var sa = new Array('222','333','444', '555', '666', '777', '888', '999');

	

function getSelectedRadio(buttonGroup) {

   // returns the array number of the selected radio button or -1 if no button is selected

   if (buttonGroup[0]) { // if the button group is an array (one button is not an array)

      for (var i=0; i<buttonGroup.length; i++) {

         if (buttonGroup[i].checked) {

            return i;

         }

      }

   } else {

      if (buttonGroup.checked) { return 0; } // if the one button is checked, return zero

   }

   // if we get to this point, no radio button is selected

   return -1;

} // Ends the "getSelectedRadio" function



function getSelectedRadioValue(buttonGroup) {

   // returns the value of the selected radio button or "" if no button is selected

   var i = getSelectedRadio(buttonGroup);

   if (i == -1) {

      return "";

   } else {

      if (buttonGroup[i]) { // Make sure the button group is an array (not just one button)

         return buttonGroup[i].value;

      } else { // The button group is just the one button, and it is checked

         return buttonGroup.value;

      }

   }

} // Ends the "getSelectedRadioValue" function









function isNumber(num, digits) {

	var reg = "^[0-9]{" + digits + "}$";

	if (digits !=0 ) {

		if (!num.match(reg)) {

			return false;

		}

	} else if ( !num.match("^[0-9]*$")) {

		return false;

	}

	return true;

}



function isNumberExtraChars(num, extraChars) {

	var reg = "^[0-9" + extraChars + "]+$";

	

	if (!num.match(reg)) {

		return false;

	}

	

	return true;

}





function validateAreaCode(areaCode) {

	

	if ( areaCode.match("^[01]{1}") || !areaCode.match("^[0-9]{3}$")) {

		return false;

	}

	

	//Test 3 digit codes against areacode

	for (i=0; i<sa.length; i++) {

		

		if (areaCode == sa[i] ) {

			return false;

		}

	}

	return true;



}



function validateExt(ext) {

	

	if ( ext.match("^[01]{1}") || !ext.match("^[0-9]{3}$")) {

		return false;

	}

	

	//Test 3 digit codes against areacode

	/*for (i=0; i<sa.length; i++) {

		

		if (ext == sa[i] ) {

			return false;

		}

	}*/

	

	return true;

	



}



function validatePhone(phoneNo) {



	if ( phoneNo.length != 10 && phoneNo.length != 12) {

	

		return false;

	} else {

		if (phoneNo.length == 10 && phoneNo.match("^[0-9]{10}$")) {

			

			var areaCode = phoneNo.substring(0,3);

			var ext = phoneNo.substring(3,6);

			if (!(validateAreaCode(areaCode) && validateExt(ext))){

				return false;

			}

			

		} else if (phoneNo.length == 12 && phoneNo.match("^[0-9]{3}[-]{1}[0-9]{3}[-]{1}[0-9]{4}$")) {

			

			var areaCode = phoneNo.substring(0,3);

			var ext = phoneNo.substring(4,7);

			

			if (!(validateAreaCode(areaCode) && validateExt(ext))){

				return false;

			}

		} else {

			return false;

		}	

	}

	

	return true;

}







function validateZipCode(zipCode) {

	if (!zipCode.match("^[0-9]{5}$")) {

		return false;

	} 

	return true;

	

}



function validateEmail(email) {

		validRegExp = /^[^@][A-Za-z0-9\$\._-]+@[A-Za-z0-9-]+[\.]{1}[A-Za-z0-9\.-]+[A-Za-z]$/i;

 

   		// search email text for regular exp matches

    	if (email.search(validRegExp) == -1) 

   		{     

      		return false;

    	} 

    	return true;

}





function validateDate(valDate) {

		

   		// search email text for regular exp matches

    	if (!valDate.match("^[0-9]{1,2}[/-]{1}[0-9]{1,2}[/-]{1}[0-9]{4}$")) {   		

      		return false;

    	} 

    	return true;



}

/*

function calculateAge(birthDate) {



var age = 0;

if (birthDate.match("^[0-9]{1,2}[/-]{1}[0-9]{1,2}[/-]{1}[0-9]{4}$")) {

	if (birthDate.match("^[0-9]{1,2}[/]{1}[0-9]{1,2}[/]{1}[0-9]{4}$")) {

		var bdateArray = birthDate.split("/");

	} else {

		var bdateArray = birthDate.split("-");

	}



	today=new Date();

	var pastdate=new Date(bdateArray[2], bdateArray[0]-1, bdateArray[1]);



	yearspast=today.getFullYear()-yr-1;

	tail=(today.getMonth()>mon-1 || today.getMonth()==mon-1 && today.getDate()>=day)? 1 : 0;

	pastdate.setFullYear(today.getFullYear());

	pastdate2=new Date(today.getFullYear()-1, mon-1, day);

	tail=(tail==1)? tail+Math.floor((today.getTime()-pastdate.getTime())/(finalunit)*decimals)/decimals : Math.floor((today.getTime()-pastdate2.getTime())/(finalunit)*decimals)/decimals;

	age = yearspast;

