var targetField, curError, curError2;

function registersubmit() { document.registerform.submit(); }
function whoissubmit() {
 document.whoisform.submit(); }

// window.open("","whoiswindow","height=350,width=550,screenX=25,left=25,screenY=25,top=25,channelmode=0,dependent=0,directories=0,fullscreen=0,location=0,menubar=0,resizable=1,scrollbars=1,status=0,toolbar=0"); //

function setBillingInfo(){
 var theForm = document.registerForm;
 theForm.billing_first_name.value = theForm.owner_first_name.value;
 theForm.billing_last_name.value = theForm.owner_last_name.value;
 theForm.billing_org_name.value = theForm.owner_org_name.value;
 theForm.billing_address1.value = theForm.owner_address1.value;
 theForm.billing_address2.value = theForm.owner_address2.value;
 theForm.billing_address3.value = theForm.owner_address3.value;
 theForm.billing_city.value = theForm.owner_city.value;
 theForm.billing_state.value = theForm.owner_state.value;
 theForm.billing_country.options[theForm.owner_country.selectedIndex].selected = true;
 theForm.billing_postal_code.value = theForm.owner_postal_code.value;
 theForm.billing_phone.value = theForm.owner_phone.value;
 theForm.billing_fax.value = theForm.owner_fax.value;
 theForm.billing_email.value = theForm.owner_email.value;
}

function validate_email(targetField,fieldName) {
 curError = 0;
 var theText = fieldName;
 if (
targetField.value.indexOf('@',0)==-1 ||
targetField.value.indexOf('@',0)== 0 ||
targetField.value.indexOf('.',0)==-1) {
curError = 1;
alert("Invalid "+fieldName+" Address. Email address is required and must be in correct format.");
targetField.select();
targetField.focus();
curError = 1;
 }
 else { curError = 0;
        theText = ""; }
 }

function validate_phone(targetField,fieldName) {
 curError = 0;
 var theText = fieldName;
var str = targetField.value;
var reg = /^[0-9]{3}(\-)\d{3}\1[0-9]{4}$/;
if (!reg.test(str)) {
curError = 1;
alert("Invalid "+fieldName+".");
targetField.select();
targetField.focus();
return false; }
else {
 theText = "";
 return false; } }


function allCaps(txtVar) { txtVar.value = txtVar.value.toUpperCase(); }

function validate_postalcode(targetField,fieldName) {
 curError = 0;
 var theText = fieldName;
var str = targetField.value;
if (document.registerForm.owner_country[document.registerForm.owner_country.selectedIndex].value == 'CA') {
var reg = /^[A-Za-z][0-9][A-Za-z] [0-9][A-Za-z][0-9]$/;
var reg2 = /^[A-Za-z][0-9][A-Za-z][0-9][A-Za-z][0-9]$/; }
else if (document.registerForm.owner_country[document.registerForm.owner_country.selectedIndex].value == 'US') {
var reg = /^[0-9][0-9][0-9][0-9][0-9]$/; 
var reg2 = /^[0-9][0-9][0-9][0-9][0-9]\-[0-9][0-9][0-9][0-9]$/;}
else {theText = "";
 return false; }
if (!reg.test(str)) { if (!reg2.test(str)) {
curError = 1;
alert("Invalid "+fieldName+".");
targetField.select();
targetField.focus(); 
return false; }
targetField.value = targetField.value.substring(0,3)+" "+targetField.value.substring(3,6); }
else {
 theText = "";
 return false; } }

function stripSpaces(targetField) {
var str = targetField.value;
var newString = str.replace(/ /g,"");
newString = newString.replace(/-/g,"");
targetField.value = newString;
}

function validate_textfield(targetField,fieldName)
 {
   curError = 0;
   var theText = fieldName;
   var str = targetField.value;
   var GoodChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwzyz,.- ";
   var valid = 1;
   var i = 0;
   var badChars = "";
   if (str.length < 1)
    { curError = 1;
      alert(fieldName+" is required.");
      targetField.select();
      targetField.focus();
      return false;
    }
   if (str.length > 0)
    { for (i =0; i <= str.length -1; i++)
       { if (GoodChars.indexOf(str.charAt(i)) == -1)
          { badChars = badChars + str.charAt(i);
            valid = 0;
          }
       }
      if (!valid)
       { curError = 1;
         alert("These characters: "+badChars+" are not allowed in "+fieldName+".");
	 targetField.select();
         targetField.focus();
	 return false;
       }
     else { curError = 0;
	    theText = ""; }
    }
     else { curError = 0;
            theText = ""; }
 }

