function is_valid_email(email)
{
  return /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/.test(email);
}

function validateContact()
{
  var formobj = document.contact_form;
	if (formobj.first_name.value == '' || formobj.last_name.value == '' || formobj.email.value == '' || formobj.comment.value == '')
	{
		document.getElementById("required").innerHTML = 
                "Please be sure to fill in all fields.";
		// window.scrollTo(0,0);
		return false;
	}
	else if (formobj.email.value != formobj.cemail.value)
	{
		document.getElementById("required").innerHTML = 
                "The emails you provided do not match.";
		// window.scrollTo(0,0);
		return false;
	}
	else if (is_valid_email(formobj.email.value) == false) {
			document.getElementById("required").innerHTML = 
				"Invalid email address.";
			//window.scrollTo(0,0);
			return false;	
	}
	else
	{
		return true;
	}
}

function validatePet()
{

	var formobj = document.pet_form;
	if (formobj.guestname.value == '' || formobj.guestnumber.value == '' || formobj.petsname.value == '' || formobj.pettype.value == '' || formobj.petbreed.value == '')
	{
		document.getElementById("required").innerHTML = 
                "Please be sure to fill in all fields.";
		return false;
	}
	else
	{
		return true;
	}
}

function validateGBP()
{

	var formobj = document.global_business_program;
	if (formobj.name.value == '' || formobj.organization.value == '' || formobj.address.value == '' || formobj.city.value == '' || formobj.industry.value == '' || formobj.state.value == '' || formobj.zip.value == ''|| formobj.phone1.value == ''|| formobj.phone2.value == ''|| formobj.email.value == '')
	{
		document.getElementById("required").innerHTML = 
                "Please be sure to fill in all fields.";
		return false;
	}
	else if (is_valid_email(formobj.email.value) == false) {
			document.getElementById("required").innerHTML = 
				"Invalid email address.";
			//window.scrollTo(0,0);
			return false;	
	}
	else
	{
		return true;
	}
}

function validateSpa()
{
	var formobj = document.spa_form;
	var services = document.getElementsByClassName("checkbox");
	var checked = 0;
	
	for (i=0; i<services.length; i++) {
		if(services[i].checked == true) {
			checked++;
		}
	}
	
	if (formobj.first.value == '' || formobj.last.value == '' || formobj.email.value == '' || formobj.cemail.value == '' || formobj.phone.value == '' || formobj.time.value == '' || formobj.therapist_pref.value == ''|| formobj.payment.value == '')
	{
		document.getElementById("required").innerHTML = 
                "Please be sure to fill in all fields.";
		return false;
	}
	else if (formobj.email.value != formobj.cemail.value)
	{
		document.getElementById("required").innerHTML = 
                "The emails you provided do not match.";
		// window.scrollTo(0,0);
		return false;
	}
	else if (is_valid_email(formobj.email.value) == false) {
			document.getElementById("required").innerHTML = 
				"Invalid email address.";
			//window.scrollTo(0,0);
			return false;	
	}
	else if (checked==0) {
			document.getElementById("required").innerHTML = 
				"Please select a spa service.";
			//window.scrollTo(0,0);
			return false;	
	}
	else
	{
		return true;
	}
}
$("form[name='spa_form']").submit(function(){
  validateSpa();
});

// automatically move to next phone number field
function moveNext(input) {
	var maxlength = input.maxlength;
	if(input.value.length >= input.maxLength)
	{
		input.form[(getIndex(input)+1)].focus();
	}
}
function getIndex(input) {
	var index = -1, i = 0, found = false;
	while (i < input.form.length && index == -1)
		if (input.form[i] == input)index = i;
		else i++;
	return index;
}