var gpath;
//gpath="\\cps\\main\\";
gpath="/";

	function SetArticletext(){
		var itd=document.getElementById("howtonone");
		var itdTarget=document.getElementById("howto");
		var StrHtml;
		//alert(itd.innerHTML);
		itdTarget.innerHTML=itd.innerHTML;
	}
	
	function validateAmount(iobj){
		numb=iobj.value;
		if(isNaN(numb)){
			alert("please enter a numeric value");  
			iobj.value="";
			iobj.focus();
			return false;
		}
	}

	function SetHidState(){
		if(document.frmCity.ddlState.options[document.frmCity.ddlState.selectedIndex].text!="Select"){
			document.frmCity.hidState.value=document.frmCity.ddlState.options[document.frmCity.ddlState.selectedIndex].text;
		}else{
			document.frmCity.hidState.value="";
		}
	}
	function SetHidCity(){
		if(document.frmCity.ddlCity.value!="0"){
			document.frmCity.hidCity.value=document.frmCity.ddlCity.options[document.frmCity.ddlCity.selectedIndex].text;
		}else{
			document.frmCity.hidCity.value="";
		}
		//alert(document.frmCity.ddlCity.value);
	}
        function emailCheck2() 
  	{
  	  		var emailPat=/^(.+)@(.+)$/
  	  	
  	  		var emailStr = document.frmCity.txtEmail.value;	
  	  	
  	  		if(emailStr.length > 1)
  	  			{  	  	
			var matchArray = emailStr.match(emailPat);
			if (matchArray == null) 
			{
				alert("Please Enter Correct Email Address"); 
				return false;
			}	
			else{
				return true;
			}  		
  		}
  	  	
    }  
	
   function checkform1(){
  	var i,j,bval,dateStr;
  	mandFieldName=new Array(9);
  	mandField=new Array(9);
	
	mandFieldName[0]="Cosmetic Surgery Type";
	//mandFieldName[1]="Age";
	mandFieldName[1]="Reason For the Surgery";
	mandFieldName[2]="How do you plan to pay?";
	mandFieldName[3]="State";
	mandFieldName[4]="City";
	mandFieldName[5]="Email";
	mandFieldName[6]="Name";
	mandFieldName[7]="Zip Code";
	mandFieldName[8]="Address"; 
	
	
	/*mandFieldName[7]="Home Area Code";
	mandFieldName[8]="Home Phone No.";
	mandFieldName[9]="Mobile Area Code";
	mandFieldName[10]="Mobile No.";
	mandFieldName[11]="Work Area Code";
	mandFieldName[12]="Work Phone No.";*/
	
	
	/*	
	txtMobileAreaCode
	txtMobilePhoneNo
	
	txtWorkAreaCode
	txtWorkPhoneNo
	*/
 
 	mandField[0]=document.frmCity.SurgeryType.value;
	//mandField[1]=document.frmCity.Age.value;
	mandField[1]=document.frmCity.SurgeryReason.value;
	mandField[2]=document.frmCity.PlantoPay.value;
	mandField[3]=document.frmCity.hidState.value;
	mandField[4]=document.frmCity.strCity.value;
	mandField[5]=document.frmCity.txtEmail.value;
	mandField[6]=document.frmCity.txtName.value;
	mandField[7]=document.frmCity.txtZipCode.value;
	mandField[8]=document.frmCity.txtAddress1.value;
	
	/*mandField[7]=document.frmCity.txtHomeAreaCode.value;
	mandField[8]=document.frmCity.txtHomePhoneNo.value;
	mandField[9]=document.frmCity.txtMobileAreaCode.value;
	mandField[10]=document.frmCity.txtMobilePhoneNo.value;
	mandField[11]=document.frmCity.txtWorkAreaCode.value;
	mandField[12]=document.frmCity.txtWorkPhoneNo.value;*/
	
