diff --git a/public/js/start.js b/public/js/start.js
index 11fa528..db97995 100644
--- a/public/js/start.js
+++ b/public/js/start.js
@@ -36,33 +36,36 @@
 var fileList = arrayToMap(data, keys);
 // 曲リストの連想配列確認用Log
 console.log(JSON.stringify(fileList));
-
 //console.log(fileList.length)
 
-// Audioオブジェクト
 var audioObj = new Audio();
 var playFlag = false;
 
 // 再生するプレイリストを表示
-var playList = '<table>';
-    playList += '<tr>';
-    playList += '<th>' +fileList[0].name+ '</th>';
-    playList += '<th>' +fileList[0].hint+ '</th>';
-    playList += '</tr>'
+//var playList = '<ul>';
+//for(var i=1; i<fileList.length; i++){
+//    playList += '<li onclick=start_music("audio/'+fileList[i].url+'","'+fileList[i].answer+'")>';
+//   playList += fileList[i].name + '</li>';
+//}
+//playList += '</ul>';
 
-for(var i=1; i<fileList.length; i++){
-    playList += '<tr>'
-    playList += '<td onclick=start_music("audio/'+fileList[i].url+'")>' +fileList[i].name+ '</td>' ;
+var playList = '<table>' + '<tr>' +'<th>' +fileList[0].name+ '</th>'+ '<th>' +fileList[0].hint+ '</th>'+ '</tr>';
+
+for(var i=1; i<fileList.length; ++i){
+    playList += '<tr>';
+    playList += '<td onclick=start_music("audio/'+fileList[i].url+'","'+fileList[i].answer+'")>';
+    playList += fileList[i].name + '</td>';
     playList += '<td>' +fileList[i].hint + '</td>';
     playList += '</tr>'
-}
+};
 playList += '</table>';
 
 document.getElementById('playListArea').innerHTML = playList;
 
-
 // 再生開始
-function start_music(url){
+function start_music(url, answer){
+    console.log(url);
+    console.log(answer);
     audioObj.pause(); // これがないと以前の音楽は停止しない
     audioObj = new Audio(url);
     audioObj.play();
@@ -78,26 +81,31 @@
         crtTime.innerHTML = min+":"+sec+' ['+ totalMin+':'+totalSec +']';
     }, true);
     playFlag = true;    // 再生フラグ：再生中にする
+    
+    document.getElementById('answer').outerHTML='<button type="button" id="answer" class="answer" onclick=answerMusic('+answer+')></button>';
+    
 }
 // イベント設定
 var crtTime = document.getElementById('ctime');
-var pButton = document.getElementById('playButton');
 
+// 曲の再生
+function start(){
+    playFlag = true;
+    audioObj.play();
+}
 
-// 再生ボタンのイベントを設定
-pButton.addEventListener('click', function(){
-    if (playFlag == false){
-        playFlag = true;    // 再生フラグ：再生中にする
-        audioObj.play();
-        pButton.src = 'images/off.png';
-    }else{
-        playFlag = false; // 再生フラグ：停止中にする
-        audioObj.pause();
-        pButton.src = 'images/on.png';
-    }
-}, true);
+// 曲の停止
+function stop(){
+    playFlag = false;
+    audioObj.pause();
+}
 
-
-
-
+// サビから流す(答え合わせ)
+function answerMusic(time){
+    playFlag = false;
+    audioObj.pause();
+    audioObj.currentTime=time;
+    audioObj.play();
+    //console.log(audioObj.currentTime);
+};