	//document.write(yearspast+tail+" "+countunit)

} else {

	return false;

}



return age;



}

*/





function getMonthLength(month,year,julianFlag)

{

   var ml;

   if(month==1 || month==3 || month==5 || month==7 || month==8 || month==10||month==12)

      {ml = 31;}

   else {

       if(month==2) {

          ml = 28;

          if(!(year%4) && (julianFlag==1 || year%100 || !(year%400)))

             ml++;

       }

       else

          {ml = 30;}

   }

   return ml;    

}





function calculateAge(birthDate) {



var age = 0;

if (birthDate.match("^[0-9]{1,2}[/-]{1}[0-9]{1,2}[/-]{1}[0-9]{4}$")) {

	if (birthDate.match("^[0-9]{1,2}[/]{1}[0-9]{1,2}[/]{1}[0-9]{4}$")) {

		var bdateArray = birthDate.split("/");

	} else {

		var bdateArray = birthDate.split("-");

	}

	

	today=new Date();

	

MNames=new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep",

      "Oct","Nov","Dec");



   

   var yd = today.getFullYear();

   var md = today.getMonth();

   var dd = today.getDate();



   var yb = bdateArray[2];

   var mb = bdateArray[0]-1;

   var db = bdateArray[1];

   

   // Month length 0->use calendar length

 /*  var mLength =parseInt(

      form.monthLength.options[form.monthLength.selectedIndex].value);

   // 0 if Gregorian, 1 is Julian

   var isJulian =

      form.isJulian.options[form.isJulian.selectedIndex].value;*/

mLength=0;

isJulian = 0;

   

   var ma=0;

   var ya=0;



   var da = dd-db;

   

   // This is the all-important day borrowing code.

   if(da<0)

   {

      md--;

      // Borrow months from the year if necesssary.

      if(md<1)

      {

	 yd--;

	 // Determine no. of months in year

	 if(mLength)

	    {md=md+parseInt(365/mLength);}

	 else

	    {md=md+12;}

      }

      if(mLength==0) // Use real month length if no fixed

      {              // length is indicated - note that we add a leap day if necessary.

         ml=getMonthLength(md,yd,isJulian);

	 da=da+ml;

      } 

      // For this case, everything works like it did in elementary school.

      else

	 {da+=mLength;} // Use fixed month length

   }



   ma = md - mb;

  

   // Month borrowing code - borrows months from years.

   if(ma<0)

   {

      yd--;

      if(mLength!=0)

	 {ma=ma+parseInt(365/mLength);}

      else

	 {ma=ma+12;}

   }



   ya = yd - yb;



   return ya;

   //form.da.value = da;



//   form.ma.value = ma;



  // form.ya.value = ya;



	}

	 else {

		return false;

	}

	}

	

	

function validateSocialSecurity(ss) {



	if (ss.length == 9 || ss.length == 11) {

		if (ss.length == 9 && !ss.match("^[0-9]{9}$")) {

			return false;

		} else if (ss.length == 11 && !ss.match("^[0-9]{3}[-]{1}[0-9]{2}[-]{1}[0-9]{4}$")) {

			return false;

		}

	} else {

		return false;

	}

	return true;



}







function validateCreditCard(cardType, cardNumber)

{

	var cdReg="^\\d{15,16}$";
	//alert("before == " + cardNumber);
	var cardNumber = cardNumber.replace(/[^0-9]/g,'');
	//alert("after == " + cardNumber);

	if ( !cardNumber.match(cdReg) )

	{

		//alert ("Error in Card number");

		return false;

	}



	var ckCdLen = cardNumber.length;

	//var cardType = "";

	//var ckCdS = cardNumber.substr(0,1);

		

	if (cardType.toLowerCase() == "visa" && !(isVisa(cardNumber))) {

		//alert('visa invalid');

		return false;

	}

	

	if ((cardType.toLowerCase() == "master") && !(isMasterCard(cardNumber))) {

		//alert('master invalid');

		return false;

	} 

			

	if ( ( cardType.toLowerCase() == "amex" ) && !(isAmericanExpress(cardNumber))) {

		//alert('amex invalid');

		return false;

	}

	

	if ((cardType.toLowerCase() == "discover") && !(isDiscover(cardNumber))) {

		//alert('discover invalid');

		return false;

	}

	

	

	/*

	if ((ckCdLen == "15") && (ckCdS == "3"))

		{cardType = "Amex";}

	if ((ckCdLen == "16") && (ckCdS == "4"))

		{cardType = "Visa";}

	if ((ckCdLen == "16")  && (ckCdS == "5"))

		{cardType = "Master";}

	if ((ckCdLen == "16") && (ckCdS == "6"))

		{cardType = "Discover";}

	*/

	

	var cdN1 = new Number;

	var cdN2 = new Number;



	for (i = 0; i < ckCdLen; i ++)

	{

		if (i % 2 != 0 ) {

			cdN1 = eval(cardNumber.substr(i,1)); 