	
  
 bval=true;
 
 for (i=0;i<8;i++){
		if (trim(mandField[i])==""){
			alert("Please fill " + mandFieldName[i] + " field.");
			bval=false
			break;
		}
	}
	if(bval){
		bval=emailCheck2();
	}
	if(bval){	
		
		varHomeSTDCode = document.frmCity.txtHomeSTDCode.value
		varHomeAreaCode = document.frmCity.txtHomeAreaCode.value
		varHomePhoneNo = document.frmCity.txtHomePhoneNo.value
		
		varMobileSTDCode = document.frmCity.txtMobileSTDCode.value
		varMobileAreaCode = document.frmCity.txtMobileAreaCode.value
		varMobilePhoneNo = document.frmCity.txtMobilePhoneNo.value
		
		varWorkSTDCode = document.frmCity.txtWorkSTDCode.value
		varWorkAreaCode = document.frmCity.txtWorkAreaCode.value
		varWorkPhoneNo = document.frmCity.txtWorkPhoneNo.value
		
		if(varHomeSTDCode=="" && varHomeAreaCode=="" && varHomePhoneNo==""){
			if(varMobileSTDCode=="" && varMobileAreaCode=="" && varMobilePhoneNo==""){
				if(varWorkSTDCode=="" && varWorkAreaCode=="" && varWorkPhoneNo==""){
					alert('Please fill at least one phone number');
					return false;
				}
				else
				{
					if(varWorkSTDCode=="" || varWorkAreaCode=="" || varWorkPhoneNo==""){
						alert('Please fill complete work phone number');
						return false;
					}
				}
			}
			else
			{
				if(varMobileSTDCode=="" || varMobileAreaCode=="" || varMobilePhoneNo==""){
					alert('Please fill complete mobile phone number');
					return false;
				}
				
					if(varWorkSTDCode=="" && varWorkAreaCode=="" && varWorkPhoneNo==""){
					bval = true
				}
				else
				{
					if(varWorkSTDCode=="" || varWorkAreaCode=="" || varWorkPhoneNo==""){
						alert('Please fill complete work phone number');
						return false;
					}
				}												
			}					
		}
		else{
			if(varHomeSTDCode=="" || varHomeAreaCode=="" || varHomePhoneNo==""){
				alert('Please fill complete home phone number');
				return false;
			}			
			if(varMobileSTDCode=="" && varMobileAreaCode=="" && varMobilePhoneNo==""){
				bval = true
			}
			else
			{
				if(varMobileSTDCode=="" || varMobileAreaCode=="" || varMobilePhoneNo==""){
					alert('Please fill complete mobile phone number');
					return false;
				}
			}
			if(varWorkSTDCode=="" && varWorkAreaCode=="" && varWorkPhoneNo==""){
				bval = true
			}
			else
			{
				if(varWorkSTDCode=="" || varWorkAreaCode=="" || varWorkPhoneNo==""){
					alert('Please fill complete work phone number');
					return false;
				}
			}			
		}
		
		
		
		
		//alert('Please fill at least one phone number');
		
		
		if(document.frmCity.ddlMonth.value=='0'){
			alert("Please Select month in Date of Birth.");
			bval=false;
		}
		if(document.frmCity.ddlDay.value=='0'){
			alert("Please Select day in Date of Birth.");
			bval=false;
		}
		if(document.frmCity.ddlYear.value=='0'){
			alert("Please Select year in Date of Birth.");
			bval=false;
		}
	    if(document.frmCity.ddlYear.value!='0' && document.frmCity.ddlDay.value!='0' && document.frmCity.ddlMonth.value!='0'){
			dateStr = document.frmCity.ddlMonth.value  + '/' + document.frmCity.ddlDay.value + '/' + document.frmCity.ddlYear.value;
			if (isDate(dateStr)==false){
				alert("Please Enter a valid Date of Birth.");
				bval=false;
			}
			else{
				document.frmCity.hidDOB.value = dateStr;
			}
			//alert(dateStr);
			//return false;
		}
	}
	return bval;
  }

