//---------------
// VALIDATORS.JS
//---------------
function LuhnCheck(str){
  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 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);
	
	
	//cascade validation
	//source: http://en.wikipedia.org/wiki/Credit_card_number
	for(i=0; i<9; 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;
		}
		if(result) 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 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'){
					if(frm.elements[i].value == ""){
						alert(msg_please_enter + ' ' + frm.elements['custom_field_name[' + id + ']'].value);
						frm.elements['custom_field[' + id + ']'].focus();
						return false;
					}
				}
			}
		}
	}
	return true;
}

function CheckAddProduct(frm, min_order, max_order, allowed_max){
	var rex = /^(\d{1,})$/
	if(!rex.test(frm.elements["oa_quantity"].value)){
		alert(msg_numeric_product_quantity);
		frm.elements["oa_quantity"].focus();
		return false;
	}
	if((frm.elements["oa_quantity"].value *1) < min_order){
		alert(msg_number_of_items_exceeded_min);
		frm.elements["oa_quantity"].focus();
		return false;
	}
	if((max_order != "-") && (frm.elements["oa_quantity"].value * 1 > max_order)){
		alert(msg_number_of_items_exceeded_max);
		frm.elements["oa_quantity"].focus();
		return false;
	}
	if((allowed_max != "-") && (frm.elements["oa_quantity"].value * 1 > allowed_max)){
		alert(mag_number_of_items_exceed_inventory);
		frm.elements["oa_quantity"].focus();
		return false;
	}
	
	// multiple shipping address
	if (mult_shipping_addresses)
	{
		// make sure a name is selected or a new name has been entered
		if (frm.elements["send_to_usid"].value == '')
		{
			alert('Please select a recipient.');
			frm.elements["send_to_usid"].focus();
			return false;
		}
		if (frm.elements["send_to_usid"].value == 'new')
		{
			if (frm.elements["send_to_new_name"].value == '')
			{
				alert("Please enter recipient name.");
				frm.elements["send_to_new_name"].focus();
				return false;
			}
		}
	}
	
	
	return true;
}

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;
}

function CheckCartForm(frm){
	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_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;
				}
			}
		}
	}
	
	
	// AllMerchants - check for delivery date
	// require_delivery_date should be set in cart page
	// 
	if (require_delivery_date)
	{
		for (delivery_date_field in delivery_date_fields)
		{
			if (frm.elements[delivery_date_fields[delivery_date_field]].value == '')
			{
				alert("Please enter delivery date.");
				frm.elements[delivery_date_fields[delivery_date_field]].focus();
				return false;
			}
			
			// check that delivery date is not in the past
			entered_date = frm.elements[delivery_date_fields[delivery_date_field]].value;
			entered_date = entered_date+' 00:00:00';
			check_date = getDateFromFormat(entered_date, 'M/d/y HH:mm:ss');

			var curr_date=new Date()
			var curr_year=curr_date.getYear()
			if (curr_year < 1000)
			curr_year+=1900

			var curr_day=curr_date.getDay();
			var curr_month=curr_date.getMonth()+1
			if (curr_month<10)
			curr_month="0"+curr_month

			var curr_daym=curr_date.getDate()
			if (curr_daym<10)
			curr_daym="0"+curr_daym

			curr_date_str = curr_month+'/'+curr_daym+'/'+curr_year;
			curr_date_str = curr_date_str+' 00:00:00';
			curr_date = getDateFromFormat(curr_date_str, 'M/d/y HH:mm:ss');
			
			if (check_date < curr_date)
			{
				alert("Please select a future delivery date.");
				frm.elements[delivery_date_fields[delivery_date_field]].focus();
				return false;
			}
			
		}
	}	
	
	// AllMerchants - check for delivery date
	// require_delivery_date should be set in cart page
	// 
	if (require_recurring_order_ship_date)
	{
		if (frm.elements['recurring_order_ship_date'].value == '')
		{
			alert("Please enter shipment date.");
			frm.elements['recurring_order_ship_date'].focus();
			return false;
		}
		
