function CheckForBlankFields() {
  isValid = true;
  if (document.cr.Name.value == "") {
    isValid = false;
    alert("You have not entered your name.  Please enter it now.");
    document.cr.Name.focus();
  }
  if (document.cr.Date_reported.value == "") {
    isValid = false;
    alert("You have not entered the date.  Please enter it now.");
    document.cr.Date_reported.focus();
  }
  if (document.cr.Email.value == "") {
    isValid = false;
    alert("You have not entered your email address.  Please enter it now.");
    document.cr.Email.focus();
  }
  if (document.cr.Title.value == "") {
    isValid = false;
    alert("You have not entered the title of the book.  Please enter it now.");
    document.cr.Title.focus();
  }
  if (document.cr.Author.value == "") {
    isValid = false;
    alert("You have not entered the author of the book.  Please enter it now.");
    document.cr.Author.focus();
  }
    if (document.cr.Call_number.value == "") {
      isValid = false;
      alert("You have not entered the call number of the book.  Please enter it now.");
      document.cr.Call_number.focus();
  }
    if (document.cr.Signature_supplied.value == "") {
      isValid = false;
      alert("You have not indicated that you agreed to abide by these terms!");
      document.cr.Signature_supplied.focus();
  }
  if (isValid) {
    document.cr.submit()
  }
}