  <!--
  //■ブラウザの判別
  var agent = navigator.userAgent;
  var nv = 0;
  if(agent.indexOf("Mozilla/2") == 0){var nv = 1}
  
  
  //■新規画像の読み込み
  if(nv != 1){
      document.onimage0 = new Image();
      document.onimage0.src="images/btn0on.gif";
      
      document.onimage1 = new Image();
      document.onimage1.src="images/btn1on.gif";
      
      document.onimage2 = new Image();
      document.onimage2.src="images/btn2on.gif";
      
      document.onimage3 = new Image();
      document.onimage3.src="images/btn3on.gif";
      
      document.onimage4 = new Image();
      document.onimage4.src="images/btn4on.gif";
            
      document.onimage5 = new Image();
      document.onimage5.src="images/btn5on.gif";

      document.onimage6 = new Image();
      document.onimage6.src="images/btn6on.gif";
      
      }
  
  //■画像の入れ替え
  function menuon(i){
    if(nv != 1){
        if(i == 0){document.menu0.src="images/btn0on.gif"}
        if(i == 1){document.menu1.src="images/btn1on.gif"}
        if(i == 2){document.menu2.src="images/btn2on.gif"}
        if(i == 3){document.menu3.src="images/btn3on.gif"}
        if(i == 4){document.menu4.src="images/btn4on.gif"}
        if(i == 5){document.menu5.src="images/btn5on.gif"}
        if(i == 6){document.menu6.src="images/btn6on.gif"}
       }
  }
  
  function menuout(i){
    if(nv != 1){
        if(i == 0){document.menu0.src="images/btn0.gif"}
        if(i == 1){document.menu1.src="images/btn1.gif"}
        if(i == 2){document.menu2.src="images/btn2.gif"}
        if(i == 3){document.menu3.src="images/btn3.gif"}
        if(i == 4){document.menu4.src="images/btn4.gif"}
        if(i == 5){document.menu5.src="images/btn5.gif"}
        if(i == 6){document.menu6.src="images/btn6.gif"}
        }
  }
  // -->