if(navigator.appVersion.charAt(0) >= 3) {
   var img = new Array();
   img[7] = new Image();
   img[7].src = "common_img/size_big.gif";
   img[8] = new Image();
   img[8].src = "common_img/size_small.gif";

   img[17] = new Image();
   img[17].src = "common_img/size_big_2.gif";
   img[18] = new Image();
   img[18].src = "common_img/size_small_2.gif";


   img[21] = new Image();
   img[21].src = "/cone_new_jp/business/images/menu/menu1a_off.gif";
   img[22] = new Image();
   img[22].src = "/cone_new_jp/business/images/menu/menu2a_off.gif";
   img[23] = new Image();
   img[23].src = "/cone_new_jp/business/images/menu/menu3a_off.gif";
   img[24] = new Image();
   img[24].src = "/cone_new_jp/business/images/menu/menu4a_off.gif";
   img[25] = new Image();
   img[25].src = "/cone_new_jp/business/images/menu/menu5a_off.gif";
   img[26] = new Image();
   img[26].src = "/cone_new_jp/business/images/menu/menu1b_off.gif";
   img[27] = new Image();
   img[27].src = "/cone_new_jp/business/images/menu/menu1b1_off.gif";
   img[28] = new Image();
   img[28].src = "/cone_new_jp/business/images/menu/menu1b2_off.gif";
   img[29] = new Image();
   img[29].src = "/cone_new_jp/business/images/menu/menu1b2a_off.gif";
   img[30] = new Image();
   img[30].src = "/cone_new_jp/business/images/menu/menu1b2b_off.gif";
   img[31] = new Image();
   img[31].src = "/cone_new_jp/business/images/menu/menu1b2c_off.gif";
   img[32] = new Image();
   img[32].src = "/cone_new_jp/business/images/menu/menu1b2d_off.gif";
   img[33] = new Image();
   img[33].src = "/cone_new_jp/business/images/menu/menu1b2e_off.gif";
   img[34] = new Image();
   img[34].src = "/cone_new_jp/business/images/menu/menu1b3_off.gif";
   img[35] = new Image();
   img[35].src = "/cone_new_jp/business/images/menu/menu1b4_off.gif";
   img[36] = new Image();
   img[36].src = "/cone_new_jp/business/images/menu/menu2b_off.gif";
   img[37] = new Image();
   img[37].src = "/cone_new_jp/business/images/menu/menu2b1_off.gif";
   img[38] = new Image();
   img[38].src = "/cone_new_jp/business/images/menu/menu2b2_off.gif";
   img[39] = new Image();
   img[39].src = "/cone_new_jp/business/images/menu/menu1c_off.gif";

   img[41] = new Image();
   img[41].src = "/cone_new_jp/business/images/menu/menu1a_on.gif";
   img[42] = new Image();
   img[42].src = "/cone_new_jp/business/images/menu/menu2a_on.gif";
   img[43] = new Image();
   img[43].src = "/cone_new_jp/business/images/menu/menu3a_on.gif";
   img[44] = new Image();
   img[44].src = "/cone_new_jp/business/images/menu/menu4a_on.gif";
   img[45] = new Image();
   img[45].src = "/cone_new_jp/business/images/menu/menu5a_on.gif";
   img[46] = new Image();
   img[46].src = "/cone_new_jp/business/images/menu/menu1b_on.gif";
   img[47] = new Image();
   img[47].src = "/cone_new_jp/business/images/menu/menu1b1_on.gif";
   img[48] = new Image();
   img[48].src = "/cone_new_jp/business/images/menu/menu1b2_on.gif";
   img[49] = new Image();
   img[49].src = "/cone_new_jp/business/images/menu/menu1b2a_on.gif";
   img[50] = new Image();
   img[50].src = "/cone_new_jp/business/images/menu/menu1b2b_on.gif";
   img[51] = new Image();
   img[51].src = "/cone_new_jp/business/images/menu/menu1b2c_on.gif";
   img[52] = new Image();
   img[52].src = "/cone_new_jp/business/images/menu/menu1b2d_on.gif";
   img[53] = new Image();
   img[53].src = "/cone_new_jp/business/images/menu/menu1b2e_on.gif";
   img[54] = new Image();
   img[54].src = "/cone_new_jp/business/images/menu/menu1b3_on.gif";
   img[55] = new Image();
   img[55].src = "/cone_new_jp/business/images/menu/menu1b4_on.gif";
   img[56] = new Image();
   img[56].src = "/cone_new_jp/business/images/menu/menu2b_on.gif";
   img[57] = new Image();
   img[57].src = "/cone_new_jp/business/images/menu/menu2b1_on.gif";
   img[58] = new Image();
   img[58].src = "/cone_new_jp/business/images/menu/menu2b2_on.gif";
   img[59] = new Image();
   img[59].src = "/cone_new_jp/business/images/menu/menu1c_on.gif";
}

function change_image(nam,num) {
  if(navigator.appVersion.charAt(0) >= 3) {
  document.images[nam].src = img[num].src;
  }
}