var rules_agree = "";

function validator(form) { 

  if (form.spam.value != "r7ZmTa") {
    alert("The SpamCheck letters you have typed do not match the picture.  Please try again.");
    form.spam.focus();
    return false;
  }
  if (rules_agree == "") {
    alert("You must agree to the Rules of Submission set forth herein in order to continue.");
    return false;
  }
  
return true; 
}