function LuhnCheck(str)
{
  var regExp = /\s+/g;
  str = str.replace(regExp, '');
  
  var result = true;
  var sum = 0; 
  var mul = 1; 
  var strLen = str.length;
  for (i = 0; i < strLen; i++)
  {
    var digit = str.substring(strLen-i-1,strLen-i);
    var tproduct = parseInt(digit ,10)*mul;
    if (tproduct >= 10)
      sum += (tproduct % 10) + 1;
    else
      sum += tproduct;
    if (mul == 1)
      mul++;
    else
      mul--;
  }
  if ((sum % 10) != 0) result = false;
    
  return result;
}

function validateCCNum(cardNum)
{
	var regExp = /\s+/g;
	cardNum = cardNum.replace(regExp, '');
	var result = false;
	var cardLen = cardNum.length;
	var firstdig = cardNum.substring(0,1);
	var seconddig = cardNum.substring(1,2);
	var first2digs = cardNum.substring(0,2);
	var first3digs = cardNum.substring(0,3);
	var first4digs = cardNum.substring(0,4);
	var first5digs = cardNum.substring(0,5);
	var first6digs = cardNum.substring(0,6);
	
	//cascade validation
	//source: http://en.wikipedia.org/wiki/Credit_card_number
	for(i=0; i<11; i++){
		switch(i){
			case 0: //American Express 34 and 37 15 
				result = (cardLen == 15) && ((first2digs == "34") || (first2digs == "37"));
				break;
			case 1: //Bankcard 560�561 16 
				result = (cardLen == 16) && ((first3digs == "560") || (first3digs == "561"));
				break;
			case 2: //Diners Club International[1] 36 15 
				result = (cardLen == 15) && (first2digs == "36");
				break;
			case 3: //Diners Club US & Canada[1] 55 16 
				result = (cardLen == 16) && (first2digs == "55");
				break;
			
			//As of October 1st, 2005, Discover Bank will include a new BIN in the range of 650000�650999.
			case 4: //Discover Card 6011 and 650* 16 
				result = (cardLen == 16) && ((first3digs == "650") || (first4digs == "6011"));
				break;
			case 5: //JCB 3 16 
				result = (cardLen == 16) && (firstdig == "3");
				break;
			case 6: //JCB 1800 and 2131 15 
				result = (cardLen == 15) && ((first4digs == "1800") || (first4digs == "2131"));
				break;
				
			//As of November 8, 2004, MasterCard purchased the domestic (US) Diner's Club BIN range.
			//Diner's club international's website makes no reference to old 38 prefix numbers,
			//and they can be presumed reissued under the 55 or 36 BIN prefix
			case 7: //MasterCard* 51�55, 36 14 or 16 
				result = ((cardLen == 14) || (cardLen == 16)) && ((first2digs == "36") || (first2digs == "51") || (first2digs == "52") || (first2digs == "53") || (first2digs == "54") || (first2digs == "55") || (first2digs == "56") || (first2digs == "57")||(first2digs == "58") || (first2digs == "38"));
				break;
			case 8: //Visa 4 13 or 16 	
				result = ((cardLen == 13) || (cardLen == 16)) && (firstdig == "4");
				break;
			case 9: //Solo (debit card)
				result = ((cardLen == 16) || (cardLen == 18) || (cardLen == 19)) && (first4digs == "6334" || first4digs == "6767");
				break;
			case 10: //Switch (debit card)
				result = ((cardLen == 16) || (cardLen == 18) || (cardLen == 19)) && (first4digs == "4903" || first4digs == "4905" || first4digs == "4911" || first4digs == "4936" || first4digs == "6333" || first4digs == "6759" || first6digs == "564182" || first6digs == "633110");
				break;
		}
		if(result) return true;
	}
	return false;
}

