function DI() {
  alert("To play with the GradeWatch do as follows:\n\n"+

        "1. Select the course:    \tDEMO\n"+
        "2. Select the user name: \tADMIN or EMAIL or LOGFILE or STAT\n"+
        "\t\t\tor any month name as a student\n"+
        "3. Select the password:  \tADMIN for admin priviliges\n"+
        "4. Select the password:  \tDEMO for student priviliges\n"+
        "5. Press the SUBMIT button\n\n"+

        "Please do not use function: \temail me my grades");
}
function DA() {
  DI();
  document.login.course.selectedIndex=document.login.course.length-1;
  document.login.username.value="admin";
  document.login.password.value="admin";
  document.login.submit.focus();
}
function DE() {
  DI();
  document.login.course.selectedIndex=document.login.course.length-1;
  document.login.username.value="email";
  document.login.password.value="admin";
  document.login.submit.focus();
}
function DL() {
  DI();
  document.login.course.selectedIndex=document.login.course.length-1;
  document.login.username.value="logfile";
  document.login.password.value="admin";
  document.login.submit.focus();
}
function DS() {
  DI();
  document.login.course.selectedIndex=document.login.course.length-1;
  document.login.username.value="stat";
  document.login.password.value="admin";
  document.login.submit.focus();
}
function DU() {
  DI();
  document.login.course.selectedIndex=document.login.course.length-1;
  document.login.username.value="April";
  document.login.password.value="demo";
  document.login.username.focus();
}