id_list = myGetCookie('id_list');
if(id_list == null) id_list = '';
add_flg = 0;
function ajaxGetPlayList(){
	var a = new Ajax.Request(
		"/ajaxGetPlayList.php",
		{
			method: 'get',
			parameters: 'id_list=' + id_list,
			onSuccess: function(request) {
				// alert('読み込み成功しました');
			},
			onComplete: function(request) {
				//alert('読み込みが完了しました');
				$('playList').innerHTML = request.responseText;
			},
			onFailure: function(request) {
				alert('読み込みに失敗しました');
			},
			onException: function (request) {
				alert('読み込み中にエラーが発生しました');
			}
		}
	);
}
function addPlayList(id){
	array = id_list.split(',');
	skip_flg = '0';
	for(var i=0; i<array.length; i++){
		if(array[i] == id){
			skip_flg = '1';
		}
	}
	if(skip_flg == '0'){
		if(id_list == '') id_list = id;
		else id_list = id + ',' + id_list;
	}
	mySetCookie('id_list',id_list,30);
	if(add_flg == 1) ajaxGetPlayList();
}
function getPlayList(){
	add_flg = 1;
	ajaxGetPlayList();
}
function delPlayList(id){
	array = id_list.split(',');
	tmp_list = '';
	for(var i=0; i<array.length; i++){
		if(array[i] != id){
			if(tmp_list != '') tmp_list += ',';
			tmp_list += array[i];
		}
	}
	id_list = tmp_list;
	mySetCookie('id_list',id_list,30);
	if(add_flg == 1) ajaxGetPlayList();
}
function allDelPlayList(){
	if(confirm("空っぽにしてもよろしいですか？")){
		id_list = '';
		mySetCookie('id_list','',-1);
		if(add_flg == 1) ajaxGetPlayList();
	}
}
function myPageAdd(fm,path){
	fm.id_list.value = id_list;
	fm.action = path;
	fm.submit();
}