		// check that ship date is not in the past
		entered_date = frm.elements['recurring_order_ship_date'].value;
		entered_date = entered_date+' 00:00:00';
		check_date = getDateFromFormat(entered_date, 'M/d/y HH:mm:ss');

		var curr_date=new Date()
		var curr_year=curr_date.getYear()
		if (curr_year < 1000)
		curr_year+=1900

		var curr_day=curr_date.getDay();
		var curr_month=curr_date.getMonth()+1
		if (curr_month<10)
		curr_month="0"+curr_month

		var curr_daym=curr_date.getDate()
		if (curr_daym<10)
		curr_daym="0"+curr_daym

		curr_date_str = curr_month+'/'+curr_daym+'/'+curr_year;
		curr_date_str = curr_date_str+' 00:00:00';
		curr_date = getDateFromFormat(curr_date_str, 'M/d/y HH:mm:ss');
		
		if (check_date < curr_date)
		{
			alert("Please select a future shipment date.");
			frm.elements['recurring_order_ship_date'].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

// the quick signup form is on the login page
function CheckQuickSignupForm(frm)
{
	if(!CheckField(frm, "fname", msg_first_name)) return false;
	if(!CheckField(frm, "lname", msg_last_name)) return false;
	if(!CheckField(frm, "login", msg_email_address)) return false;
	if(!isEmail(frm.elements["login"].value)){
		alert(msg_enter_valid_email);
		frm.elements["login"].focus();
		return false;
	}
	if(!CheckField(frm, "password", msg_password)) return false;
	return true;
}

// this is the standard registration page
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(!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(!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(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;
	//check is there USA or Canada
	if(frm.elements["form[country]"].value == 1 || frm.elements["form[country]"].value == 2){
		//check USA state
		if(frm.elements["form[country]"].value == 1){	
			if(frm.elements["form[state]"].value < 1 || frm.elements["form[state]"].value > 51){
				alert(msg_select_usa_state);
				frm.elements["form[state]"].focus();
				return false;
			}
		}

		//check Canadian Province
		if(frm.elements["form[country]"].value == 2){	
			if(frm.elements["form[state]"].value < 51 || frm.elements["form[state]"].value > 64){
				alert(msg_select_canada_province);
				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(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(!CheckCustomFields(frm, 'account')){
		return false;	
	}
	
	if(!CheckCustomFields(frm, 'signup')){
		return false;	
	}
	
	//if(frm.elements["form[agree]"].checked == false){
	//	alert(msg_read_terms_before_registration);
	//	return false;
	//}
	return true;
}

function CheckShippingAddress(frm, fm_company, fm_address2){
	//alert('CheckShippingAddress');
	if(bypass_first_last_name_requirement)
	{
		if(frm.elements["form[fname]"].value == "" || frm.elements["form[lname]"].value == "")
		{		
			if(!CheckField(frm, "form[company]", msg_company_name)) return false;
		}
	}
	else
	{
		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;
	//check is there USA or Canada
	if(frm.elements["form[country]"].value == 1 || frm.elements["form[country]"].value == 2){
		//check USA state
		if(frm.elements["form[country]"].value == 1){	
			if(frm.elements["form[state]"].value < 1 || frm.elements["form[state]"].value >51){
				alert(msg_select_usa_state);
				frm.elements["form[state]"].focus();
				return false;
			}
		}
		//check Canadian Province
		if(frm.elements["form[country]"].value == 2){	
			if(frm.elements["form[state]"].value < 51 || frm.elements["form[state]"].value >64){
				alert(msg_select_canada_province);
				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(!CheckField(frm, "form[phone]", msg_phone_number)) return false;

	if(!CheckField(frm, "form[email]", msg_email_address)) return false;

	if(!CheckCustomFields(frm, 'shipping')){
		return false;	
	}
	
	return true;
}

function CheckShippingForm(frm, fm_company, fm_address2, ship2all, ship2countries){
	//alert('CheckShippingForm');
	var address_selected = false;
	if(!ship2all){
		for(i=0;i<frm.elements.length;i++){
			if(frm.elements[i].name == "shipping_address"){
				if(frm.elements[i] && frm.elements[i].checked && frm.elements[i].value){
					//check country
					if(frm.elements[i].value == "new"){
						//address_selected = frm.elements["form[country]"].value;
					}
					else{
						address_selected = frm.elements["country_" + frm.elements[i].value].value;
					}
				}
			}
		}
		//check shipping country
		if(address_selected){
			is_country = false;
			for(i=1; i<= ship2countries.length; i++){
				if(ship2countries[i] == address_selected){
					is_country = true;
				}
			}
			if(!is_country){
				alert(msg_incorrect_shipping_address);
				return false;
			}
		}
	}
	
