function hideShow() {
if (document.getElementById("hidden").style.display=="block") {
document.getElementById("hidden").style.display="none";
}
else {
document.getElementById("hidden").style.display="block";
}
}
function hideShow1() {
if (document.getElementById("hidden1").style.display=="block") {
document.getElementById("hidden1").style.display="none";
}
else {
document.getElementById("hidden1").style.display="block";
}
}
function hideShow2() {
if (document.getElementById("hidden2").style.display=="block") {
document.getElementById("hidden2").style.display="none";
}
else {
document.getElementById("hidden2").style.display="block";
}
}