<!--
      document.loadimg1 = new Image();
      document.loadimg1.src = "../img/img_eng2.jpg";
      document.loadimg2 = new Image();
      document.loadimg2.src = "../img/img_head_ric2.jpg";
      document.loadimg3 = new Image();
      document.loadimg3.src = "../img/img_head_ri2.jpg";
      document.loadimg4 = new Image();
      document.loadimg4.src = "../img/btn_detail2.gif";

      function on(i) {
      if ( i == 1 ) { document.img1.src = "../img/img_eng2.jpg"; }
      if ( i == 2 ) { document.img2.src = "../img/img_head_ric2.jpg"; }
      if ( i == 3 ) { document.img3.src = "../img/img_head_ri2.jpg"; }
      if ( i == 4 ) { document.img4.src = "../img/btn_detail2.gif"; }
      }

      function off(i) {
      if ( i == 1 ) { document.img1.src = "../img/img_eng1.jpg"; }
      if ( i == 2 ) { document.img2.src = "../img/img_head_ric1.jpg"; }
      if ( i == 3 ) { document.img3.src = "../img/img_head_ri1.jpg"; }
      if ( i == 4 ) { document.img4.src = "../img/btn_detail1.gif"; }
      }
//-->