		}



		if (i % 2 == 0) {

			cdN1 = eval(cardNumber.substr(i,1)) * 2;

		}



		if (cdN1 > 9 ) {

			cdN2 += cdN1 - 9;

		} else {

				cdN2 += cdN1;

			

		}



	}



	mod10 = cdN2 % 10;

	

	if (mod10 == 0){ 

		return true;

	} else {

		return false;

	}



	//alert(cdN2)

	//alert('card type = ' + cardType + '\ncard number =  ' + cardNumber +    '\nmod10

//ckeck= ' + mod10 );



}











function validateCreditCardOld(cardType, cardNumber) {

	

	if ((cardType.toLowerCase() == "visa") && (!isVisa(cardNumber))) {

		return false;

	}

	if ((cardType.toLowerCase() == "mastercard") && (!isMasterCard(cardNumber))) {

		return false;

	} 

	if ( ( (cardType.toLowerCase() == "amex") || (cardType.toLowerCase() == "american express") ) && (!isAmericanExpress(cardNumber))) {

		return false;

	}

	

	if ((cardType.toLowerCase() == "discover") && (!isDiscover(cardNumber))) {

		return false;

	}

	//if ((cardType.toLowerCase() == "diner's club" || cardType.toLowerCase == "carteblanche") && (!isDinersClub(cardNumber)))

		//doesMatch = false;

	return true;

	

}









/// ***********   Following functions are called by credit card validation function ****************/



function isVisa(cc)

{

  if (((cc.length == 16) || (cc.length == 13)) &&

      (cc.substring(0,1) == 4)) {  

      return true;     

      } else {

     

  return false;

      }

}  // END FUNCTION isVisa()







function isMasterCard(cc){

  firstdig = cc.substring(0,1);

  seconddig = cc.substring(1,2);

  if ((cc.length == 16) && (firstdig == 5) &&

      ((seconddig >= 1) && (seconddig <= 5))){

      

    return true;

      } else {

      

  	return false;

      }

} // END FUNCTION isMasterCard()







function isAmericanExpress(cc)

{



  firstdig = cc.substring(0,1);

  seconddig = cc.substring(1,2);

  if ((cc.length == 15) && (firstdig == 3) && (seconddig == 4 || seconddig == 7) ) {

     

    return true;

      } else {

    

  	return false;

      }

} // END FUNCTION isAmericanExpress()



function isDinersClub(cc)

{

  firstdig = cc.substring(0,1);

  seconddig = cc.substring(1,2);

  if ((cc.length == 14) && (firstdig == 3) &&

      ((seconddig == 0) || (seconddig == 6) || (seconddig == 8)))

    return true;

  return false;

}



function isDiscover(cc)

{

  first4digs = cc.substring(0,4);

  if ((cc.length == 16) && (first4digs == "6011"))

    return true;

 return false;



} // END FUNCTION isDiscover()









////////////////////// check date validation



var minYear=1900;

var maxYear=2100;



function isInteger(s){

	var i;

    for (i = 0; i < s.length; i++){   

        // Check that current character is number.

        var c = s.charAt(i);

        if (((c < "0") || (c > "9"))) return false;

    }

    // All characters are numbers.

    return true;

}



function stripCharsInBag(s, bag){

	var i;

    var returnString = "";

    // Search through string's characters one by one.

    // If character is not in bag, append to returnString.

    for (i = 0; i < s.length; i++){   

        var c = s.charAt(i);

        if (bag.indexOf(c) == -1) returnString += c;

    }

    return returnString;

}



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 DaysArray(n) {

	for (var i = 1; i <= n; i++) {

		this[i] = 31

		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}

		if (i==2) {this[i] = 29}

   } 

   return this

}



function isValidDate(dtStr){

	var daysInMonth = DaysArray(12)

	

	if (dtStr.indexOf('/')>=0) {

		var dtCh= "/";

	} else if (dtStr.indexOf('-')>=0) {

		var dtCh= "-";

	} else {

		return false;

	}

	

	var pos1=dtStr.indexOf(dtCh)

	var pos2=dtStr.indexOf(dtCh,pos1+1)

	var strMonth=dtStr.substring(0,pos1)

	var strDay=dtStr.substring(pos1+1,pos2)

	var strYear=dtStr.substring(pos2+1)

	strYr=strYear

	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)

	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)

	for (var i = 1; i <= 3; i++) {

		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)

	}

	month=parseInt(strMonth)

	day=parseInt(strDay)

	year=parseInt(strYr)

	if (pos1==-1 || pos2==-1){

		//alert("The date format should be : dd/mm/yyyy")

		return false

	}

	if (strMonth.length<1 || month<1 || month>12){

		//alert("Please enter a valid month")

		return false

	}

	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){

		//alert("Please enter a valid day")

		return false

	}

	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){

		//alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)

		return false

	}

	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){

		//alert("Please enter a valid date")

		return false

	}

return true

}



//////////////////// end date validation