/**
 * Validate cc type by number
 */
function validateCCType(type, caption, cardNum)
{
	var regExp = /\s+/g;
	cardNum = cardNum.replace(regExp, '');
	cardNum = $.trim(cardNum.toLowerCase());
	var cardLength = cardNum.length;
	type = type.replace(regExp, '').replace(/No\~/, '').replace(/Yes\~/, '');
	type = $.trim(type.toLowerCase());
	caption = caption.replace(regExp, '');
	caption = $.trim(caption.toLowerCase());
	
	var templates = new Array(
		//name, start numbers, length
		[['americanexpress', 'amex'], ['34', '37'], [15]],
		[['diners', 'dinersclub', 'diners', 'dicl'], ['300', '301', '302', '303', '304', '305', '36'], [15]],
		[['diners', 'carteblanche', 'carte'], ['38'], [14]],
		[['diners', 'dinersclub', 'carteblanche', 'carte', 'blanche'], ['300', '301', '302', '303', '304', '305'], [14]],
		[['diners', 'dinersclub', 'enroute', 'ert'], ['2014', '2149'], [15]],
		[['diners', 'dinersclub', 'international'], ['36'], [14]],
		[['diners', 'dinersclub'], ['54', '55'], [16]],
		[['discover', 'dino', 'novus', 'discovernovus'], ['6011', '6221', '6222', '6223', '6224', '6225', '6226', '6227', '6228', '6229', '644', '645', '646', '647', '648', '649', '65'], [16]],
		[['instapayment', 'insta'], ['637', '638', '639'], [16]],
		[['jcb'], ['35'], [16]],
		[['jcb'], ['2131', '1800'], [15]],
		[['laser'], ['6304', '6706', '6771', '6709'], [16, 17, 18, 19]],
		[['mastercard', 'mc', 'master'], ['51', '52', '53', '54', '55'], [16]],
		[['visa'], ['4'], [13, 16]],
		[['visaelectron', 'electron', 'visa'], ['4026', '417500', '4508', '4844', '4913', '4917'], [16]],
		//[['abc', 'australianbankcard'], [], []],
		[['sw', 'maestro', 'switch'], ['4903', '4905', '4911', '4936', '564182', '633110', '6333', '6759'], [16, 18, 19]],
		[['solo'], ['6334', '6767'], [16, 18, 19]],
		//[['uke', 'visaelectron'], [], []],
		[['bankcard'], ['5610', '560221', '560222', '560223', '560224', '560225'], [16]],
		[['chinaunionpay', 'china', 'union', 'unionpay'], ['62'], [16]]
	);
	
	var first1 = cardNum.substr(0, 1);
	var first2 = cardNum.substr(0, 2);
	var first3 = cardNum.substr(0, 3);
	var first4 = cardNum.substr(0, 4);
	var first5 = cardNum.substr(0, 5);
	var first6 = cardNum.substr(0, 6);
	// try to find match
	var fullMatch = false;
	var nameMatch = false;
	$.each(templates, function(templateIndex, template)
	{
		//check type and caption
		if ($.inArray(type, template[0]) != -1 || $.inArray(caption, template[0]) != -1)
		{
			nameMatch = true;
			//check length
			if ($.inArray(cardLength, template[2]) != -1)
			{
				//check first digits
				if (
					($.inArray(first1, template[1]) != -1) || ($.inArray(first2, template[1]) != -1) || ($.inArray(first3, template[1]) != -1) ||
					($.inArray(first4, template[1]) != -1) || ($.inArray(first5, template[1]) != -1) || ($.inArray(first6, template[1]) != -1)
				)
				{
					fullMatch = true;
				}
			}
		}
	});
	// if cart name match found but cart was not validated - returns false
	return fullMatch ? true : (nameMatch ? false : true);
}


