flag = false;
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;
}
function pullDown07() {
  if(flag) ID07.style.visibility = "hidden";
  else ID07.style.visibility = "visible";
  flag = !flag;
}
function pullDown08() {
  if(flag) ID08.style.visibility = "hidden";
  else ID08.style.visibility = "visible";
  flag = !flag;
}
function pullDown09() {
  if(flag) ID09.style.visibility = "hidden";
  else ID09.style.visibility = "visible";
  flag = !flag;
}
function pullDown10() {
  if(flag) ID10.style.visibility = "hidden";
  else ID10.style.visibility = "visible";
  flag = !flag;
}
function pullDown11() {
  if(flag) ID11.style.visibility = "hidden";
  else ID11.style.visibility = "visible";
  flag = !flag;
}
function pullDown12() {
  if(flag) ID12.style.visibility = "hidden";
  else ID12.style.visibility = "visible";
  flag = !flag;
}
function pullDown13() {
  if(flag) ID13.style.visibility = "hidden";
  else ID13.style.visibility = "visible";
  flag = !flag;
}
function pullDown14() {
  if(flag) ID14.style.visibility = "hidden";
  else ID14.style.visibility = "visible";
  flag = !flag;
}
function pullDown15() {
  if(flag) ID15.style.visibility = "hidden";
  else ID15.style.visibility = "visible";
  flag = !flag;
}
function pullDown16() {
  if(flag) ID16.style.visibility = "hidden";
  else ID16.style.visibility = "visible";
  flag = !flag;
}
function pullDown17() {
  if(flag) ID17.style.visibility = "hidden";
  else ID17.style.visibility = "visible";
  flag = !flag;
}
function pullDown18() {
  if(flag) ID18.style.visibility = "hidden";
  else ID18.style.visibility = "visible";
  flag = !flag;
}
function pullDown19() {
  if(flag) ID19.style.visibility = "hidden";
  else ID19.style.visibility = "visible";
  flag = !flag;
}
function pullDown20() {
  if(flag) ID20.style.visibility = "hidden";
  else ID20.style.visibility = "visible";
  flag = !flag;
}
function pullDown21() {
  if(flag) ID21.style.visibility = "hidden";
  else ID21.style.visibility = "visible";
  flag = !flag;
}
function pullDown22() {
  if(flag) ID22.style.visibility = "hidden";
  else ID22.style.visibility = "visible";
  flag = !flag;
}
function pullDown23() {
  if(flag) ID23.style.visibility = "hidden";
  else ID23.style.visibility = "visible";
  flag = !flag;
}
function pullDown24() {
  if(flag) ID24.style.visibility = "hidden";
  else ID24.style.visibility = "visible";
  flag = !flag;
}
function pullDown25() {
  if(flag) ID25.style.visibility = "hidden";
  else ID25.style.visibility = "visible";
  flag = !flag;
}
function pullDown26() {
  if(flag) ID26.style.visibility = "hidden";
  else ID26.style.visibility = "visible";
  flag = !flag;
}
function pullDown27() {
  if(flag) ID27.style.visibility = "hidden";
  else ID27.style.visibility = "visible";
  flag = !flag;
}
function pullDown28() {
  if(flag) ID28.style.visibility = "hidden";
  else ID28.style.visibility = "visible";
  flag = !flag;
}