function checkform2(){
  	
	var i,j,bval,dateStr;
  	mandFieldName=new Array(5);
  	mandField=new Array(5);
	
	mandFieldName[0]="Procedure Type";	
	mandFieldName[1]="Age";
	mandFieldName[2]="Zip Code";
	mandFieldName[3]="Name";
	mandFieldName[4]="Email";
 
 	mandField[0]=document.frmCity.SurgeryType.value;	
	mandField[1]=document.getElementById("fld2").value;
	mandField[2]=document.frmCity.txtZipCode.value;
	mandField[3]=document.frmCity.txtName.value;
	mandField[4]=document.frmCity.txtEmail.value;
  
 	bval=true;
 
 for (i=0;i<5;i++){
		if (trim(mandField[i])==""){
			alert("Please fill " + mandFieldName[i] + " field.");
			bval=false
			break;
		}
	}
	if(bval){
		bval=emailCheck2();
	}
	if(bval){
		bval=ZipCheck(document.frmCity.txtZipCode.value);	
	}
	var PhoneStr = '(' + document.frmCity.txtPhone1.value + ') ' + document.frmCity.txtPhone2.value + '-' + document.frmCity.txtPhone3.value;
				
		if(bval && PhoneStr=="() -"){
			alert("Please enter phone number");
			bval=false;
		}	
		if(bval){
			bval=PhoneCheck(PhoneStr);	
			if(bval){
				document.frmCity.txtPhoneNo.value= PhoneStr + ' ' + document.frmCity.txtPhoneExt.value;
			}else{
				document.frmCity.txtPhoneNo.value = "";
			}						
		}
	return bval;
  }

	function PhoneCheck(PhoneStr) {
		var PhonePat=/^\(\d\d\d\) \d\d\d-\d\d\d\d$/
		//var PhoneStr = '(' + document.DelInf.txtPhone1.value + ') ' + document.DelInf.txtPhone2.value + '-' + document.DelInf.txtPhone3.value;
		if(PhoneStr.length > 1)	{  	  	
			var matchArray = PhoneStr.match(PhonePat);
			if (matchArray == null) {
				alert("Please enter a phone number in the (xxx) xxx-xxxx format"); 
				return false;
			}	
			else{
				return true;
			}  
		}  	     		
	}



/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
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 isDate(dtStr){
	var daysInMonth = DaysArray(12)
	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 : mm/dd/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
}

function ValidateForm(){
	var dt=document.frmSample.txtDate
	if (isDate(dt.value)==false){
		dt.focus()
		return false
	}
    return true
 }

function getStrCity(iselect){
	document.frmCity.strCity.value=iselect.options[iselect.selectedIndex].text;
	//alert(document.frm.strCity.value);
}

function getStrState(iselect){	
	if(iselect.options[iselect.selectedIndex].value=='0'){		
		document.frmCity.hidState.value='';
	}
	else{
		document.frmCity.hidState.value=iselect.options[iselect.selectedIndex].text;
	}
	
	
	
	//alert(document.frm.strCity.value);
}
function changeCities(ddlcity,ddlstate)
		{	
			document.getElementById(ddlcity).length = 0;
			tmpopt=new Option('Select','0');
			document.getElementById(ddlcity).options[0]=tmpopt;
			
			for(i=0,j=1;i<arrCities.length;i++)
			{
				if(arrCities[i][0]==document.getElementById(ddlstate).value)
				{
					tmpopt=new Option(arrCities[i][2],arrCities[i][1]);
					document.getElementById(ddlcity).options[j]=tmpopt;
					j++;
				}
			}
		}

function checkIfReturn(e){
		var keynum;
		if(window.event) // IE
			{
			keynum = e.keyCode;
			}
		else if(e.which) // Netscape/Firefox/Opera
			{
			keynum = e.which;
			}
		//alert(keynum);
	   if(keynum==13)
	   	return false;
	   else
	    return true;
	}
	