// checks if the card is expired
function isCardExpired (expMonth, expYear) {
	var expDate = new Date();
	expDate.setFullYear(expYear,expMonth - 1,1);
	var today = new Date();
	today.setFullYear(today.getFullYear(),today.getMonth(),1);
	if (expDate < today)
	{
		return true;
	}
	return false;
}

function validateExpDate(expDate){
	//valid are  mmyy, mm/yy, mm20yy, mm/20yy
	var rex = /^(([0]\d{1})|([1]([012])))(\/?)(([2][0])?)(\d{2})$/;
	return rex.test(expDate);
}

function validateExpMonth(expDate){
	//valid are  01-12
	var rex = /^(([0]?\d{1})|([1]([012])))$/;
	return rex.test(expDate);
}

function validateExpYear(expDate){
	//valid are  mmyy, mm/yy, mm20yy, mm/20yy
	var rex = /^(([2][0])?)(\d{2})$/;
	return rex.test(expDate);
}

function validateCVC2(cvc2){
	//valid are ddd or dddd
	var rex = /^(\d{3,4})$/;
	return cvc2==""?true:rex.test(cvc2);
}

function validateName(name){
	var rex = /^[a-zA-Z \-\']+$/;
	return rex.test(name);
}

function validateText(txt){
	var d = "";
	for(i=0; i < txt.length; i++){
		if(txt.charAt(i) != " "){
			d = d + txt.charAt(i);
		}
	}
	if(d == ""){
		return false;
	}
	else{
		return true;
	}
}

function CheckField(frm, fname, ftitle){
	var s = frm.elements[fname].value;
	var d = "";
	
	for(i=0; i < s.length; i++){
		if(s.charAt(i) != " "){
			d = d + s.charAt(i);
		}
	}
	if(d == ""){
		alert(msg.please_enter + ' ' + ftitle);
		frm.elements[fname].focus();
		return false;
	}
	else{
		return true;
	}
}

function CheckCustomFields(frm, place){
	var irex = /^custom_field\[(\d{1,})\]$/;
	for(i=0; i<frm.elements.length; i++){
		if(irex.test(frm.elements[i].name)){
		//	alert(frm.elements[i].name);
			var s = frm.elements[i].name;
			var id = s.substring(13, s.length-1);
			if(frm.elements['custom_field_place[' + id + ']'].value == place){
				if(frm.elements['custom_field_required[' + id + ']'].value == 'yes'){
					//alert(frm.elements[i].type);
					if(frm.elements[i].type == "checkbox" && !frm.elements[i].checked){
						alert(msg.to_continue_please_check + ' ' + frm.elements['custom_field_name[' + id + ']'].value);
						frm.elements[i].focus();
						return false;
					}
					else if(frm.elements[i].value == ""){
						alert(msg.please_enter + ' ' + frm.elements['custom_field_name[' + id + ']'].value);
						frm.elements[i].focus();
						return false;
					}
				}
			}
		}
	}
	return true;
}

function CheckAddProduct(frm, min_order, max_order, allowed_max)
{
	if (product_may_be_added)
	{
		var rex = /^(\d{1,})$/;
		var err = false;
		if (!rex.test(frm.elements["oa_quantity"].value))
		{
			alert(msg.enter_numeric_product_quantity);
			frm.elements["oa_quantity"].focus();
			return false;
		}
		
		var quantity = frm.elements["oa_quantity"].value * 1;
		
		if ($("meta[name='ddm-page']").attr('content') == 'product')
		{
			if (inventory_control != 'No')
			{
				if (((inventory_control == 'Yes') || (inventory_control == 'AttrRuleExc') || (inventory_control == 'AttrRuleInc' && inventory_hash_found)) && quantity > product_stock)
				{
					alert(msg.number_of_items_exceed_inventory);
					err = true;
				}
			}
		}
		else
		{
			if ((allowed_max != "-") && (quantity > allowed_max))
			{
				alert(msg.number_of_items_exceed_inventory);
				err = true;
			}
		}
		
		if (quantity < min_order)
		{
			alert(msg.number_of_items_exceeded_min);
			err = true;
		}
		if ((max_order != "-") && (quantity > max_order))
		{
			alert(msg.number_of_items_exceeded_max);
			err = true;
		}
		
		if (err)
		{
			frm.elements["oa_quantity"].focus();
			return false;
		}
		
		return true;
	}
	return false;
}

function CheckResetPassword(frm){
	if(!CheckField(frm, "login", "username")) return false;
	if(!isEmail(frm.elements["email"].value)){
		alert(msg.enter_valid_email);
		frm.elements["email"].focus();
		return false;
	}
	return true;
}

