// Form Validation Functions  v1.1.6
// http://www.dithered.com/javascript/form_validation/index.html
// code by Chris Nott (chris@NOSPAMdithered.com - remove NOSPAM)
// modified for colehaan.com


function checkFormSection(form, formFields, elements_to_be_checked, errorMessageElementId) {
   // required fields left blank
   var emptyElements = new Array();
   for (var i = 0; i < formFields.length; i++) {
      var formFieldElement = document.getElementById(formFields[i].id);
	  if (formFieldElement != null) {
         if(formFieldElement.nodeName == 'INPUT' && formFieldElement.value == '') 
			 {
			emptyElements[emptyElements.length] = formFields[i];
			setDefaultFocus(formFieldElement);
             }
		 else if(formFieldElement.nodeName == 'SELECT' && formFieldElement.selectedIndex < 1) 
			 {
            emptyElements[emptyElements.length] = formFields[i];
			setDefaultFocus(formFieldElement);
             }
		 else 
			 {            
			initElement(formFieldElement);
             }
      }
   }
   // non-blank fields with incorrectly formed values
   var badElements = new Array();
   if(elements_to_be_checked.length > 0) {
	   var i=0;
	   var emailField = document.getElementById(elements_to_be_checked[0].id);
	  var dayPhoneField = document.getElementById(elements_to_be_checked[1].id);
	  var UsPhoneField = document.getElementById(elements_to_be_checked[2].id);
	  var zipcode = document.getElementById(elements_to_be_checked[3].id);
	  /* 
  	  *** Start: Added for ticket # 294497 
	  */
	  if(elements_to_be_checked.length > 4){
		  var addr1 = document.getElementById(elements_to_be_checked[4].id);
		  var addr2 = document.getElementById(elements_to_be_checked[5].id);
	  }
	 /* 
	 *** End: Ticket # 294497 
	 */
      if (isValidEmailStrict(emailField.value) != true) {
         badElements[i++] = emailField;
      }
	  if (isValidUSPhoneNumber(dayPhoneField.value) != true) {
         badElements[i++] = dayPhoneField;
      }
	  if (isValidUSPhoneNumber(UsPhoneField.value) != true) {
         badElements[i++] = UsPhoneField;
      }
	  if (isValidZipcode(zipcode.value) != true) {
         badElements[i++] = zipcode;
      }
	  /* 
	  *** Start: Added for ticket # 294497 
	  */
	  if(elements_to_be_checked.length > 4){
		  if (addr1.id == "saddress" || addr2.id == "saddress2")
		  {
			  if(addr1.value != ''){
				  if (isValidAddress(addr1.value) != true) {
					  badElements[i++] = addr1;
				  }
			  }
				
  			  if(addr2.value != ''){
				  if (isValidAddress(addr2.value) != true) {
					 badElements[i++] = addr2;
				  }
			  } 
		  }
	  }
	  /* 
	  *** End: Ticket # 294497 
	  */
   }
   // show error messages
   if (emptyElements.length > 0 || badElements.length > 0) {
	  var errorMessages = '';
      var errorMessageHolder = document.getElementById(errorMessageElementId);
      for (var i = 0; i < emptyElements.length; i++) {
			var element = emptyElements[i];
			errorMessages = element.name;
			setFormsErrorMsgs(document.getElementById(element.id), errorMessages);
      }
      
