📄 validate.js
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if (fields.length > 0) {
focusField.focus();
alert(fields.join('\n'));
}
return bValid;
}
function isAllDigits(argvalue) {
argvalue = argvalue.toString();
var validChars = "0123456789";
var startFrom = 0;
if (argvalue.substring(0, 2) == "0x") {
validChars = "0123456789abcdefABCDEF";
startFrom = 2;
} else if (argvalue.charAt(0) == "0") {
validChars = "01234567";
startFrom = 1;
} else if (argvalue.charAt(0) == "-") {
startFrom = 1;
}
for (var n = startFrom; n < argvalue.length; n++) {
if (validChars.indexOf(argvalue.substring(n, n+1)) == -1) return false;
}
return true;
}
/*$RCSfile: validateCreditCard.js,v $ $Revision: 1.8 $ $Date: 2004/03/28 16:53:21 $ */
/**
* Check to see if fields are a valid creditcard number based on Luhn checksum.
* Fields are not checked if they are disabled.
* <p>
* @param form The form validation is taking place on.
*/
function validateCreditCard(form) {
var bValid = true;
var focusField = null;
var i = 0;
var fields = new Array();
var formName = form.getAttributeNode("name");
oCreditCard = eval('new ' + formName.value + '_creditCard()');
for (x in oCreditCard) {
if ((form[oCreditCard[x][0]].type == 'text' ||
form[oCreditCard[x][0]].type == 'textarea') &&
(form[oCreditCard[x][0]].value.length > 0) &&
form[oCreditCard[x][0]].disabled == false) {
if (!luhnCheck(form[oCreditCard[x][0]].value)) {
if (i == 0) {
focusField = form[oCreditCard[x][0]];
}
fields[i++] = oCreditCard[x][1];
bValid = false;
}
}
}
if (fields.length > 0) {
focusField.focus();
alert(fields.join('\n'));
}
return bValid;
}
/**
* Checks whether a given credit card number has a valid Luhn checksum.
* This allows you to spot most randomly made-up or garbled credit card numbers immediately.
* Reference: http://www.speech.cs.cmu.edu/~sburke/pub/luhn_lib.html
*/
function luhnCheck(cardNumber) {
if (isLuhnNum(cardNumber)) {
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 == 0) return false;
if (sum % 10 == 0) return true;
};
return false;
}
function isLuhnNum(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;
}
/*$RCSfile: validateDate.js,v $ $Revision: 1.10 $ $Date: 2004/03/28 16:53:21 $ */
/**
* Check to see if fields are a valid date.
* Fields are not checked if they are disabled.
* <p>
* @param form The form validation is taking place on.
*/
function validateDate(form) {
var bValid = true;
var focusField = null;
var i = 0;
var fields = new Array();
var formName = form.getAttributeNode("name");
oDate = eval('new ' + formName.value + '_DateValidations()');
for (x in oDate) {
var field = form[oDate[x][0]];
var value = field.value;
var datePattern = oDate[x][2]("datePatternStrict");
// try loose pattern
if (datePattern == null)
datePattern = oDate[x][2]("datePattern");
if ((field.type == 'hidden' ||
field.type == 'text' ||
field.type == 'textarea') &&
(value.length > 0) && (datePattern.length > 0) &&
field.disabled == false) {
var MONTH = "MM";
var DAY = "dd";
var YEAR = "yyyy";
var orderMonth = datePattern.indexOf(MONTH);
var orderDay = datePattern.indexOf(DAY);
var orderYear = datePattern.indexOf(YEAR);
if ((orderDay < orderYear && orderDay > orderMonth)) {
var iDelim1 = orderMonth + MONTH.length;
var iDelim2 = orderDay + DAY.length;
var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
if (iDelim1 == orderDay && iDelim2 == orderYear) {
dateRegexp = new RegExp("^(\\d{2})(\\d{2})(\\d{4})$");
} else if (iDelim1 == orderDay) {
dateRegexp = new RegExp("^(\\d{2})(\\d{2})[" + delim2 + "](\\d{4})$");
} else if (iDelim2 == orderYear) {
dateRegexp = new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})(\\d{4})$");
} else {
dateRegexp = new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})[" + delim2 + "](\\d{4})$");
}
var matched = dateRegexp.exec(value);
if(matched != null) {
if (!isValidDate(matched[2], matched[1], matched[3])) {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