/**
 * Submit cart form
 */ 
function submitCartForm(action)
{
	$('#form-cart-oa-todo').val(action);
	$('#form-cart').submit();
	
	return false;
}

/**
 * Handle cart buttons, etc
 */
$(document).ready(function(){
	$("#insureship_active").change(function(){submitCartForm("update");});
	$('#form-cart-continue-shopping').click(function(){submitCartForm("continue");return false;});
	$('#form-cart-update').click(function(){submitCartForm("update");return false;});
	$('#form-cart').submit(function(){return CheckCartForm();})
	$('.page-cart .button-checkout').each(function(){
		$(this).attr('disabled', false).removeAttr('disabled').removeAttr('aria-disabled');
		$(this).click(function(){submitCartForm("checkout");return false;});
	});
	$('.page-cart .button-apply-promo').removeAttr('disabled').removeAttr('aria-disabled').removeClass('mobile-button-disabled').removeClass('ui-state-disabled');
	
});

/**
 * Check cart form
 * @param frm
 * @return
 */
function CheckCartForm()
{
	var frm = document.getElementById('form-cart');
	var irex = /^oa_quantity\[(\d{1,})\]$/;
	var prex = /^oa_pid_to_ocid\[(\d{1,})\]$/;
	var drex = /^(\d{1,})$/;
	
	var products = new Array();
	
	for (i=0; i<frm.elements.length; i++)
	{
		if (irex.test(frm.elements[i].name))
		{
			if (!drex.test(frm.elements[i].value))
			{
				alert(msg.enter_numeric_product_quantity);
				frm.elements[i].focus();
				return false;	
			}
			if (frm.elements[i].value * 1 < (frm.elements["min_" + frm.elements[i].name].value) * 1)
			{
				alert(msg.number_of_items_exceeded_min);
				frm.elements[i].focus();
				return false;
			}
			if(
				(frm.elements["max_" + frm.elements[i].name].value != "-") && 
				(frm.elements[i].value * 1 > frm.elements["max_" + frm.elements[i].name].value * 1)
			)
			{
				alert(msg.number_of_items_exceeded_max);
				frm.elements[i].focus();
				return false;
			}
			if(
				(frm.elements["allowed_" + frm.elements[i].name].value != "-") && 
				(frm.elements[i].value * 1 > frm.elements["allowed_" + frm.elements[i].name].value * 1)
			)
			{
				alert(msg.number_of_items_exceed_inventory);
				frm.elements[i].focus();
				return false;
			}
		}
		
		if (prex.test(frm.elements[i].name))
		{
			var ocid = frm.elements[i].value;
			var pid = frm.elements["oa_ocid_to_pid[" + ocid + "]"].value;
			if (products[pid])
			{
				products[pid] = products[pid] + frm.elements["oa_quantity[" + ocid + "]"].value * 1;
			}
			else
			{
				products[pid] = frm.elements["oa_quantity[" + ocid + "]"].value * 1;
			}
			
			if (frm.elements["oa_inventory_control[" + ocid + "]"].value == "Yes")
			{
				if (frm.elements["allowed_oa_quantity[" + ocid + "]"].value < products[pid])
				{
					alert(msg.number_of_items_exceed_inventory);
					frm.elements["oa_quantity[" + ocid + "]"].focus();
					return false;
				}
			}
		}
	}
	return true;
}