      for (var i = 0; i < badElements.length; i++) {
         var element = badElements[i];
		 if(badElements[i].id == "bfax" || badElements[i].id == "sdayphone")
		  {
			 if(badElements[i].id == "bfax")
			 {
				errorMessages = 'Your alternate phone number is missing or formatted incorrectly. It must contain 10 digits. Please try again.';
			 }
			 else
			 {
				errorMessages = 'Your shipping phone number is missing or formatted incorrectly. It must contain 10 digits. Please try again.';
			 }
		  }
		  else if(badElements[i].id == "bemail")
		  {
			 errorMessages = 'Please enter an email address.';
		  }
		  else if(badElements[i].id == "bphone")
		  {
			 errorMessages = 'Your billing phone number is missing or formatted incorrectly. It must contain 10 digits. Please try again.';
		  }
          else if((badElements[i].id == "bzip")||(badElements[i].id == "szip"))
		  {
			 errorMessages = 'Your zip code must contain 5 digits.';
		  }
		  /* 
		  *** Start: Added for ticket # 294497 
		  */
		  if((badElements[i].id == "saddress"))
		  {
			 errorMessages = 'Shipping address cannot be PO Box.';
		  }
		  else if((badElements[i].id == "saddress2"))
		  {
			 errorMessages = 'Shipping address cannot be PO Box.';
		  }	
		  /* 
		  *** End: Ticket # 294497 
		  */
          var existingMsg = $(document.getElementById(element.id).parentNode).find(".errorMessage").html();
		if(existingMsg == '')
		  {
			 setFormsErrorMsgs(document.getElementById(element.id), errorMessages);
		  }
      }
            
      //errorMessageHolder.innerHTML = errorMessages;
      return false;
   }
   else {
      return true;
   }
}

// Check that the number of characters in a string is between a max and a min
function isValidLength(string, min, max) {
	if (string.length < min || string.length > max) return false;
	else return true;
}

//Check if password is a valid length.
function isValidPasswordLength(password){
	var passwordMinLength = 6;
	return password != undefined && trimWhitespace(password).length >= passwordMinLength;
}

// Check that a credit card number is valid based using the LUHN formula (mod10 is 0)
function isValidCreditCard(number) {
	number = '' + number;
	
	if (number.length > 16 || number.length < 13 ) return false;
	else if (getMod10(number) != 0) return false;
	else if (arguments[1]) {
		var type = arguments[1];
		var first2digits = number.substring(0, 2);
		var first4digits = number.substring(0, 4);
		
		if (type.toLowerCase() == 'visa' && number.substring(0, 1) == 4 &&
			(number.length == 16 || number.length == 13 )) return true;
		else if (type.toLowerCase() == 'mastercard' && number.length == 16 &&
			(first2digits == '51' || first2digits == '52' || first2digits == '53' || first2digits == '54' || first2digits == '55')) return true;
		else if (type.toLowerCase() == 'american express' && number.length == 15 && 
			(first2digits == '34' || first2digits == '37')) return true;
		else if (type.toLowerCase() == 'diners club' && number.length == 14 && 
			(first2digits == '30' || first2digits == '36' || first2digits == '38')) return true;
		else if (type.toLowerCase() == 'discover' && number.length == 16 && first4digits == '6011') return true;
		else if (type.toLowerCase() == 'enroute' && number.length == 15 && 
			(first4digits == '2014' || first4digits == '2149')) return true;
		else if (type.toLowerCase() == 'jcb' && number.length == 16 &&
			(first4digits == '3088' || first4digits == '3096' || first4digits == '3112' || first4digits == '3158' || first4digits == '3337' || first4digits == '3528')) return true;
		
    // if the above card types are all the ones that the site accepts, change the line below to 'else return false'
    else return true;
	}
	else return true;
}

// Check that an email address is valid based on RFC 821 (?)
function isValidEmail(address) {
	if (address != '' && address.search) {
      if (address.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1) return true;
      else return false;
	}
	
   // allow empty strings to return true - screen these with either a 'required' test or a 'length' test
   else return true;
}

// Check that an email address has the form something@something.something
// This is a stricter standard than RFC 821 (?) which allows addresses like postmaster@localhost
function isValidEmailStrict(address) {
	if (isValidEmail(address) == false) return false;
	var domain = address.substring(address.indexOf('@') + 1);
	if (domain.indexOf('.') == -1) return false;
	if (domain.indexOf('.') == 0 || domain.indexOf('.') == domain.length - 1) return false;
	return true;
}

// Check that a US zip code is valid
function isValidZipcode(zipcode) {
	zipcode = removeSpaces(zipcode);
	if (!(zipcode.length == 5 || zipcode.length == 9 || zipcode.length == 10)) return false;
   if ((zipcode.length == 5 || zipcode.length == 9) && !isNumeric(zipcode)) return false;
   if (zipcode.length == 10 && zipcode.search && zipcode.search(/^\d{5}-\d{4}$/) == -1) return false;
   return true;
}