function validate_textfield2(targetField,fieldName)
 {
   curError = 0;
   var theText = fieldName;
   var str = targetField.value;
   var GoodChars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwzyz,.- ";
   var valid = 1;
   var i = 0;
   var badChars = "";
   if (str.length < 1)
    { curError = 1;
      alert(fieldName+" is required.");
      targetField.select();
      targetField.focus();
      return false;
    }
   if (str.length > 0)
    { for (i =0; i <= str.length -1; i++)
       { if (GoodChars.indexOf(str.charAt(i)) == -1)
          { badChars = badChars + str.charAt(i);
            valid = 0;
          }
       }
      if (!valid)
       { curError = 1;
         alert("These characters: "+badChars+" are not allowed in "+fieldName+".");
	 targetField.select();
         targetField.focus();
	 return false;
       }
     else { curError = 0;
	    theText = ""; }
    }
     else { curError = 0;
            theText = ""; }
 }

function OpenCertDetails() { thewindow = window.open('https://www.thawte.com/cgi/server/certdetails.exe?code=CAREDW1', 'anew', config='height=400,width=450,toolbar=no,menubar=no,scrollbars=yes,resizable=no,location=no,directories=no,status=yes'); }


function loadImages() {
if (document.getElementById) {  // DOM3 = IE5, NS6
document.getElementById('hidepage').style.visibility = 'hidden'; }
else {
if (document.layers) {  // Netscape 4
document.hidepage.visibility = 'hidden'; }
else {  // IE 4
document.all.hidepage.style.visibility = 'hidden'; } } }

function helpWindow(){
popup = window.open("/help/","","height=350,width=400,scrollbars=yes"); }



var Cards = new makeArray(8);
 Cards[0] = new CardType("Mastercard", "51,52,53,54,55", "16"); var Mastercard = Cards[0];
 Cards[1] = new CardType("Visa", "4", "13,16"); var Visa = Cards[1];
 Cards[2] = new CardType("American Express", "34,37", "15"); var AmExCard = Cards[2];
 Cards[3] = new CardType("Diners Club/Carte Blanche", "30,36,38", "14"); var DinersClubCard = Cards[3];
 Cards[4] = new CardType("Discover Card", "6011", "16"); var DiscoverCard = Cards[4];
 Cards[5] = new CardType("enRoute Card", "2014,2149", "15"); var enRouteCard = Cards[5];
 Cards[6] = new CardType("JCB Card", "3088,3096,3112,3158,3337,3528", "16"); var JCBCard = Cards[6];
 var LuhnCheckSum = Cards[7] = new CardType();

/*************************************************************************\
  CheckCardNumber(form)
\*************************************************************************/
function CheckCardNumber(form) {
  var tmpyear;
  if (form.CardNumber.value.length == 0) {
    alert("Please key in Card Number.");
    form.CardNumber.focus();
    return false;
  }
//  if (form.ExpYear.value.length == 0) {
//    alert("Please key in Expiry Year.");
//    return false;
//    form.ExpYear.focus();
//  }
//  if (form.ExpYear.value > 96)
//    tmpyear = "19" + form.ExpYear.value;
//  else if (form.ExpYear.value < 21)
//    tmpyear = "20" + form.ExpYear.value;
//  else {
//    alert("bad year");
//    return false;
//  }
  tmpyear = form.ExpYear.options[form.ExpYear.selectedIndex].value;
  tmpmonth = form.ExpMon.options[form.ExpMon.selectedIndex].value;
  if (!(new CardType()).isExpiryDate(tmpyear, tmpmonth)) {
    alert("Expiry date passed already.");
    return false;
  }
  card = form.CardType.options[form.CardType.selectedIndex].value;
  var retval = eval(card + ".checkCardNumber(\"" + form.CardNumber.value +
        "\", " + tmpyear + ", " + tmpmonth + ");");

  cardname = "";
  if (retval)
    // The cardnumber has the valid luhn checksum and matches the
    // cardtype's rule.
//    alert("correct");
      form.submit();
//      return true;
  else {
    // The cardnumber has the valid luhn checksum, but we want to know which
    // cardtype it belongs to.
    for (var n = 0; n < Cards.size; n++) {
      if (Cards[n].checkCardNumber(form.CardNumber.value, tmpyear, tmpmonth)) {
        cardname = Cards[n].getCardType();
        break;
      }
    }
    if (cardname.length > 0) {
      alert("This is a " + cardname + " number, not " + card + " number.");
    }
    else {
      alert("This is not a valid card number.");
      return false;
    }
  }
}