	is_new_address = document.getElementById("is_new_address");
	//ra = document.getElementById("id_new_address_radio");
	hi = document.getElementById("id_new_address_hidden");
	he = document.getElementById("id_express_address_hidden");
	//if((ra && ra.checked) || hi || he || is_new_address.value=='1'){
	if(hi || he || is_new_address.value=='1'){
		if(!CheckShippingAddress(frm, fm_company, fm_address2)) return false;
		if(!ship2all){
			is_country = false;
			for(i=1; i<= ship2countries.length; i++){
				if(ship2countries[i] == frm.elements["form[country]"].value){
					is_country = true;
				}
			}
			if(!is_country){
				alert(msg_incorrect_shipping_address);
				return false;
			}
		}
	}
	return true;
}

///////////////////////////////
// CHECK BILLING FORM
function CheckBillingForm(frm, fm_company, fm_address2, fm_phone){
	if(bypass_first_last_name_requirement)
	{
		if(frm.elements["form[fname]"].value == "" || frm.elements["form[lname]"].value == "")
		{		
			if(!CheckField(frm, "form[company]", msg_company_name)) return false;
		}
	}
	else
	{
		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;
	//check is there USA or Canada
	if(frm.elements["form[country]"].value == 1 || frm.elements["form[country]"].value == 2){
		//check USA state
		if(frm.elements["form[country]"].value == 1){	
			if(frm.elements["form[state]"].value < 1 || frm.elements["form[state]"].value > 51){
				alert(msg_select_usa_state);
				frm.elements["form[state]"].focus();
				return false;
			}
		}
		//check Canadian Province
		if(frm.elements["form[country]"].value == 2){	
			if(frm.elements["form[state]"].value < 51 || frm.elements["form[state]"].value > 64){
				alert(msg_select_canada_province);
				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(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(!CheckCustomFields(frm, 'invoice')){
		return false;	
	}
	return true;
}

///////////////////////////////
// CHECK PROFILE FORM
function CheckProfileForm(frm, fm_company, fm_address2, fm_phone){
	if(bypass_first_last_name_requirement)
	{
		if(frm.elements["form[fname]"].value == "" || frm.elements["form[lname]"].value == "")
		{		
			if(!CheckField(frm, "form[company]", msg_company_name)) return false;
		}
	}
	else
	{
		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;
	//check is there USA or Canada
	if(frm.elements["form[country]"].value == 1 || frm.elements["form[country]"].value == 2){
		//check USA state
		if(frm.elements["form[country]"].value == 1){	
			if(frm.elements["form[state]"].value < 1 || frm.elements["form[state]"].value > 51){
				alert(msg_select_usa_state);
				frm.elements["form[state]"].focus();
				return false;
			}
		}
		//check Canadian Province
		if(frm.elements["form[country]"].value == 2){	
			if(frm.elements["form[state]"].value < 51 || frm.elements["form[state]"].value > 64){
				alert(msg_select_canada_province);
				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(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 CheckEmail2FriendForm(frm){
	if(!CheckField(frm, "yname", msg_your_name)) return false;
	if(!CheckField(frm, "yemail", msg_your_email_address)) return false;
	if(!isEmail(frm.elements["yemail"].value)){
		alert(msg_enter_valid_email);
		frm.elements["yemail"].focus();
		return false;
	}
	if(!CheckField(frm, "fname", msg_your_friend_name)) return false;
	if(!CheckField(frm, "femail", msg_your_friend_email_address)) return false;
	if(!isEmail(frm.elements["femail"].value)){
		alert(msg_enter_valid_email);
		frm.elements["femail"].focus();
		return false;
	}
	return true;
}

function ConfirmDeleteShippingAddress(delete_url){
	if(confirm(msg_confirm_delete_shipping_address)){
		document.location = delete_url;
	}
}