/* 
*** For ticket # 294497 - 
	- Method isValidAddress() added to check presence of PO Box in address fields
*/
function isValidAddress(address) {

	var poAddress = removeSpaces(address);
	if(poAddress.toLowerCase().substring(0,13) == 'postofficebox'){
			return false;
	}

	var checkPO = address.substring(0,2);
	var checkDigit = address.substr(2,1);
	
	if(checkPO.toLowerCase() == 'po'){
		if(checkDigit > 0 && checkDigit < 9){
			return false;
		}
		if(checkDigit == '-' || checkDigit == ':'){
			return false;
		}
	}

	var noSpaceBOX = address.split(' ').join('');
	var checknoSpaceBox = noSpaceBOX.substring(0,3);
	var checkDigitBox = noSpaceBOX.substr(3,1);
	if(checknoSpaceBox.toLowerCase() == 'box'){
		if(checkDigitBox > 0 && checkDigitBox < 9){
			return false;
		}
	}

	var checkBOX = address.substring(0,3);
	var checkDigit2 = address.substr(3,1);
	if(checkDigit2 == ' '){
		if(checkBOX.toLowerCase() == 'box'){
			return false;
		}
	}
	else{
		if(checkBOX.toLowerCase() == 'box'){
			if(checkDigit2 > 0 && checkDigit2 < 9){
				return false;
			}
		}
	}	

	var valstreet_address1 = new RegExp("^[pP]{1}[.]*[oO]{1}[.]*[ ]*[bB]{1}[oO]{1}[xX]{1}");
	var valstreet_address2 = new RegExp("^[pP]{1}[.]*[oO]{1}[.]*[ ]{1}");
	var valstreet_address3 = new RegExp("^[pP]{1}[ ][oO]{1}[ ]*");
	var valstreet_address4 = new RegExp("^[pP]{1}[.][oO]{1}");
	var valstreet_address5 = new RegExp("^[pP]{1}[.][ ][oO]{1}");
    var valstreet_address6 = new RegExp("^[pP]{1}[.][ ]*[bB]{1}[oO]{1}[xX]{1}");
	var valstreet_address7 = new RegExp("^[pP]{1}[.][bB]{1}[oO]{1}[xX]{1}");
	var valstreet_address8 = new RegExp("^[pP]{1}[bB]{1}[oO]{1}[xX]{1}");
	var valstreet_address10 =  new RegExp("^[pP]{1}[ ]*[oO]{1}[ ]*[bB]{1}[ ]*[oO]{1}[ ]*[xX]{1}[ ]*");

	if (address.match(valstreet_address1) != null) {
		 return false;
	}
	else if (address.match(valstreet_address2) != null) {
		 return false;
	}
    else if (address.match(valstreet_address3) != null) {
		 return false;
	} 
    else if (address.match(valstreet_address4) != null) {
		 return false;
	}
	else if (address.match(valstreet_address5) != null) {
		 return false;
	}
	else if (address.match(valstreet_address6) != null) {
		 return false;
	}
	else if (address.match(valstreet_address7) != null) {
		 return false;
	}
	else if (address.match(valstreet_address8) != null) {
		 return false;
	}
	else if (address.match(valstreet_address10) != null) {
		 return false;
	}

	return true;
}
/* 
*** End: Ticket # 294497 
*/

// Check that a Canadian postal code is valid
function isValidPostalcode(postalcode) {
	if (postalcode.search) {
		postalcode = removeSpaces(postalcode);
		if (postalcode.length == 6 && postalcode.search(/^[a-zA-Z]\d[a-zA-Z]\d[a-zA-Z]\d$/) != -1) return true;
		else if (postalcode.length == 7 && postalcode.search(/^[a-zA-Z]\d[a-zA-Z]-\d[a-zA-Z]\d$/) != -1) return true;
		else return false;
	}
	return true;
}