/*************************************************************************\
   Object CardType([String cardtype, String rules, String len, int year, 
                                        int month])
    cardtype    : type of card, eg: MasterCard, Visa, etc.
    rules       : rules of the cardnumber, eg: "4", "6011", "34,37".
    len         : valid length of cardnumber, eg: "16,19", "13,16".
    year        : year of expiry date.
    month       : month of expiry date.
    eg:
    var VisaCard = new CardType("Visa", "4", "16");
    var AmExCard = new CardType("AmEx", "34,37", "15");
\*************************************************************************/
function CardType() {
  var n;
  var argv = CardType.arguments;
  var argc = CardType.arguments.length;

  this.objname = "object CardType";

  var tmpcardtype = (argc > 0) ? argv[0] : "CardObject";
  var tmprules = (argc > 1) ? argv[1] : "0,1,2,3,4,5,6,7,8,9";
  var tmplen = (argc > 2) ? argv[2] : "13,14,15,16,19";

  // set CardNumber method.
  this.setCardNumber = setCardNumber;

  // setCardType method.
  this.setCardType = setCardType;

  // setLen method.
  this.setLen = setLen;

  // setRules method.
  this.setRules = setRules;

  // setExpiryDate method.
  this.setExpiryDate = setExpiryDate;

  this.setCardType(tmpcardtype);
  this.setLen(tmplen);
  this.setRules(tmprules);
  if (argc > 4)
    this.setExpiryDate(argv[3], argv[4]);

  // checkCardNumber method.
  this.checkCardNumber = checkCardNumber;

  // getExpiryDate method.
  this.getExpiryDate = getExpiryDate;

  // getCardType method.
  this.getCardType = getCardType;

  // isCardNumber method.
  this.isCardNumber = isCardNumber;

  // isExpiryDate method.
  this.isExpiryDate = isExpiryDate;

  // luhnCheck method.
  this.luhnCheck = luhnCheck;

  return this;
}

/*************************************************************************\
   boolean checkCardNumber([String cardnumber, int year, int month])
   return true if cardnumber pass the luhncheck and the expiry date is
   valid, else return false.
\*************************************************************************/
function checkCardNumber() {
  var argv = checkCardNumber.arguments;
  var argc = checkCardNumber.arguments.length;
  var cardnumber = (argc > 0) ? argv[0] : this.cardnumber;
  var year = (argc > 1) ? argv[1] : this.year;
  var month = (argc > 2) ? argv[2] : this.month;

  this.setCardNumber(cardnumber);
  this.setExpiryDate(year, month);

  if (!this.isCardNumber())
    return false;

  if (!this.isExpiryDate())
    return false;

  return true;
}

/*************************************************************************\
   String getCardType()
   return the cardtype.
\*************************************************************************/
function getCardType() {
  return this.cardtype;
}

/*************************************************************************\
   String getExpiryDate()
   return the expiry date.
\*************************************************************************/
function getExpiryDate() {
  return this.month + "/" + this.year;
}

/*************************************************************************\
   boolean isCardNumber([String cardnumber])
   return true if cardnumber pass the luhncheck and the rules, else return
   false.
\*************************************************************************/
function isCardNumber() {
  var argv = isCardNumber.arguments;
  var argc = isCardNumber.arguments.length;
  var cardnumber = (argc > 0) ? argv[0] : this.cardnumber;

  if (!this.luhnCheck())
    return false;

  for (var n = 0; n < this.len.size; n++)
    if (cardnumber.toString().length == this.len[n]) {
      for (var m = 0; m < this.rules.size; m++) {
        var headdigit = cardnumber.substring(0, this.rules[m].toString().length);
        if (headdigit == this.rules[m])
          return true;
      }
      return false;
    }

  return false;
}

/*************************************************************************\
  boolean isExpiryDate([int year, int month])
  return true if the date is a valid expiry date,
  else return false.
\*************************************************************************/
function isExpiryDate() {
  var argv = isExpiryDate.arguments;
  var argc = isExpiryDate.arguments.length;

  year = argc > 0 ? argv[0] : this.year;
  month = argc > 1 ? argv[1] : this.month;

  if (!isNum(year+""))
    return false;
  if (!isNum(month+""))
    return false;
  today = new Date();
  expiry = new Date(year, month);
  if (today.getTime() > expiry.getTime())
    return false;
  else
    return true;
}