function CheckNewsletters(frm){
	if(!isEmail(frm.elements["email"].value)){
		alert(msg.enter_valid_email);
		frm.elements["email"].focus();
		return false;
	}
	return true;
}

function CheckUnsubscribe(frm){
	if(!isEmail(frm.elements["cancel_email"].value)){
		alert(msg.enter_valid_email);
		frm.elements["cancel_email"].focus();
		return false;
	}
	if(confirm(msg.want_cancel_subscription)){
		return true;
	}
	return false;
}

function CheckLoginForm(frm){
	if(!CheckField(frm, "login", msg.your_username)) return false;
	if(!CheckField(frm, "password", msg.your_password)) return false;
	return true;
}

/**
 * CHECK SIGNUP FORM
 * @param frm
 * @param fm_company
 * @param fm_address2
 * @param fm_phone
 * @param ship2all
 * @param ship2countries
 * @return
 */
function CheckSignupForm(frm, fm_company, fm_address2, fm_phone, ship2all, ship2countries)
{
	if (!CheckField(frm, "form[fname]", msg.first_name)) return false;
	if (!CheckField(frm, "form[lname]", msg.last_name)) return false;
	if (fm_company == "Required" && (!CheckField(frm, "form[company]", msg.company_name))) return false;
	if (!CheckField(frm, "form[address1]", msg.address_line1)) return false;
	if (fm_address2 == "Required" && (!CheckField(frm, "form[address2]", msg.address_line2))) return false;
	if (!CheckField(frm, "form[city]", msg.city_name)) return false;
	if (!CheckField(frm, "form[country]", msg.country)) return false;
	if ($("#billing_state:visible").length > 0)
	{
		if (frm.elements["form[state]"].value == "" || frm.elements["form[state]"].value == "0")
		{
			alert(msg.select_province_state);
			frm.elements["form[state]"].focus();
			return false;
		}
	}
	else
	{
		if (!CheckField(frm, "form[province]", msg.custom_province_state)) return false;
	}
	
	if (!CheckField(frm, "form[zip]", msg.zip_postal_code)) return false;
	if (fm_phone == "Required" && (!CheckField(frm, "form[phone]", msg.phone_number))) return false;
	
	if (!CheckCustomFields(frm, 'billing')) return false;	
	
	if (!ship2all && frm.elements["form[thesame]"].checked)
	{
		//check shipping country
		c = frm.elements["form[country]"].value;
		is_country = false;
		for (i=1; i<= ship2countries.length; i++)
		{
			if (ship2countries[i] == c)
			{
				is_country = true;
			}
		}
		if (!is_country)
		{
			alert(msg.incorrect_shipping_address);
			return false;
		}
	}
	
	if (!CheckField(frm, "form[login]", msg.username)) return false;
	if (!CheckField(frm, "form[password]", msg.password)) return false;
	if (!CheckField(frm, "form[password2]", msg.password_confirmation)) return false;
	if (!CheckField(frm, "form[email]", msg.email_address)) return false;
	if (!isEmail(frm.elements["form[email]"].value))
	{
		alert(msg.enter_valid_email);
		frm.elements["form[email]"].focus();
		return false;
	}
	
	if (!CheckCustomFields(frm, 'account')) return false;	
	if (!CheckCustomFields(frm, 'signup')) return false;	
	
	if (frm.elements["form[agree]"])
	{
		if (frm.elements["form[agree]"].checked == false)
		{
			alert(msg.read_terms_before_registration);
			return false;
		}
	}
	return true;
}

