// JavaScript Document


      window.onload = function() {
      var myIMG = document.getElementById("change01");//‰æ‘œ‚ÌID
      var myMonth=new Date();
      myDate = myMonth.getMonth() + 1;
          if(myDate>=1 && myDate<4){
              myIMG.getAttributeNode("src").value="img/change/change_pic_01_1.jpg";//1�`3ŒŽ
          }else if(myDate>=4 && myDate<7){
              myIMG.getAttributeNode("src").value="img/change/change_pic_01_2.jpg";//4�`6ŒŽ
          }else if(myDate>=7 && myDate<10){
              myIMG.getAttributeNode("src").value="img/change/change_pic_01_3.jpg";//7�`9ŒŽ
          }else if(myDate==10 || myDate<=12){
              myIMG.getAttributeNode("src").value="img/change/change_pic_01_4.jpg";//10�`12ŒŽ
          }
      var myIMG = document.getElementById("change02");//‰æ‘œ‚ÌID
      var myMonth=new Date();
      myDate = myMonth.getMonth() + 1;
          if(myDate>=1 && myDate<4){
              myIMG.getAttributeNode("src").value="img/change/change_pic_02_1.jpg";//1�`3ŒŽ
          }else if(myDate>=4 && myDate<7){
              myIMG.getAttributeNode("src").value="img/change/change_pic_02_2.jpg";//4�`6ŒŽ
          }else if(myDate>=7 && myDate<10){
              myIMG.getAttributeNode("src").value="img/change/change_pic_02_3.jpg";//7�`9ŒŽ
          }else if(myDate==10 || myDate<=12){
              myIMG.getAttributeNode("src").value="img/change/change_pic_02_4.jpg";//10�`12ŒŽ
          }
      var myIMG = document.getElementById("change03");//‰æ‘œ‚ÌID
      var myMonth=new Date();
      myDate = myMonth.getMonth() + 1;
          if(myDate>=1 && myDate<4){
              myIMG.getAttributeNode("src").value="img/change/change_pic_03_1.jpg";//1�`3ŒŽ
          }else if(myDate>=4 && myDate<7){
              myIMG.getAttributeNode("src").value="img/change/change_pic_03_2.jpg";//4�`6ŒŽ
          }else if(myDate>=7 && myDate<10){
              myIMG.getAttributeNode("src").value="img/change/change_pic_03_3.jpg";//7�`9ŒŽ
          }else if(myDate==10 || myDate<=12){
              myIMG.getAttributeNode("src").value="img/change/change_pic_03_4.jpg";//10�`12ŒŽ
          }
      var myIMG = document.getElementById("change04");//‰æ‘œ‚ÌID
      var myMonth=new Date();
      myDate = myMonth.getMonth() + 1;
          if(myDate>=1 && myDate<4){
              myIMG.getAttributeNode("src").value="img/change/change_pic_04_1.jpg";//1�`3ŒŽ
          }else if(myDate>=4 && myDate<7){
              myIMG.getAttributeNode("src").value="img/change/change_pic_04_2.jpg";//4�`6ŒŽ
          }else if(myDate>=7 && myDate<10){
              myIMG.getAttributeNode("src").value="img/change/change_pic_04_3.jpg";//7�`9ŒŽ
          }else if(myDate==10 || myDate<=12){
              myIMG.getAttributeNode("src").value="img/change/change_pic_04_4.jpg";//10�`12ŒŽ
          }
      }