// Check that a US or Canadian phone number is valid
function isValidUSPhoneNumber(areaCode, prefixNumber, suffixNumber) {
   if (arguments.length == 1) {
      var phoneNumber = arguments[0];
      phoneNumber = phoneNumber.replace(/\D+/g, '');
      var length = phoneNumber.length;
      if (phoneNumber.length >= 7) {
         var areaCode = phoneNumber.substring(0, length-7);
         var prefixNumber = phoneNumber.substring(length-7, length-4);
         var suffixNumber = phoneNumber.substring(length-4);
      }
      else return false;
   }
   else if (arguments.length == 3) {
      var areaCode = arguments[0];
      var prefixNumber = arguments[1];
      var suffixNumber = arguments[2];
   }
   else return true;

   if (areaCode.length != 3 || !isNumeric(areaCode) || prefixNumber.length != 3 || !isNumeric(prefixNumber) || suffixNumber.length != 4 || !isNumeric(suffixNumber)) return false;
   return true;
}

// Check that a string contains only letters and numbers
function isAlphanumeric(string, ignoreWhiteSpace) {
	if (string.search) {
		if ((ignoreWhiteSpace && string.search(/[^\w\s]/) != -1) || (!ignoreWhiteSpace && string.search(/\W/) != -1)) return false;
	}
	return true;
}

// Check that a string contains only letters
function isAlphabetic(string, ignoreWhiteSpace) {
	if (string.search) {
		if ((ignoreWhiteSpace && string.search(/[^a-zA-Z\s]/) != -1) || (!ignoreWhiteSpace && string.search(/[^a-zA-Z]/) != -1)) return false;
	}
	return true;
}

// Check that a string contains only numbers
function isNumeric(string, ignoreWhiteSpace) {
	if (string.search) {
		if ((ignoreWhiteSpace && string.search(/[^\d\s]/) != -1) || (!ignoreWhiteSpace && string.search(/\D/) != -1)) return false;
	}
	return true;
}

// Remove characters that might cause security problems from a string 
function removeBadCharacters(string) {
	if (string.replace) {
		string.replace(/[<>\"\'%;\)\(&\+]/, '');
	}
	return string;
}

// Remove all spaces from a string
function removeSpaces(string) {
	var newString = '';
	for (var i = 0; i < string.length; i++) {
		if (string.charAt(i) != ' ') newString += string.charAt(i);
	}
	return newString;
}

// Remove leading and trailing whitespace from a string
function trimWhitespace(string) {
	var newString  = '';
	var substring  = '';
	beginningFound = false;
	
	// copy characters over to a new string
	// retain whitespace characters if they are between other characters
	for (var i = 0; i < string.length; i++) {
		
		// copy non-whitespace characters
		if (string.charAt(i) != ' ' && string.charCodeAt(i) != 9) {
			
			// if the temporary string contains some whitespace characters, copy them first
			if (substring != '') {
				newString += substring;
				substring = '';
			}
			newString += string.charAt(i);
			if (beginningFound == false) beginningFound = true;
		}
		
		// hold whitespace characters in a temporary string if they follow a non-whitespace character
		else if (beginningFound == true) substring += string.charAt(i);
	}
	return newString;
}

// Returns a checksum digit for a number using mod 10
function getMod10(number) {
	
	// convert number to a string and check that it contains only digits
	// return -1 for illegal input
	number = '' + number;
	number = removeSpaces(number);
	if (!isNumeric(number)) return -1;
	
	// calculate checksum using mod10
	var checksum = 0;
	for (var i = number.length - 1; i >= 0; i--) {
		var isOdd = ((number.length - i) % 2 != 0) ? true : false;
		digit = number.charAt(i);
		
		if (isOdd) checksum += parseInt(digit);
		else {
			var evenDigit = parseInt(digit) * 2;
			if (evenDigit >= 10) checksum += 1 + (evenDigit - 10);
			else checksum += evenDigit;
		}
	}
	return (checksum % 10);
}