//-----------
// COMMON.JS
//-----------
var ns4 = document.layers;
var op5 = (navigator.userAgent.indexOf("Opera 5")!=-1)||(navigator.userAgent.indexOf("Opera/5")!=-1);
var op6 = (navigator.userAgent.indexOf("Opera 6")!=-1)||(navigator.userAgent.indexOf("Opera/6")!=-1);
var agt=navigator.userAgent.toLowerCase();
var mac = (agt.indexOf("mac")!=-1);
var ie = (agt.indexOf("msie") != -1); 
var mac_ie = mac && ie;

var imageWin = null;

function getRealLeft(el) {
    xPos = el.offsetLeft;
    tempEl = el.offsetParent;
    while (tempEl != null) {
        xPos += tempEl.offsetLeft;
        tempEl = tempEl.offsetParent;
    }
    return xPos;
}

function getRealTop(el) {
    yPos = el.offsetTop;
    tempEl = el.offsetParent;
    while(tempEl != null){
        yPos += tempEl.offsetTop;
        tempEl = tempEl.offsetParent;
    }
    return yPos;
}

function showHideMenuNode(node_id, image_id){
	if( document.getElementById ) { // NS6+
		n = document.getElementById(node_id);
		i = document.getElementById(image_id);
	} else if( document.all ) { // IE4+
		n = document.all(node_id);
		i = document.all(image_id);
	}
	//alert('image_id='+image_id);
	//alert('node_id='+node_id);
	category_id = node_id.substring(13);
	//alert('category_id='+category_id);
	if(n){
		//n.style.display = n.style.display == "none" ? "block" : "none";
		if (n.style.display == "none")
		{
			// open node
			n.style.display = "block";
			add_category_to_list(category_id);
			if(i){
				i.src = '/images/minus.png';
			}
		}
		else
		{
			// close node
			if(i){
				i.src = '/images/plus.png';
			}
			n.style.display = "none";
			remove_category_from_list(category_id);
		}
		//if(i){
		//	i.src = n.style.display == "none" ? '/' + skin_images + "/menu_tree_plus.gif" : '/' + skin_images + "/menu_tree_minus.gif";
		//}
	}
}

function remove_category_from_list(category_id)
{
	open_list = getMenuCookie('nav_menu');
	open_list_array = open_list.split(',');
	new_open_list = '';
	for (i=0; i<open_list_array.length; i++)
	{
		if (open_list_array[i] != category_id)
		{
			if (new_open_list == '')
			{
				new_open_list = open_list_array[i];
			}
			else
			{
				new_open_list = new_open_list + ',' + open_list_array[i];
			}
		}
	}
	//alert('new_open_list='+new_open_list);	
	setMenuCookie('nav_menu', new_open_list);
}

function add_category_to_list(category_id)
{
	open_list = getMenuCookie('nav_menu');
	//alert('open_list='+open_list);	
	if (open_list == '')
	{
		new_open_list = category_id;
	}
	else
	{
		new_open_list = open_list + ',' + category_id;
	}
	//alert('new_open_list='+new_open_list);	
	setMenuCookie('nav_menu', new_open_list);
}

function setMenuCookie(name, value, expires, path, domain, secure)
{
	document.cookie =
		name+"="+escape(value)+
		(expires ? "; expires="+expires.toGMTString() : "")+
		(path    ? "; path="   +path   : "")+
		(domain  ? "; domain=" +domain : "")+
		(secure  ? "; secure" : "");
}

function getMenuCookie(name) 
{
	cookie = " "+document.cookie;
	offset = cookie.indexOf(" "+name+"=");
	if (offset == -1) { return ''; }
	offset += name.length+2;
	end     = cookie.indexOf(";", offset)
	if (end == -1) { end = cookie.length; }
	return unescape(cookie.substring(offset, end));
}