/**
 * Check payment profile form
 */
function CheckPaymentProfile(frm, fm_address2, fm_phone)
{
	if (!CheckField(frm, "form[first_name]", msg.first_name)) return false;
	if (!CheckField(frm, "form[last_name]", msg.last_name)) return false;
	if (!CheckField(frm, "form[address1]", msg.address_line1)) return false;
	if (fm_address2 == "Required" && (!CheckField(frm, "form[address2]", msg.address_line2))) return false;
	if (!CheckField(frm, "form[city]", msg.city_name)) return false;
	if (!CheckField(frm, "form[country]", msg.country)) return false;
	if ($("#billing_state:visible").length > 0)
	{
		if (frm.elements["form[state]"].value == "" || frm.elements["form[state]"].value == "0")
		{
			alert(msg.select_province_state);
			frm.elements["form[state]"].focus();
			return false;
		}
	}
	else
	{
		if (!CheckField(frm, "form[province]", msg.custom_province_state)) return false;
	}
	
	if (!CheckField(frm, "form[zip]", msg.zip_postal_code)) return false;
	if (fm_phone == 'Required' && (!CheckField(frm, 'form[phone]', msg.phone_number))) return false;

	if (!CheckField(frm, "form[cc_number]", msg.cc_number)) return false;
	if (!validateCCNum(frm.elements["form[cc_number]"].value))
	{
		alert(msg.cc_number_invalid);
		return false;
	}
	if (isCardExpired(frm.elements["form[cc_expiration_month]"].value, frm.elements["form[cc_expiration_year]"].value))
	{
		alert(msg.cc_expired);
		return false;
	}
	return true;
}

/**
 * Check shipping address form
 */
function CheckShippingAddress(frm, fm_company, fm_address2)
{
	if(!CheckField(frm, "form[name]", msg.name)) return false;
	if(fm_company == "Required" && (!CheckField(frm, "form[company]", msg.company_name))) return false;
	if(!CheckField(frm, "form[address1]", msg.address_line1)) return false;
	if(fm_address2 == "Required" && (!CheckField(frm, "form[address2]", msg.address_line2))) return false;
	if(!CheckField(frm, "form[city]", msg.city_name)) return false;
	
	//check is state/province select OR custom state/province
	if($("#shipping_state:visible").length > 0){
		//check province/state from select
		if(frm.elements["form[state]"].value == "" || frm.elements["form[state]"].value == "0"){
			alert(msg.select_province_state);
			frm.elements["form[state]"].focus();
			return false;
		}
	}
	else{
		//check custom province/state
		if(!CheckField(frm, "form[province]", msg.custom_province_state)) return false;
	}
	
	if(!CheckField(frm, "form[zip]", msg.zip_postal_code)) return false;
	
	if(!CheckCustomFields(frm, 'shipping')){
		return false;	
	}
	
	return true;
}

///////////////////////////////
// CHECK PROFILE FORM
function CheckProfileForm(frm, fm_company, fm_address2, fm_phone){
	if(!CheckField(frm, "form[fname]", msg.first_name)) return false;
	if(!CheckField(frm, "form[lname]", msg.last_name)) return false;
	if(fm_company == "Required" && (!CheckField(frm, "form[company]", msg.company_name))) return false;
	if(!CheckField(frm, "form[address1]", msg.address_line1)) return false;
	if(fm_address2 == "Required" && (!CheckField(frm, "form[address2]", msg.address_line2))) return false;
	if(!CheckField(frm, "form[city]", msg.city_name)) return false;
	if(!CheckField(frm, "form[country]", msg.country)) return false;
	if(!CheckField(frm, "form[country]", msg.country)) return false;
	if($("#billing_state:visible").length > 0){
		if(frm.elements["form[state]"].value == "" || frm.elements["form[state]"].value == "0"){
			alert(msg.select_province_state);
			frm.elements["form[state]"].focus();
			return false;
		}
	}
	else{
		if(!CheckField(frm, "form[province]", msg.custom_province_state)) return false;
	}
	
