function doSubmit() {
   var b = true;
   b = b && enforcer('user_email', 'You must enter an email address.');
   b = b && enforcerChar('user_email', 'You must enter a valid email address', '@');
   b = b && enforcerChar('user_email', 'You must enter a valid email address', '.');
   b = b && enforcer('user_zip', 'You must enter a zip/postal code');
   if (b) {
      document.getElementById("newsletter").submit();
   }
}

function clearSignUp(e) {
   if (e.style.fontColor != "#000000") {
      e.style.color = "#000000";
	  e.value = "";
   }
}