// 小窓オープン用
function openWindow( url ){
	window.open( url, '' , 'width=750,height=450,location=yes,menubar=yes,scrollbars=yes,resizable=yes,status=yes,titlebar=yes,toolbar=yes' );
}

flag = false;

// メニュー制御
function pullDownOn() {

ID01.style.visibility = "hidden";
ID02.style.visibility = "hidden";
ID03.style.visibility = "hidden";
ID04.style.visibility = "hidden";
ID05.style.visibility = "hidden";
ID06.style.visibility = "hidden";

}

function pullDown01() {
  if(flag) ID01.style.visibility = "hidden";
  else ID01.style.visibility = "visible";
  flag = !flag;
}

function pullDown02() {
  if(flag) ID02.style.visibility = "hidden";
  else ID02.style.visibility = "visible";
  flag = !flag;
}

function pullDown03() {
  if(flag) ID03.style.visibility = "hidden";
  else ID03.style.visibility = "visible";
  flag = !flag;
}

function pullDown04() {
  if(flag) ID04.style.visibility = "hidden";
  else ID04.style.visibility = "visible";
  flag = !flag;
}

function pullDown05() {
  if(flag) ID05.style.visibility = "hidden";
  else ID05.style.visibility = "visible";
  flag = !flag;
}

function pullDown06() {
  if(flag) ID06.style.visibility = "hidden";
  else ID06.style.visibility = "visible";
  flag = !flag;
}