function SongSelect(){
 
    var _this=this;
    var _songs;
	var _selectedSong = {title:'', folder:'', difficulty:''};
	var _code="";
    
    this.run = function(){
            
		_this.createCode();
		_this.display();
		$(window).resize(_this.display);
		
		var menuLoop = setInterval(_this.refresh, 20);
		$("#song-container").show();
		
		$(".difficulty").click(function(e){
			assets.sounds["don"].play();

			clearInterval(menuLoop);
			var difficultyElement = (e.target.className=="stars" || e.target.className=="diffname") ? e.target.parentElement : e.target;
			_selectedSong.difficulty = difficultyElement.classList[1]+'.osu';
			var parentID = $(this).parent().closest(".song").attr("id");
			var songID = parseInt(parentID.substr(5, parentID.length-1));
			_selectedSong.title = $(this).parent().closest('.song').find('.song-title').html();
			_selectedSong.folder = songID+" "+_selectedSong.title;
            
            bgm.pause();
			new loadSong(_selectedSong);
		});
		
		$(".song").hover(function(){
			if(!$(this).hasClass("opened"))
				$(this).css("background", "rgba(255, 233, 125, 0.90)");
		},
		function(){
			if(!$(this).hasClass("opened"))
				$(this).css("background", "rgba(255, 220, 47, 0.90)");
		});
		
		$(".song").click(function(e){
			if (!$(e.target).parents('.difficulties').length) {
				if ($(".opened").length && $(".opened").attr('id') == $(this).attr('id')) {
					assets.sounds["cancel"].play();
					$(".difficulty").hide();
					$(".opened").removeClass("opened", 300);

					assets.sounds["diffsel"].pause();
					assets.sounds["diffsel"].currentTime = 0;
					setTimeout(function(){
						assets.sounds["song-select"].play();
					}, 300);

					$('.songsel-title').fadeOut(200, function(){
						$('.songsel-title').attr('alt', '曲をえらぶ').html('曲をえらぶ').css('left', -300);
						$('.songsel-title').animate({left:0, opacity:"show"}, 400);
					});

					return;
				}

				
				if(!$('.opened').length) {
					assets.sounds["don"].play();
					assets.sounds["song-select"].pause();
					assets.sounds["song-select"].currentTime = 0;
					setTimeout(function(){
						assets.sounds["diffsel"].play();
					}, 300);

					$('.songsel-title').fadeOut(200, function(){
						$('.songsel-title').attr('alt', 'むずかしさをえらぶ').html('むずかしさをえらぶ').css('left', -300);
						$('.songsel-title').animate({left:0, opacity:"show"}, 400);
					});
				} else {
					assets.sounds["ka"].play();
				}
			};

			$(".difficulty").hide();
			$(".opened").removeClass("opened", 300);
			$(this).addClass("opened", 300, "linear", function(){
				$(this).find(".difficulty").show();
				$(this).css("background", "rgba(255, 220, 47, 0.90)");
			});
		});

	}

	this.createCode = function(){
		bgm = new BufferedLoop(
			{url: '/assets/audio/bgm_songsel.ogg', duration: 1.442},
			{url: '/assets/audio/bgm_songsel_loop.ogg', duration: 2.064}
		);
		bgm.play();

		setTimeout(function(){
			assets.sounds["song-select"].play();
		}, 200);
		for(var i=0; i<assets.songs.length; i++){
			
			var songDir = assets.songs[i].songDir;
			var songDifficulties = assets.songs[i].files;
			var titleSplit = songDir.split(" ");
			var songID = titleSplit[0];
			var songTitle = songDir.substr(songID.length+1, songDir.length-(songID.length+1));
			var songTitleSpace = songTitle.replace(/ /g, '&nbsp;');
			
			_code += "<div id='song-"+songID+"' class='song'><div class='song-title'>";
			for (var c=0; c<songTitle.length; c++) {
				var ch = songTitle.charAt(c) == ' ' ? '&nbsp;' : songTitle.charAt(c);
				var cl = ch == '&nbsp;' ? 'song-title-char song-title-space' : 'song-title-char';
				_code += '<span class="' + cl + '" alt="' + ch + '">' + ch + '</span>';
			};
			_code += "</div><ul class='difficulties'>";
			
			for(var j=0; j<songDifficulties.length; j++){
				
				var diffName = songDifficulties[j].songFile;
				diffName = diffName.substr(0, diffName.length-4);
				var diffLevel = songDifficulties[j].difficulty;
				
				var starsDisplay="";
				for(var x=1; x<=diffLevel; x++){
					starsDisplay+="&#9733;<br>";
				}
				
				var diffTxt;
				switch(diffName){
					case 'easy':
						diffTxt="かんたん";
						break;
					case 'normal':
						diffTxt="ふつう";
						break;
					case 'hard':
						diffTxt="むずかしい";
						break;
					case 'oni':
						diffTxt="おに";
						break;
				}

				_code += "<li class='difficulty "+diffName+"'>";
					_code+= "<span class='diffname'>"+diffTxt+"</span>";
					_code+= "<span class='stars'>"+starsDisplay+"</span>";
				_code += "</li>";
			
			}
			
			_code += "</ul></div>";
			
		}
		
		$("#song-container").html(_code);
		$('.difficulty').hide();
	}
    
    this.display = function(){
    }
    
    this.refresh = function(){
        
    }
	
	$("#screen").load("/src/views/songselect.html", _this.run);
    
}