	function redirectURL(){
		var zipCode;
		
		zipCode=document.frmFind.txtZipCodeTop.value;
		if(!isNaN(document.frmFind.txtZipCodeTop.value)){
			window.location.href=gpath + "doctor-search-result.asp?qf=topnav&travelmiles=40&procedure=none&zipcode=" + zipCode;
		}
		else{
			alert("Please enter numeric zip code.");
			document.frmFind.txtZipCodeTop.focus();
			return false;
		}
	}
	
	function trim(str, chars) {
    return ltrim(rtrim(str, chars), chars);
	}
	
	function ltrim(str, chars) {
		chars = chars || "\\s";
		return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
	}
	
	function rtrim(str, chars) {
		chars = chars || "\\s";
		return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
	}
	
	function ZipCheck(zipStr){
        var zipPat=/[0-9]{5}/; 		
	
		if(zipStr.length > 1)	{  	  	
		var matchArray = zipStr.match(zipPat);
			if (matchArray == null) {
				alert("Please enter valid 5 digit Zip Code"); 
				return false;
			}	
			else{
				return true;
			}  
  		}
    }
	
	function ValidateGetListForm(){
		var i,j,bval;
		
		mandFieldName=new Array(4);
		mandField=new Array(4);
		
		mandFieldName[0]="Practice Name";
		mandFieldName[1]="Doctor Name";
		mandFieldName[2]="Zip Code";
		mandFieldName[3]="Email";
	 
	 	mandField[0]=trim(document.frmSignup1.txtNameofPractice.value," ");
		mandField[1]=trim(document.frmSignup1.txtName.value," ");
		mandField[2]=trim(document.frmSignup1.txtZipCode.value," ");
		mandField[3]=trim(document.frmSignup1.txtEmailID.value," ");
		
		bval=true;
		 
		for(i=0;i<4;i++){ 
			if(mandField[i]==""){
				alert("Please Enter " + mandFieldName[i]);
				bval=false;
				break;
			}		
		}
		
		if(bval && document.frmSignup1.ddlState.value=="0"){
			alert("Please Select a State");
			bval=false;
		}
		
		if(bval){
			bval=ZipCheck(document.frmSignup1.txtZipCode.value)
		}
		
		if(bval){
			bval=emailCheck(document.frmSignup1.txtEmailID.value)
		}
		
		var PhoneStr = '(' + document.frmSignup1.txtPhone1.value + ') ' + document.frmSignup1.txtPhone2.value + '-' + document.frmSignup1.txtPhone3.value;
				
		if(bval && PhoneStr!="() -"){
			bval=PhoneCheck(PhoneStr);	
			if(bval){
				document.frmSignup1.txtPhone.value= PhoneStr + ' ' + document.frmSignup1.txtPhoneExt.value;
			}else{
				document.frmSignup1.txtPhone.value = "";
			}						
		}
		
		
		return bval;
	}
	
	function emailCheck(emailStr1) {
	var emailPat=/^[a-zA-Z0-9_\.\-]+@[a-zA-Z0-9\-]+\.[a-zA-Z0-9\-\.]+$/
	var matchArray;	
	matchArray = emailStr1.match(emailPat);
	if (matchArray == null)	{
		alert("Please Enter Correct Email Address"); 
		return false;
	}	
	else 
		return true;		
	}
	
	function SetPackageDetail(varPackName,varPackType){
		document.frmSignup3.txtPackageName.value=varPackName;
		document.frmSignup3.txtPackageType.value=varPackType;
	}
	
	
	var ccErrorNo = 0;
	var ccErrors = new Array ();
	
	ccErrors [0] = "Unknown card type";
	ccErrors [1] = "No card number provided";
	ccErrors [2] = "Credit card number is in invalid format";
	ccErrors [3] = "Credit card number is invalid";
	ccErrors [4] = "Credit card number has an inappropriate number of digits";
	