function getElementHeight(Elem) {
	if(ns4){
		var elem = document.getElementById(Elem);
		return elem.clip.height;
	} else {
		if(document.getElementById) {
			var elem = document.getElementById(Elem);
		} else if (document.all){
			var elem = document.all[Elem];
		}
		if (op5) { 
			xPos = elem.style.pixelHeight;
		} else {
			xPos = elem.offsetHeight;
		}
		return xPos;
	} 
}

function getElementWidth(Elem) {
	if (ns4) {
		var elem = document.getElementById(Elem);
		return elem.clip.width;
	} else {
		if(document.getElementById) {
			var elem = document.getElementById(Elem);
		} else if (document.all){
			var elem = document.all[Elem];
		}
		if (op5) {
			xPos = elem.style.pixelWidth;
		} else {
			xPos = elem.offsetWidth;
		}
		return xPos;
	}
}


if(document.layers){
	_browser = "nn";
}
if(document.all){
	_browser = "ie";
}
if(navigator.userAgent.toLowerCase().match("gecko")){
	_browser= "gecko";
}
function isEmail(entry){
	var rex= /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,5})(\]?)$/;
	return rex.test(entry);
}

function delay(gap){ /* gap is in millisecs */
	var then, now; 
	then = new Date().getTime();
	now = then;
	while((now-then) < gap){
		now=new Date().getTime();
	}
}

function showProductImage(image_url, image_width, image_height){
	image_width = image_width == "" ? 400 : image_width;
	image_height = image_height == "" ? 380 : image_height;

	var w = screen.width;
	var h = screen.height;
	var ww = image_width * 1 + 20;
	var wh = image_height * 1 + 35;
	var wx = (w - ww)/2;
	var wy = (h - wh)/2;
	
	if(imageWin != null){
		imageWin.close();
	}
	imageWin = null;
	imageWin = window.open(
		"/store/enlarged_image.php?image="+image_url, 
		"ProductImageWindow", 
		"titlebar=yes, toolbar=no, menubar=no, status=no, directories=no, resizable=yes, scrollbars=yes, top=" + wy.toString() + ", left=" + wx.toString() + ", width=" + ww.toString() + ", height=" + wh.toString() + ""
	);
	//while(imageWin==null);
	imageWin.focus();
	
	//imageWin.document.body.innerHTML = "";
	//imageWin.document.write('<body style="padding:10px;margin:0px">');
	//imageWin.document.write('<div align="center"><img hspace="0" vspace="0" src="' + image_url + '"></div><br/>');
	//imageWin.document.write('<div align="center" style="font-family:arial;font-color:black;font-size:11px;"><a href="javascript:window.close();" style="color:#0000AA;">Close Window</a></div>');
	//imageWin.document.write('</body>');
	imageWin.width = ww;
	imageWin.height = wh;
	imageWin.status = '';
}

function showPrinterPage(url){
	var prWin = null;
	prWin = window.open(
		url,
		"PrintVer", 
		"titlebar=yes, toolbar=no, menubar=yes, status=yes, directories=no, resizable=yes, scrollbars=yes, top=20, left=20, width=810, height=600"
	);
	while(prWin==null);
	prWin.focus();
}

function OnButton(bt){
	document.images[bt].src = skin_images + bt + "_on.gif";
	
}
function OffButton(bt){
	document.images[bt].src = skin_images + bt + "_off.gif";
}

function OnMenu(cid){
	document.images["menul_" + cid].src = skin_images + "catl_bg_on.gif";
	document.all["menur_" + cid].background = skin_images + "catr_bg_on.gif";
}
function OffMenu(cid){
	document.images["menul_" + cid].src = skin_images + "catl_bg_off.gif";
	document.all["menur_" + cid].background = skin_images + "catr_bg_off.gif";
}
var RecentTimeOut, CartTimeOut;

function ShowCart(){
	window.clearTimeout(CartTimeOut);
	if(_browser == "ie"){
		cartDiv.style.visibility = 
			cartDiv.style.visibility == "hidden"?"visible":"hidden";
			document.images["cartImage"].src =
				cartDiv.style.visibility == "hidden"?
				(skin_images + "ic_expand.gif"):
				(skin_images + "ic_collapse.gif");
	}
	else if(_browser == "gecko"){
		document.getElementById('cartDiv').style.visibility = 
			document.getElementById('cartDiv').style.visibility == "hidden"?"visible":"hidden";
		document.images["cartImage"].src =
			document.getElementById('cartDiv').style.visibility == "hidden"?
			(skin_images + "ic_expand.gif"):
			(skin_images + "ic_collapse.gif");
	}
	else{
		document.cartDiv.visibility = document.cartDiv.visibility  == "hidden"?"visible":"hidden";
	}
}


