target, uri, options);
}
function sort_input(field, artistName, relation){
    if(relation == "off"){  //該当アーティストのみの場合
        if($F("field") == field){
            if($F("sort") == "desc"){
                $("sort").value = "asc";
            }else{
                $("sort").value = "desc";
            }
        }else{
            $("field").value = field;
            $("sort").value = "desc";
        }
        $("relation").value = "off";
    }else if(relation == "on"){     //参加作品全体の場合
        $("field").value = field;
        $("sort").value = "asc";
        $("relation").value = "on";
    }else if(relation == "set"){    //参加条件に変更がない場合
        if($F("field") == field){
            if($F("sort") == "desc"){
                $("sort").value = "asc";
            }else{
                $("sort").value = "desc";
            }
        }else{
            $("field").value = field;
            $("sort").value = "desc";
        }
    }
                
    var target = "track_list_conteiner";
    var uri = "../../data/artist1_tracklist_j.php";
    var data = Form.serialize("hidden_all") + "&artistName=" + artistName;
    var options = {method : "post" , parameters : data};
    new Ajax.Updater(target, uri, options);
}