	function ValidateGetListPaymentForm(){
		
		var i,j,bval;
		
		mandFieldName=new Array(6);
		mandField=new Array(6);
		
		mandFieldName[0]="Card No";
		mandFieldName[1]="CVV Code";
		mandFieldName[2]="Name";
		mandFieldName[3]="Address";
		mandFieldName[4]="City";		
		mandFieldName[5]="Zip Code"; 	 	
	 
	 	mandField[0]=trim(document.frmPayment.txtCardNumber.value," ");
		mandField[1]=trim(document.frmPayment.txtCVVNumber.value," ");
		mandField[2]=trim(document.frmPayment.txtCardName.value," ");
		mandField[3]=trim(document.frmPayment.txtCardAddress.value," ");
		mandField[4]=trim(document.frmPayment.txtCardCity.value," ");		
		mandField[5]=trim(document.frmPayment.txtCardZip.value," ");
		
		bval=true;
		
		
		
		for(i=0;i<6;i++){ 
			if(mandField[i]==""){
				alert("Please Enter " + mandFieldName[i]);
				bval=false;
				break;
			}		
		}
		
		if(bval && document.frmPayment.ddlCardState.value=="0"){
			alert("Please Select a State");
			bval=false;
		}
		
		if(bval){
			bval=ZipCheck(document.frmPayment.txtCardZip.value)
		}
		
		myCardNo = document.frmPayment.txtCardNumber.value;
		
		varCreditCardType = document.frmPayment.ddlCardType.value;		
		
		switch(varCreditCardType){
			case "1":
				myCardType = "MasterCard";
				break;
			case "2":
				myCardType = "Visa";
				break;
			case "3":
				myCardType = "AmEx";
				break;
			case "4":
				myCardType = "Discover";
				break;
		}		
	
		if(bval){  		
			if (checkCreditCard (myCardNo,myCardType)) {
				bval=true;
			} 
			else {
				alert (ccErrors[ccErrorNo]);
				bval=false;
			}
  		}
		
		if(bval && isNaN(document.frmPayment.txtCVVNumber.value)){
			alert("Please enter valid card verification no"); 
			bval=false;
		}
		
		return bval;
	}
	
	
	/*============================================================================*/

	function checkCreditCard (cardnumber, cardname) {
	   //alert (cardnumber);
	   //alert (cardname)
		 // Array to hold the permitted card characteristics
	  var cards = new Array();
	
	  // Define the cards we support. You may add addtional card types.
	  
	  //  Name:      As in the selection box of the form - must be same as user's
	  //  Length:    List of possible valid lengths of the card number for the card
	  //  prefixes:  List of possible prefixes for the card
	  //  checkdigit Boolean to say whether there is a check digit
	  
	  cards [0] = {name: "Visa", 
				   length: "13,16", 
				   prefixes: "4",
				   checkdigit: true};
	  cards [1] = {name: "MasterCard", 
				   length: "16", 
				   prefixes: "51,52,53,54,55",
				   checkdigit: true};
	  cards [2] = {name: "DinersClub", 
				   length: "14,16", 
				   prefixes: "300,301,302,303,304,305,36,38,55",
				   checkdigit: true};
	  cards [3] = {name: "CarteBlanche", 
				   length: "14", 
				   prefixes: "300,301,302,303,304,305,36,38",
				   checkdigit: true};
	  cards [4] = {name: "AmEx", 
				   length: "15", 
				   prefixes: "34,37",
				   checkdigit: true};
	  cards [5] = {name: "Discover", 
				   length: "16", 
				   prefixes: "6011,650",
				   checkdigit: true};
	  cards [6] = {name: "JCB", 
				   length: "15,16", 
				   prefixes: "3,1800,2131",
				   checkdigit: true};
	  cards [7] = {name: "enRoute", 
				   length: "15", 
				   prefixes: "2014,2149",
				   checkdigit: true};
	  cards [8] = {name: "Solo", 
				   length: "16,18,19", 
				   prefixes: "6334, 6767",
				   checkdigit: true};
	  cards [9] = {name: "Switch", 
				   length: "16,18,19", 
				   prefixes: "4903,4905,4911,4936,564182,633110,6333,6759",
				   checkdigit: true};
	  cards [10] = {name: "Maestro", 
				   length: "16,18", 
				   prefixes: "5020,6",
				   checkdigit: true};
	  cards [11] = {name: "VisaElectron", 
				   length: "16", 
				   prefixes: "417500,4917,4913",
				   checkdigit: true};
				   