	if(!CheckField(frm, "form[zip]", msg.zip_postal_code)) return false;
	if(fm_phone == "Required" && (!CheckField(frm, "form[phone]", msg.phone_number))) return false;
	if(!CheckField(frm, "form[email]", msg.email_address)) return false;
	if(!isEmail(frm.elements["form[email]"].value)){
		alert(msg.enter_valid_email);
		frm.elements["form[email]"].focus();
		return false;
	}
	
	if(!CheckCustomFields(frm, 'billing')){
		return false;	
	}
	
	if(frm.elements["form[password]"].value != ""){
		if(frm.elements["form[password]"].value != frm.elements["form[password2]"].value){
			alert(msg.different_password_and_comfirmation);
			frm.elements["form[password]"].focus();
			return false;
		}
	}
	
	if(!CheckCustomFields(frm, 'account')){
		return false;	
	}
	
	return true;
}

function ConfirmDeleteShippingAddress(address_id){
	if(confirm(msg.confirm_delete_shipping_address)){
		document.location = site_https_url + 'ua=' + USER_DELETE_ADDRESS + '&address_id=' + address_id;
	}
}

function ConfirmDeletePaymentProfile(profile_id){
	if(confirm(msg.confirm_delete_payment_profile)){
		document.location = site_https_url + 'ua=' + USER_DELETE_PAYMENT_PROFILE + '&profile_id=' + profile_id;
	}
}

function CheckWishlistName(frm){
	if(!CheckField(frm, "wishlist_name", msg.enterWishlistName)) return false;	
	return true;
}

function CheckWishlistEmailFrm(frm){
	if(!CheckField(frm, "mail_subject", "subject")) return false;	
	if(!isEmail(frm.elements["your_email"].value)){
		alert(msg.enter_valid_email);
		frm.elements["your_email"].focus();
		return false;
	}
	return true;
}

function ConfirmDeleteWishlist(wl_id){
	if(confirm(msg.confirm_delete_wishlist)){		
		document.location = site_https_url + 'p=manage_wishlist&wl_action=delete_wishlist&wlid=' + wl_id;
	}
}

function ConfirmDeleteWishlistProduct(wlp_id){
	if(confirm(msg.confirm_delete_wishlist_product)){		
		document.location = site_https_url + 'p=manage_wishlist&wl_action=delete_product&wlpid=' + wlp_id;
	}
}

/**
 * Validate gift certificate form
 */
function CheckGiftCertForm() 
{
	var id = document.getElementById('first_name');
	if (id.value == '') {
		alert('You must complete recipient\'s first name');
		id.focus();
		return false;
	}
	id = document.getElementById('last_name');
	if (id.value == '') {
		alert('You must complete recipient\'s last name');
		id.focus();
		return false;
	}
	/*id = document.getElementById('phone');
	if (id.value == '') {
		alert('You must complete recipient\'s phone');
		id.focus();
		return false;
	}*/
	id = document.getElementById('rep_email');
	if (id.value == '') {
		alert('You must complete recipient\'s email');
		id.focus();
		return false;
	}
	if (id.value.indexOf('@') < 1) {
		alert('You must enter a valid email address');
		id.focus();
		return false;
	}
	id = document.getElementById('from_name');
	if (id.value == '') {
		alert('You must complete your name');
		id.focus();
		return false;
	}
	id = document.getElementById('gift_amount');
	if (id.value == '' || id.value*1 < 1) {
		alert('You must complete a valid gift amount');
		id.focus();
		return false;
	}

	return true;
}

/**
 * Check gift certificate info
 */
function CheckGiftCertInfo(){
	var id = document.getElementById('gift_cert_first_name');
	if (id.value == '') {
		alert('Please enter first name');
		id.focus();
		return false;
	}
	id = document.getElementById('gift_cert_last_name');
	if (id.value == '') {
		alert('Please enter last name');
		id.focus();
		return false;
	}
	id = document.getElementById('gift_cert_voucher');
	if (id.value == '') {
		alert('Please enter voucher');
		id.focus();
		return false;
	}
	return true;
}