function subwin(x) {
  ID0 = document.getElementById('ID00');
  ID1 = document.getElementById('ID01');
  ID2 = document.getElementById('ID02');
  ID3 = document.getElementById('ID03');
  ID4 = document.getElementById('ID04');
  ID5 = document.getElementById('ID05');
  ID6 = document.getElementById('ID06');
  ID7 = document.getElementById('ID07');
  ID8 = document.getElementById('ID08');

if(x == 0) {
  ID0.style.visibility = "visible";
  ID7.style.visibility = "hidden";
  ID8.style.visibility = "hidden";
}else if(x == 1) {
  ID1.style.visibility = "visible";
  ID7.style.visibility = "hidden";
  ID8.style.visibility = "hidden";
}else if(x == 2) {
  ID2.style.visibility = "visible";
  ID7.style.visibility = "hidden";
  ID8.style.visibility = "hidden";
}else if(x == 3) {
  ID3.style.visibility = "visible";
  ID7.style.visibility = "hidden";
  ID8.style.visibility = "hidden";
}else if(x == 4) {
  ID06.style.visibility = "visible";
}else if(x == 5) {
  ID0.style.visibility = "hidden";
/*  ID5.style.visibility = "visible"; */
  ID7.style.visibility = "hidden";
  ID8.style.visibility = "hidden";
}else if(x == 6) {
  ID6.style.visibility = "visible";
  ID4.style.visibility = "hidden";
  ID7.style.visibility = "hidden";
  ID8.style.visibility = "hidden";
}else if(x == 7) {
  ID7.style.visibility = "visible";
  ID8.style.visibility = "hidden";
}else if(x == 8) {
  ID8.style.visibility = "visible";
  ID7.style.visibility = "hidden";
}
}

function hidden(x){
  ID0 = document.getElementById('ID00');
  ID1 = document.getElementById('ID01');
  ID2 = document.getElementById('ID02');
  ID3 = document.getElementById('ID03');
  ID4 = document.getElementById('ID04');
  ID5 = document.getElementById('ID05');
  ID6 = document.getElementById('ID06');
  ID7 = document.getElementById('ID07');
  ID8 = document.getElementById('ID08');

if(x == 0) {
  ID0.style.visibility = "hidden";
  ID1.style.visibility = "hidden";
  ID2.style.visibility = "hidden";
  ID3.style.visibility = "hidden";
  ID4.style.visibility = "hidden";
  ID5.style.visibility = "hidden";
  ID6.style.visibility = "hidden";
  ID7.style.visibility = "hidden";
  ID8.style.visibility = "hidden";
  }
}