	  // Establish card type
	  var cardType = -1;
	  for (var i=0; i<cards.length; i++) {
	
		// See if it is this card (ignoring the case of the string)
		if (cardname.toLowerCase () == cards[i].name.toLowerCase()) {
		  cardType = i;
		  break;
		}
	  }
	  
	  // If card type not found, report an error
	  if (cardType == -1) {
		 ccErrorNo = 0;
		 return false; 
	  }
	   
	  // Ensure that the user has provided a credit card number
	  if (cardnumber.length == 0)  {
		 ccErrorNo = 1;
		 return false; 
	  }
		
	  // Now remove any spaces from the credit card number
	  cardnumber = cardnumber.replace (/\s/g, "");
	  
	  // Check that the number is numeric
	  var cardNo = cardnumber
	  var cardexp = /^[0-9]{13,19}$/;
	  if (!cardexp.exec(cardNo))  {
		 ccErrorNo = 2;
		 return false; 
	  }
		   
	  // Now check the modulus 10 check digit - if required
	  if (cards[cardType].checkdigit) {
		var checksum = 0;                                  // running checksum total
		var mychar = "";                                   // next char to process
		var j = 1;                                         // takes value of 1 or 2
	  
		// Process each digit one by one starting at the right
		var calc;
		for (i = cardNo.length - 1; i >= 0; i--) {
		
		  // Extract the next digit and multiply by 1 or 2 on alternative digits.
		  calc = Number(cardNo.charAt(i)) * j;
		
		  // If the result is in two digits add 1 to the checksum total
		  if (calc > 9) {
			checksum = checksum + 1;
			calc = calc - 10;
		  }
		
		  // Add the units element to the checksum total
		  checksum = checksum + calc;
		
		  // Switch the value of j
		  if (j ==1) {j = 2} else {j = 1};
		} 
	  
		// All done - if checksum is divisible by 10, it is a valid modulus 10.
		// If not, report an error.
		if (checksum % 10 != 0)  {
		 ccErrorNo = 3;
		 return false; 
		}
	  }  
	
	  // The following are the card-specific checks we undertake.
	  var LengthValid = false;
	  var PrefixValid = false; 
	  var undefined; 
	
	  // We use these for holding the valid lengths and prefixes of a card type
	  var prefix = new Array ();
	  var lengths = new Array ();
		
	  // Load an array with the valid prefixes for this card
	  prefix = cards[cardType].prefixes.split(",");
		  
	  // Now see if any of them match what we have in the card number
	  for (i=0; i<prefix.length; i++) {
		var exp = new RegExp ("^" + prefix[i]);
		if (exp.test (cardNo)) PrefixValid = true;
	  }
		  
	  // If it isn't a valid prefix there's no point at looking at the length
	  if (!PrefixValid) {
		 ccErrorNo = 3;
		 return false; 
	  }
		
	  // See if the length is valid for this card
	  lengths = cards[cardType].length.split(",");
	  for (j=0; j<lengths.length; j++) {
		if (cardNo.length == lengths[j]) LengthValid = true;
	  }
	  
	  // See if all is OK by seeing if the length was valid. We only check the 
	  // length if all else was hunky dory.
	  if (!LengthValid) {
		 ccErrorNo = 4;
		 return false; 
	  };   
	  
	  // The credit card is in the required format.
	  return true;
	}
	
	/*============================================================================*/