// JavaScript Document
// プルダウンメニュー
flag = false;
function pullDown() {
  if(flag) way1.style.visibility = "hidden";
  else way.style.visibility = "visible";
  flag = !flag;
}
flag = false;
function pullDown() {
  if(flag) way2.style.visibility = "hidden";
  else way.style.visibility = "visible";
  flag = !flag;
}