//Return trim
function trimString (str) {
  str = this != window? this : str;
  return str.replace(/^\s+/g, '').replace(/\s+$/g, '');
}

//Return true if string is empty
function isEmpty(s)
{   return ((s == null) || (s.length == 0))
}


// Returns true if character c is a letter
// (0 .. 9).
function isLetter (c)
{   return ( ((c >= "a") && (c <= "z")) || ((c >= "A") && (c <= "Z")) )
}


// Returns true if character c is a digit 
// (0 .. 9).
function isDigit (c)
{   return ((c >= "0") && (c <= "9"))
}

//Returns trun if s has whitespace
function isContainspace(s)
{
 if (s.indexOf(" ")!=-1) return true;
 else  return false;
 }

//Return true if s is a right postal code
function isRightpostalcode(s)
{  
	var c,x;


	x=s;
	 if (s.substr(3,1) == "-") 
	  {
       x = s.substr(0,3)+' '+s.substr(4,3);
	   } 
	  else if (s.substr(3,1) != " ") {
	   x = s.substr(0,3)+' '+s.substr(3,3);
	  }
	//return ((isLetter(x.substr(0,1))) && (isDigit(x.substr(1,1))) && (isLetter(x.substr(2,1))) && (isLetter(x.substr(4,1))) && (isDigit(x.substr(5,1))) && (isLetter(x.substr(6,1)))); 

	return ((isLetter(x.substr(0,1))) && (isDigit(x.substr(1,1))) && (isLetter(x.substr(2,1))) && (isDigit(x.substr(4,1))) && (isLetter(x.substr(5,1))) && (isDigit(x.substr(6,1)))); 
}




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


function getFormErrors(form) {
   var errors = new Array();
   
   // loop thru all form elements
   for (var elementIndex = 0; elementIndex < form.elements.length; elementIndex++) {
      var element = form.elements[elementIndex];
     
      // text and textarea types
      if (element.type == "text" || element.type == "textarea") {
         element.value = trimWhitespace(element.value)
         
         // required element
         if (element.required  && element.value == '') {
            errors[errors.length] = element.requiredError;
         }
         
         // maximum length
         else if (element.maxlength && isValidLength(element.value, 0, element.maxlength) == false) {
            errors[errors.length] = element.maxlengthError;
         }

         // minimum length
         else if (element.minlength && isValidLength(element.value, element.minlength, Number.MAX_VALUE) == false) {
            errors[errors.length] = element.minlengthError;
         }
         
         // pattern (credit card number, email address, zip or postal code, alphanumeric, numeric)
         else if (element.pattern) {
            if ( ( (element.pattern.toLowerCase() == 'visa' || element.pattern.toLowerCase() == 'mastercard' || element.pattern.toLowerCase() == 'american express' || element.pattern.toLowerCase() == 'diners club' || element.pattern.toLowerCase() == 'discover' || element.pattern.toLowerCase() == 'enroute' || element.pattern.toLowerCase() == 'jcb' || element.pattern.toLowerCase() == 'credit card') && isValidCreditCard(element.value, element.pattern) == false) ||
                  (element.pattern.toLowerCase() == 'email' && isValidEmailStrict(element.value) == false) ||
                  (element.pattern.toLowerCase() == 'zip or postal code' && isValidZipcode(element.value) == false && isValidPostalcode(element.value) == false) ||
                  (element.pattern.toLowerCase() == 'zipcode' && isValidZipcode(element.value) == false) ||
                  (element.pattern.toLowerCase() == 'postal code' && isValidPostalcode(element.value) == false) ||
                  (element.pattern.toLowerCase() == 'us phone number' && 
                     ( (element.prefix && element.suffix && isValidUSPhoneNumber(element.value, form[element.prefix].value, form[element.suffix].value) == false) || 
                        (!element.prefix && !element.suffix && isValidUSPhoneNumber(element.value) == false) ) ) ||
                  (element.pattern.toLowerCase() == 'alphanumeric' && isAlphanumeric(element.value, true) == false) ||
                  (element.pattern.toLowerCase() == 'numeric' && isNumeric(element.value, true) == false) ||
                  (element.pattern.toLowerCase() == 'alphabetic' && isAlphabetic(element.value, true) == false) ) {
               errors[errors.length] = element.patternError;
            }
         }
      }
      
