// Reset input field color when changed
function fldReset() { this.style.backgroundColor=''; this.style.borderColor='#bbbbbb'; }

// display error message, color error field, set 
function setErm(f,m) {
  alert(m);
  f.onchange = fldReset;
  f.style.backgroundColor="#ff9"; 
  f.style.borderColor="#f00"; 
  f.focus(); 
  return false;
}

// Check field(s) for required input, When a field is found with missing input,
// alert user, set field pink, and set focus to it.
function chkRqrd(s) {
  if (arguments.length<2) return true
  for ( var i = 1; i < arguments.length; i++ ) {
    fptr = s[arguments[i]];								// Get form field pointer
    if ( fptr.value=='' ) return setErm(fptr,'You must enter your name to continue.')	// Check field for content
  }
  return true;
}

// Check mailto form field(s) for required input, When a field is found with missing input,
// alert user, set field pink, and set focus to it.
function chkMailform(s) {
   if (s.Name.value=='')		return setErm(s['Name'],		'You must enter your name to continue.')
   if (s.Telephone.value=='')		return setErm(s['Telephone'],		'You must enter your daytime phone number to continue.')
   if (s.EveTelephone.value=='')	return setErm(s['EveTelephone'],	'You must enter your evening phone number to continue.')
   if (s['MM_EMAILTO[]'][1].value=='')	return setErm(s['MM_EMAILTO[]'][1],	'You must enter your email address to continue.')
   if (s.ConfirmEmail1.value=='')	return setErm(s['ConfirmEmail1'],	'You must verify your email address to continue.')
   return true;
}