function freePickFormAjax(form, idToUpdate, returnMessageId, formId, processingId) {
	/* validation */
	
	if( !emailCheck(form.email.value) ) {
		return false;
	}
	
	$(processingId).style.display='';
	$(formId).style.display = 'none';
	new Ajax.Updater(
		idToUpdate,
		'publicSubscriber/addSubscriberAjax',
		{
			asynchronous:true,
			parameters:Form.serialize(form),
			onComplete:function(request, json){updateFreeFormData(request, json, returnMessageId, formId, processingId)}
		});

	return false;
}

function updateFreeFormData(request, json, returnMessageId, formId, processingId){
  if(json[0][1]=='true')
  {
    $(processingId).style.display='none';
    $(formId).style.display = 'none';
    $(returnMessageId).innerHTML = json[1][1];
  }
  else
  {
    $(processingId).style.display='none';
    $(formId).style.display = 'none';
    $(returnMessageId).innerHTML = json[1][1];
  }
}
function emailCheck (emailStr) {
	var checkTLD=1;

	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

	var emailPat=/^(.+)@(.+)$/;

	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

	var validChars="\[^\\s" + specialChars + "\]";

	var quotedUser="(\"[^\"]*\")";

	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

	var atom=validChars + '+';

	var word="(" + atom + "|" + quotedUser + ")";

	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");

	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

	var matchArray=emailStr.match(emailPat);

	if (matchArray==null) {
		alert("Email address format is incorrect. (username@domain.com)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];

	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			alert("Ths username in the email address contains invalid characters.");
			return false;
   		}
	}

	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			alert("Ths domain name in the email address contains invalid characters.");
			return false;
   		}
	}

	if (user.match(userPat)==null) {
		alert("The username in the the email address doesn't seem to be valid.");
		return false;
	}

	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert("The email IP address is not valid!");
				return false;
   			}
		}
		return true;
	}

	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			alert("The domain name for the email address does not seem to be valid.");
			return false;
   		}
	}

	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) {
		alert("The email address must end in a known domain or two letter " + "country.");
		return false;
	}

	if (len<2) {
		alert("The email address is missing a hostname!");
		return false;
	}

	return true;
}

function validateFreeForm(form){
  if(form.elements['subscriber[email]'].value==''){
    alert("Please enter an email.");
		return false;
  }else{
    if( !emailCheck(form.elements['subscriber[email]'].value) ) {
		  return false;
    }
  }
  if(form.elements['subscriber[can_receive_nfl_email]'].checked!=true && form.elements['subscriber[can_receive_cfb_email]'].checked!=true && form.elements['subscriber[can_receive_mlb_email]'].checked!=true && form.elements['subscriber[can_receive_nba_email]'].checked!=true && form.elements['subscriber[can_receive_college_email]'].checked!=true && form.elements['subscriber[can_receive_nhl_email]'].checked!=true && form.elements['subscriber[can_receive_afl_email]'].checked!=true && form.elements['subscriber[can_receive_wnba_email]'].checked!=true){
    alert("Please choose at least one sport.");
		return false;
  }
  return true;
}