function teacherLogin() {
  if ((document.login.username.value == "") || (document.login.password.value == "")) {
    alert("Please fill in your username and password.");
  } else {
    alert("Coming soon.");
//    document.login.submit();
  }
}

function managerLogin() {
  if ((document.login.username.value == "") || (document.login.password.value == "")) {
    alert("Please fill in your username and password.");
  } else {
    alert("Coming soon.");
//    document.login.submit();
  }
}

function validateDonation() {
  if (isNaN(document._xclick.amountTemp.value) || (document._xclick.amountTemp.value == "")) {
    alert("Please fill in a valid amount.");
  } else {
    var temp = document._xclick.amountTemp.value;
    document._xclick.amount.value = Math.round(temp*100)/100;
    document._xclick.submit();
  }
}