      // password 
      else if (element.type == "password") {
         
         // required element
         if (element.required  && element.value == '') {
            errors[errors.length] = element.requiredError;
         }
         
         // maximum length
         else if (element.maxlength && isValidLength(element.value, 0, element.maxlength) == false) {
            errors[errors.length] = element.maxLengthError;
         }

         // minimum length
         else if (element.minlength && isValidLength(element.value, element.minlength, Number.MAX_VALUE) == false) {
            errors[errors.length] = element.minLengthError;
         }
      }
      
      // file upload
      if (element.type == "file") {
         
         // required element
         if (element.required  && element.value == '') {
            errors[errors.length] = element.requiredError;
         }
      }
      
      // select
      else if (element.type == "select-one" || element.type == "select-multiple" || element.type == "select") {

         // required element
         if (element.required && element.selectedIndex == -1) {
            errors[errors.length] = element.requiredError;
         }
         
		 // disallow empty value selection
         else if (element.disallowEmptyValue && element.options[element.selectedIndex].value == '') {
            errors[errors.length] = element.disallowEmptyValueError;
         }

      }
      
      // radio buttons
      else if (element.type == "radio") {
         var radiogroup = form.elements[element.name];
         
         // required element
         if (radiogroup.required && radiogroup.length) {
            var checkedRadioButton = -1;
            for (var radioIndex = 0; radioIndex < radiogroup.length; radioIndex++) {
               if (radiogroup[radioIndex].checked == true) {
                  checkedRadioButton = radioIndex;
                  break;
               }
            }
            if (checkedRadioButton == -1 && !radiogroup.tested) {
               errors[errors.length] = radiogroup.requiredError;
               radiogroup.tested = true;
            }
         }
         
         radiogroup = null;
      }
   }
   
	return errors;
}

// 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 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;
}

// 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 birthdate  is valid based using the yyyymmdd)
function isValidBirthdate(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];
	
		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 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 Focus(controlid)
{
   document.getElementById(controlid).focus(); 

}

function SetFocus(controlid)
  {
    
   
	if ((event.which && event.which == 13) || (event.keyCode && event.keyCode == 13))
		{document.getElementById(controlid).focus(); 
		 return false;
		}
	 else
		{return true;}
	
  }


  
//for enterkey to click the control button
function doEnterKey(controlid)
{	 if ((event.which && event.which == 13) || (event.keyCode && event.keyCode == 13))
		 {
		document.getElementById(controlid).click();
		return false;
		}
		else
		{
		return true;
		}



}



function checkrange(datavalue, minvalue, maxvalue)
{ if ((datavalue <= maxvalue) && (datavalue >= minvalue))
	return true;
  else
	return false;	


}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}



function IsValidDate(strDate,strSeparator) 
{

	var strDateArray;
	var strDay;
	var strMonth;
	var strYear;
	var intday;
	var intMonth;
	var intYear;
	var booFound = false;
	var err = 0;

	if (strDate.length < 1) 
	{
		return true;
	}

	if (strDate.indexOf(strSeparator) != -1) 
	{
		strDateArray = strDate.split(strSeparator);
		if (strDateArray.length != 3) 
			{
			err = 1;
			return false;
			}
		else 
		{	strMonth = strDateArray[0];
			strDay = strDateArray[1];
			strYear = strDateArray[2];
		}
		booFound = true;
	
