jQuery(document).ready(function() {
  var email = document.getElementById("reg_email");
  var done = false;
  jQuery("select[name='role']").change(function() {
    if (jQuery("select[name='role']").children(':selected').html() == 'Student') {
      if (email.value.indexOf("@") != -1) {
        if (!(/(.+)@(.+).(edu)$/.test(email.value))) {
          if (!done) {
            jQuery('#signup-dialog input[type="submit"]').prop('disabled', true);
            jQuery(".form-row.form-row-wide:eq(1)").append('<p id="alert" style="padding-top:5px;color:red;">You are not eligible for an account. Please enter a valid .edu email.</p>');
            done = true;
          } else {
            jQuery("#alert").remove();
            jQuery('#signup-dialog input[type="submit"]').prop('disabled', false);
          }
        }
      }
    }
  });
});