/*************************************************************************\
  boolean isNum(String argvalue)
  return true if argvalue contains only numeric characters,
  else return false.
\*************************************************************************/
function isNum(argvalue) {
  argvalue = argvalue.toString();

  if (argvalue.length == 0)
    return false;

  for (var n = 0; n < argvalue.length; n++)
    if (argvalue.substring(n, n+1) < "0" || argvalue.substring(n, n+1) > "9")
      return false;

  return true;
}

/*************************************************************************\
  boolean luhnCheck([String CardNumber])
  return true if CardNumber pass the luhn check else return false.
  Reference: http://www.ling.nwu.edu/~sburke/pub/luhn_lib.pl
\*************************************************************************/
function luhnCheck() {
  var argv = luhnCheck.arguments;
  var argc = luhnCheck.arguments.length;

  var CardNumber = argc > 0 ? argv[0] : this.cardnumber;

  if (! isNum(CardNumber)) {
    return false;
  }

  var no_digit = CardNumber.length;
  var oddoeven = no_digit & 1;
  var sum = 0;

  for (var count = 0; count < no_digit; count++) {
    var digit = parseInt(CardNumber.charAt(count));
    if (!((count & 1) ^ oddoeven)) {
      digit *= 2;
      if (digit > 9)
        digit -= 9;
    }
    sum += digit;
  }
  if (sum % 10 == 0)
    return true;
  else
    return false;
}

/*************************************************************************\
  ArrayObject makeArray(int size)
  return the array object in the size specified.
\*************************************************************************/
function makeArray(size) {
  this.size = size;
  return this;
}

/*************************************************************************\
   CardType setCardNumber(cardnumber)
   return the CardType object.
\*************************************************************************/
function setCardNumber(cardnumber) {
  this.cardnumber = cardnumber;

  return this;
}

/*************************************************************************\
   CardType setCardType(cardtype)
   return the CardType object.
\*************************************************************************/
function setCardType(cardtype) {
  this.cardtype = cardtype;

  return this;
}

/*************************************************************************\
   CardType setExpiryDate(year, month)
   return the CardType object.
\*************************************************************************/
function setExpiryDate(year, month) {
  this.year = year;
  this.month = month;

  return this;
}

/*************************************************************************\
   CardType setLen(len)
   return the CardType object.
\*************************************************************************/
function setLen(len) {
  // Create the len array.
  if (len.length == 0 || len == null)
    len = "13,14,15,16,19";

  var tmplen = len;
  n = 1;
  while (tmplen.indexOf(",") != -1) {
    tmplen = tmplen.substring(tmplen.indexOf(",") + 1, tmplen.length);
    n++;
  }
  this.len = new makeArray(n);
  n = 0;
  while (len.indexOf(",") != -1) {
    var tmpstr = len.substring(0, len.indexOf(","));
    this.len[n] = tmpstr;
    len = len.substring(len.indexOf(",") + 1, len.length);
    n++;
  }
  this.len[n] = len;

  return this;
}

/*************************************************************************\
   CardType setRules()
   return the CardType object.
\*************************************************************************/
function setRules(rules) {
  // Create the rules array.
  if (rules.length == 0 || rules == null)
    rules = "0,1,2,3,4,5,6,7,8,9";
  
  var tmprules = rules;
  n = 1;
  while (tmprules.indexOf(",") != -1) {
    tmprules = tmprules.substring(tmprules.indexOf(",") + 1, tmprules.length);
    n++;
  }
  this.rules = new makeArray(n);
  n = 0;
  while (rules.indexOf(",") != -1) {
    var tmpstr = rules.substring(0, rules.indexOf(","));
    this.rules[n] = tmpstr;
    rules = rules.substring(rules.indexOf(",") + 1, rules.length);
    n++;
  }
  this.rules[n] = rules;

  return this;
}