function ShowRecent(){
	window.clearTimeout(RecentTimeOut);
	if(_browser == "ie"){
		recentDiv.style.visibility = 
			recentDiv.style.visibility == "hidden"?"visible":"hidden";
		document.images["recentImage"].src =
			recentDiv.style.visibility == "hidden"?
			(skin_images + "ic_expand.gif"):
			(skin_images + "ic_collapse.gif");
	}
	else if(_browser == "gecko"){
		document.getElementById('recentDiv').style.visibility = 
			document.getElementById('recentDiv').style.visibility == "hidden"?"visible":"hidden";
		document.images["recentImage"].src =
			document.getElementById('recentDiv').style.visibility == "hidden"?
			(skin_images + "ic_expand.gif"):
			(skin_images + "ic_collapse.gif");
	}
	else{
		document.recentDiv.visibility = document.recentDiv.visibility  == "hidden"?"visible":"hidden";
	}
}

function PopUpCart(){
	CartTimeOut = window.setTimeout('ShowCart();', 1000);
}

function PopUpRecent(){
	RecentTimeOut = window.setTimeout('ShowRecent();', 1000);
}

function OnMenu(img){
	document.images[img].src = skin_images + "menu_arrow_on.gif";
}
function OffMenu(img){
	document.images[img].src = skin_images + "menu_arrow.gif";
}

function ShowPopup(src){
	var bWin = null;
	bWin = window.open(
		src, 
		"PopupWind", 
		"titlebar=no, toolbar=no, menubar=no, status=no, directories=no, resizable=no, scrollbars=no, top=20, left=20, width=320, height=240"
	);
	while(bWin==null);
	bWin.focus();
}

function ShowPopupWH(src, width, height){
	var bWin = null;
	bWin = window.open(
		src, 
		"PopupWind", 
		"titlebar=no, toolbar=no, menubar=no, status=no, directories=no, resizable=no, scrollbars=no, top=20, left=20, width="+width+", height="+height+""
	);
	while(bWin==null);
	bWin.focus();
}

function PopUpImage(image_source, image_width, image_height){
	var bWin = null;
	bWin = window.open(
		image_source, 
		"ImageWind", 
		"titlebar=no, toolbar=no, menubar=no, status=no, directories=no, resizable=no, scrollbars=no, top=20, left=20, width=" + (image_width + 20) + ", height=" + (image_height + 20)
	);
	while(bWin==null);
	bWin.focus();
}

function ConfirmLogout(){
	//alert(urlLogout);	
	if(orderItemsCount > 0){
		if(confirm("You have items in your cart. Logging out will empty your cart\nAre you sure want to continue?")){
			document.location = urlLogout;
		}
	}
	else{
		if(confirm("Do you really want to logout?")){
			document.location = urlLogout;
		}
	}
}

function CartConfirmDeleteItem(ocid){
	if(confirm(msg_confirm_delete_item)){
		document.location = CartDeleteItemUrl + '&ocid=' + ocid;
	}
}
function CartConfirmEmpty(){
	if(confirm(msg_confirm_empty_cart)){
		document.location = CartEmptyUrl;
	}
}
function StartNewOrder(){
	if(confirm(msg_confirm_empty_cart)){
		document.location = StartNewOrderUrl;
	}
}


//added for design rollovers - MJ 03/27

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function GeniePopup(){
	var bWin = null;
	bWin = window.open(
		"/genie/", 
		"GenieWind", 
		"titlebar=no, toolbar=no, menubar=no, status=no, directories=no, resizable=yes, scrollbars=yes, top=20, left=20, width=520, height=438"
	);
	while(bWin==null);
	bWin.focus();
}

//--------------
// DESIGN.JS
//--------------
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}