function initFormsErrorMsgs(){
	//This function is written to remove the error messages when the page is loaded.s
	$(".errorMessage").html('');
	$(".errorMessage").hide("fast");
	$("fieldset").find("input").css('background-color','transparent');
	$("fieldset").find("select").css('background-color','transparent');
}

function getErrorInfo(formFieldElement, errorMessages){
	if(formFieldElement.id=="sdayphone" && formFieldElement.value != '')
		{
		var isValid=isValidUSPhoneNumber(formFieldElement.value);
	if(!isValid){
			errorMessages = "Your shipping phone number is missing or formatted incorrectly. It must contain 10 digits. Please try again.";
	            }
		}
	else if(formFieldElement.id=="sdayphone" && formFieldElement.value == '')
          errorMessages = "Please enter a shipping phone number in case the courier needs to contact you.";
	if(formFieldElement.id=="bfax" && formFieldElement.value != ''){
		var isValid=isValidUSPhoneNumber(formFieldElement.value);
		if(!isValid)
			errorMessages = "Your alternate phone number is missing or formatted incorrectly. It must contain 10 digits. Please try again.";
	}
	else if(formFieldElement.id=="bfax" && formFieldElement.value == '')
          errorMessages = "Please enter an alternate contact phone number.";
	if(formFieldElement.id=="bemail" && formFieldElement.value != ''){
		var isValid=isValidEmailStrict(formFieldElement.value);
		if(!isValid)
			errorMessages = "Please enter an email address.";
	}
	else if(formFieldElement.id=="bemail" && formFieldElement.value == '')
           errorMessages = "Please enter an email address.";
	if(formFieldElement.id=="bphone" && formFieldElement.value != '')
		{
		var isValid=isValidUSPhoneNumber(formFieldElement.value);
		if(!isValid)
			errorMessages = "Your billing phone number is missing or formatted incorrectly. It must contain 10 digits. Please try again.";
	    }
	else if(formFieldElement.id=="bphone" && formFieldElement.value == '')
            errorMessages = "Please enter a billing phone number.";
    if((formFieldElement.id=="bzip"||formFieldElement.id=="szip") && formFieldElement.value != '')
		{
		//var isValid=isValidUSPhoneNumber(formFieldElement.value);
		var isValid=isValidZipcode(formFieldElement.value);
		if(!isValid)
			errorMessages = "Your zip code must contain 5 digits.";
	    }
	else if((formFieldElement.id=="bzip"||formFieldElement.id=="szip") && formFieldElement.value == '')
            errorMessages = "Please enter a zip code. ";
	/* 
	*** Start: Added for ticket # 294497 
	*/
	if(formFieldElement.id=="saddress" && formFieldElement.value != '')
	{
		var isValid=isValidAddress(formFieldElement.value);
		if(!isValid)
			errorMessages = "Shipping address field cannot be PO Box.";
	}
	else if((formFieldElement.id=="baddr1"||formFieldElement.id=="saddress") && formFieldElement.value == '')
            errorMessages = "Please enter an address. ";
	
	if(formFieldElement.id=="saddress2" && formFieldElement.value != '')
	{
		var isValid=isValidAddress(formFieldElement.value);
		if(!isValid)
			errorMessages = "Shipping address field cannot be PO Box.";
	}
	/* 
	*** End: Ticket # 294497 
	*/
	$(formFieldElement).addClass('errorHighlight');
	$(formFieldElement.parentNode).find(".errorMessage").css('background-color','#ffffff');
	$(formFieldElement.parentNode).find(".errorMessage").css('color','#cc0000');
	$(formFieldElement.parentNode).find(".errorMessage").css('border','1px solid #cc0000');
	$(formFieldElement.parentNode).find(".errorMessage").html("<div class=\"errorIndicator\"><div class=\"errorIndicatorInner\"></div></div>"+errorMessages);
	if(navigator.userAgent.indexOf("MSIE") != -1)
		$(formFieldElement.parentNode).find(".errorData").css('margin-top','-12px');

}
function setFormsErrorMsgs(objParent, errorMessages){
	//This function is written to display the error messages.

	getErrorInfo(objParent, errorMessages);