} else {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
} else if ((orderMonth < orderYear && orderMonth > orderDay)) {
var iDelim1 = orderDay + DAY.length;
var iDelim2 = orderMonth + MONTH.length;
var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
if (iDelim1 == orderMonth && iDelim2 == orderYear) {
dateRegexp = new RegExp("^(\\d{2})(\\d{2})(\\d{4})$");
} else if (iDelim1 == orderMonth) {
dateRegexp = new RegExp("^(\\d{2})(\\d{2})[" + delim2 + "](\\d{4})$");
} else if (iDelim2 == orderYear) {
dateRegexp = new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})(\\d{4})$");
} else {
dateRegexp = new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})[" + delim2 + "](\\d{4})$");
}
var matched = dateRegexp.exec(value);
if(matched != null) {
if (!isValidDate(matched[1], matched[2], matched[3])) {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
} else {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
} else if ((orderMonth > orderYear && orderMonth < orderDay)) {
var iDelim1 = orderYear + YEAR.length;
var iDelim2 = orderMonth + MONTH.length;
var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
if (iDelim1 == orderMonth && iDelim2 == orderDay) {
dateRegexp = new RegExp("^(\\d{4})(\\d{2})(\\d{2})$");
} else if (iDelim1 == orderMonth) {
dateRegexp = new RegExp("^(\\d{4})(\\d{2})[" + delim2 + "](\\d{2})$");
} else if (iDelim2 == orderDay) {
dateRegexp = new RegExp("^(\\d{4})[" + delim1 + "](\\d{2})(\\d{2})$");
} else {
dateRegexp = new RegExp("^(\\d{4})[" + delim1 + "](\\d{2})[" + delim2 + "](\\d{2})$");
}
var matched = dateRegexp.exec(value);
if(matched != null) {
if (!isValidDate(matched[3], matched[2], matched[1])) {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
} else {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
} else {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
}
}
if (fields.length > 0) {
focusField.focus();
alert(fields.join('\n'));
}
return bValid;
}
function isValidDate(day, month, year) {
if (month < 1 || month > 12) {
return false;
}
if (day < 1 || day > 31) {
return false;
}
if ((month == 4 || month == 6 || month == 9 || month == 11) &&
(day == 31)) {
return false;
}
if (month == 2) {
var leap = (year % 4 == 0 &&
(year % 100 != 0 || year % 400 == 0));
if (day>29 || (day == 29 && !leap)) {
return false;
}
}
return true;
}
/*$RCSfile: validateIntRange.js,v $ $Revision: 1.10 $ $Date: 2004/03/28 16:53:21 $ */
/**
* Check to see if fields is in a valid integer range.
* Fields are not checked if they are disabled.
* <p>
* @param form The form validation is taking place on.
*/
function validateIntRange(form) {
var isValid = true;
var focusField = null;
var i = 0;
var fields = new Array();
var formName = form.getAttributeNode("name");
oRange = eval('new ' + formName.value + '_intRange()');
for (x in oRange) {
var field = form[oRange[x][0]];
if (field.disabled == false) {
var value = '';
if (field.type == 'hidden' ||
field.type == 'text' || field.type == 'textarea' ||
field.type == 'radio' ) {
value = field.value;
}
if (field.type == 'select-one') {
var si = field.selectedIndex;
if (si >= 0) {
value = field.options[si].value;
}
}
if (value.length > 0) {
var iMin = parseInt(oRange[x][2]("min"));
var iMax = parseInt(oRange[x][2]("max"));
var iValue = parseInt(value);
if (!(iValue >= iMin && iValue <= iMax)) {
if (i == 0) {
focusField = field;
}
fields[i++] = oRange[x][1];
isValid = false;
}
}
}
}
if (fields.length > 0) {
focusField.focus();
alert(fields.join('\n'));
}
return isValid;
}
/*$RCSfile: validateShort.js,v $ $Revision: 1.9 $ $Date: 2004/03/28 16:53:21 $ */
/**
* Check to see if fields are a valid short.
* Fields are not checked if they are disabled.
* <p>
* @param form The form validation is taking place on.
*/
function validateShort(form) {
var bValid = true;
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