	}
	if (booFound == false) 
	{
		if (strDate.length>5) 
		{	strMonth = strDate.substr(0, 2);
			strDay = strDate.substr(2, 2);
			strYear = strDate.substr(4);
		}
		else
			return false;
	}   
	
	if (strYear.length == 2) {
		strYear = '20' + strYear;
	}


	intday = parseInt(strDay, 10);
	if (isNumeric(intday,false)==false) {
		err = 2;
		return false;
	}
	intMonth = parseInt(strMonth, 10);

	if (isNumeric(intMonth,false) == false)
	{
		err = 3;
		return false;
	}

	intYear = parseInt(strYear, 10);
	if (isNumeric(intYear,false)== false) 
	{
			err = 4;
			return false;
	}
	if (intMonth>12 || intMonth<1)
	{
		err = 5;
		return false;
	}
	if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1))
	 {
		err = 6;
		return false;
	}
	if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1)) 
	{
		err = 7;
		return false;
	}
	if (intMonth == 2) 
	{
		if (intday < 1) 
		{
			err = 8;
			return false;
		}
		if (LeapYear(intYear) == true) 
		{
			if (intday > 29) 
			{
				err = 9;
				return false;
			}
		}
		else 
		{
			if (intday > 28) 
			{
				err = 10;
				return false;
			}
	}
	}
}

function LeapYear(intYear) 
{
	if (intYear % 100 == 0) 
		{
			if (intYear % 400 == 0) 
				 return true; 
		}
	else 
		{
			if (intYear % 4 == 0) 
			 return true; 
		}
	return false;
}



 function twoDateCompare(strDate,strDate1,strSeparator)
 
 
  {	/*return 1 is strdate>strdate1; return 2 strdate<=strDate1*/
	var strDateArray;
    var strDay;
	var strMonth;
	var strYear;
	var strDatez;
	var booFound = false;
	var err = 0;

	var strDateArray1;
    var strDay1;
	var strMonth1;
	var strYear1;
	var intday1;
	var intMonth1;
	var intYear1;
	var booFound1 = false;
	var err1 = 0;
	  var strDatez1;

	if (strDate.indexOf(strSeparator) != -1) 
	{
		strDateArray = strDate.split(strSeparator);
		strMonth = strDateArray[0];
		strDay = strDateArray[1];
		strYear = strDateArray[2];
		
		booFound = true;
	
	}
	if (booFound == false) 
	{
		if (strDate.length>5) 
		{	strMonth = strDate.substr(0, 2);
			strDay = strDate.substr(2, 2);
			strYear = strDate.substr(4);
		}
	
	}   
	
	

	/*intday = parseInt(strDay, 10);
	intMonth = parseInt(strMonth, 10);
	intYear = parseInt(strYear, 10);*/

	if (strDate1.indexOf(strSeparator) != -1) 
	{
		strDateArray1 = strDate1.split(strSeparator);
		strMonth1 = strDateArray1[0];
		strDay1 = strDateArray1[1];
		
		strYear1 = strDateArray1[2];
		
		booFound1 = true;
	
	}
	if (booFound1 == false) 
	{
		if (strDate1.length>5) 
		{	strMonth1 = strDate.substr(0, 2);
			strDay1 = strDate.substr(2, 2);
			strYear1 = strDate.substr(4);
		}
		
		  
		  
	}
	
	
	if (strMonth.length ==1 )
		strMonth = '0'+strMonth;
	if (strDay.length ==1 )
		strDay = '0'+strDay;
	if (strYear.length == 2) 
		strYear = '20' + strYear;
	strDatez = strYear + strMonth +strDay  ;
	if (strMonth1.length ==1 )
		strMonth1 = '0'+strMonth1;
	if (strDay1.length ==1 )
		strDay1 = '0'+strDay;
	if (strYear1.length == 2)
		strYear1 = '20' + strYear;
		strDatez1 = strYear1 + strMonth1 +strDay1;	
	 if (strDatez > strDatez1)
	
			return 1;
	
	 else
	 
		return 2;		
	

	}
 
/// <summary>

/// Launches the DatePicker page in a popup window, 
/// passing a JavaScript reference to the field that we want to set.

/// </summary>

/// <param name="strField">String. The JavaScript reference to the field that we want to set, 

/// in the format: FormName.FieldName 

/// Please note that JavaScript is case-sensitive.</param>