	$(objParent).focusin(function(){
		$(objParent.parentNode).find(".errorMessage").css('display','inline').fadeIn(1000);

	});

	$(objParent).focusout(function(){
		$(objParent.parentNode).find(".errorMessage").css('display','inline').fadeOut(500);
		var isValid=true;
		var tempObj = removeSpaces(objParent.value);
		if(tempObj == ''){
			/* 
			*** Start: Modified for ticket # 294497 
			*/
			if(objParent.id == "saddress2"){
				isValid=true;
			}
			else{
				isValid=false;
			}
			/* 
			*** End: Ticket # 294497 
			*/
		}else{
			if(objParent.id == "bemail")
				isValid=isValidEmailStrict(objParent.value);
			else if(objParent.id == "bphone")
				isValid=isValidUSPhoneNumber(objParent.value);
			else if(objParent.id == "bfax" || objParent.id == "sdayphone"){
				isValid=isValidUSPhoneNumber(objParent.value);
			}
			else if(objParent.id == "bzip" || objParent.id == "szip"){
				isValid=isValidZipcode(objParent.value);
			}
			/* 
			*** Start: Added for ticket # 294497 
			*/
			else if(objParent.id == "saddress"){
				isValid=isValidAddress(objParent.value);
			}
			else if(objParent.id == "saddress2"){
				isValid=isValidAddress(objParent.value);
			}
			/* 
			*** End: Ticket # 294497 
			*/
		}
		if(isValid)
			initElement(objParent);
		else
			getErrorInfo(objParent, errorMessages);
	});


	$(objParent).keyup(function() {
		$(objParent.parentNode).find(".errorMessage").css('display','inline').fadeIn(1000);
		var isValid=true;
		var tempObj = removeSpaces(objParent.value);
		if(tempObj == ''){
			/* 
			*** Start: Modified for ticket # 294497 
			*/
			if(objParent.id == "saddress2"){
				isValid=true;
			}
			else{
				isValid=false;
			}
			/* 
			*** End: Ticket # 294497 
			*/
		}else{
			if(objParent.id == "bemail")
				isValid=isValidEmailStrict(objParent.value);
			else if(objParent.id == "bphone")
				isValid=isValidUSPhoneNumber(objParent.value);
			else if(objParent.id == "bfax" || objParent.id == "sdayphone")
				isValid=isValidUSPhoneNumber(objParent.value);
			else if (objParent.id == "bzip" || objParent.id == "szip")
			{
				isValid=isValidZipcode(objParent.value);
			}
			/* 
			*** Start: Added for ticket # 294497 
			*/
			else if(objParent.id == "saddress"){
				isValid=isValidAddress(objParent.value);
			}
			else if(objParent.id == "saddress2"){
				isValid=isValidAddress(objParent.value);
			}
			/* 
			*** End: Ticket # 294497 
			*/
		}
		if(isValid)
			initElement(objParent);
		else
			getErrorInfo(objParent, errorMessages);
	});
   
}

function setDefaultFocus(formFieldElement){
	// This function is written to initialize the form fields,when the shipping/billing form is submitted.
	$(formFieldElement).focusin(function(){
		$(formFieldElement.parentNode).find(".errorMessage").css('display','none');
		
	});
	$(formFieldElement).focusout(function(){
		$(formFieldElement.parentNode).find(".errorMessage").css('display','none');
	
	});

	$(formFieldElement).keydown(function() {
		$(formFieldElement.parentNode).find(".errorMessage").css('display','none');
		if(formFieldElement.value != ''){
			 initElement(formFieldElement);
		}
	});
}

function initElement(formFieldElement){  
	// This function is written to clear the previous errors for the form fields and to initialize the fields
	//$(formFieldElement).css('background-color','transparent');
	$(formFieldElement).addClass('inputText');
	$(formFieldElement).removeClass('errorHighlight');
	$(formFieldElement.parentNode).find(".errorMessage").css('background-color','transparent');
	$(formFieldElement.parentNode).find(".errorMessage").css('border-style','none');
	$(formFieldElement.parentNode).find(".errorMessage").html('');
}