function validateDate(form, oDate) { var bValid = true; var focusField = null; var i = 0; var fields = new Array(); for (x in oDate) { var value = form[oDate[x][0]].value; var datePattern = oDate[x][2]("datePatternStrict"); if ((form[oDate[x][0]].type == 'text' || form[oDate[x][0]].type == 'textarea') && (value.length > 0) && (datePattern.length > 0)) { 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 = form[oDate[x][0]]; } fields[i++] = oDate[x][1]; bValid = false; } } else { if (i == 0) { focusField = form[oDate[x][0]]; } 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 = form[oDate[x][0]]; } fields[i++] = oDate[x][1]; bValid = false; } } else { if (i == 0) { focusField = form[oDate[x][0]]; } 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 = form[oDate[x][0]]; } fields[i++] = oDate[x][1]; bValid = false; } } else { if (i == 0) { focusField = form[oDate[x][0]]; } fields[i++] = oDate[x][1]; bValid = false; } } else { if (i == 0) { focusField = form[oDate[x][0]]; } 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; } function validateMinLength(form, oMinLength) { var bValid = true; var focusField = null; var i = 0; var fields = new Array(); for (x in oMinLength) { if (form[oMinLength[x][0]]!= null) { if (form[oMinLength[x][0]].type == 'text' || form[oMinLength[x][0]].type == 'textarea') { var iMin = parseInt(oMinLength[x][2]("minlength")); if (form[oMinLength[x][0]].value.length < iMin) { if (i == 0) { focusField = form[oMinLength[x][0]]; } fields[i++] = oMinLength[x][1]; bValid = false; } } } } if (fields.length > 0) { focusField.focus(); alert(fields.join('\n')); } return bValid; } function validateIntRange(form, oRange) { var bValid = true; var focusField = null; var i = 0; var fields = new Array(); for (x in oRange) { if (form[oRange[x][0]] != null) { if ((form[oRange[x][0]].type == 'text' || form[oRange[x][0]].type == 'textarea') && (form[oRange[x][0]].value.length > 0)) { var iMin = parseInt(oRange[x][2]("min")); var iMax = parseInt(oRange[x][2]("max")); var iValue = parseInt(form[oRange[x][0]].value); if (!(iValue >= iMin && iValue <= iMax)) { if (i == 0) { focusField = form[oRange[x][0]]; } fields[i++] = oRange[x][1]; bValid = false; } } } } if (fields.length > 0) { focusField.focus(); alert(fields.join('\n')); } return bValid; } function validateMaxLength(form, oMaxLength) { var bValid = true; var focusField = null; var i = 0; var fields = new Array(); for (x in oMaxLength) { if (form[oMaxLength[x][0]] != null) { if (form[oMaxLength[x][0]].type == 'text' || form[oMaxLength[x][0]].type == 'textarea') { var iMax = parseInt(oMaxLength[x][2]("maxlength")); if (form[oMaxLength[x][0]].value.length > iMax) { if (i == 0) { focusField = form[oMaxLength[x][0]]; } fields[i++] = oMaxLength[x][1]; bValid = false; } } } } if (fields.length > 0) { focusField.focus(); alert(fields.join('\n')); } return bValid; } function validateFloatRange(form, oRange) { var bValid = true; var focusField = null; var i = 0; var fields = new Array(); for (x in oRange) { if (form[oRange[x][0]] != null) { if ((form[oRange[x][0]].type == 'text' || form[oRange[x][0]].type == 'textarea') && (form[oRange[x][0]].value.length > 0)) { var fMin = parseFloat(oRange[x][2]("min")); var fMax = parseFloat(oRange[x][2]("max")); var fValue = parseFloat(form[oRange[x][0]].value); if (!(fValue >= fMin && fValue <= fMax)) { if (i == 0) { focusField = form[oRange[x][0]]; } fields[i++] = oRange[x][1]; bValid = false; } } } } if (fields.length > 0) { focusField.focus(); alert(fields.join('\n')); } return bValid; } function validateByte(form, oByte) { var bValid = true; var focusField = null; var i = 0; var fields = new Array(); for (x in oByte) { var field = form[oByte[x][0]]; if (field != null) { if (field.type == 'text' || field.type == 'textarea' || field.type == 'select-one' || field.type == 'radio') { var value; // get field's value if (field.type == "select-one") { var si = field.selectedIndex; value = field.options[si].value; } else { value = field.value; } if (value.length > 0) { var iValue = parseInt(value); if (isNaN(iValue) || !(iValue >= -128 && iValue <= 127)) { if (i == 0) { focusField = field; } fields[i++] = oByte[x][1]; bValid = false; } } } } } if (fields.length > 0) { focusField.focus(); alert(fields.join('\n')); } return bValid; } function validateRange(form, fields) { return validateIntRange(form, fields); } function validateInteger(form, oInteger) { var bValid = true; var focusField = null; var i = 0; var fields = new Array(); for (x in oInteger) { var field = form[oInteger[x][0]]; if (field != null) { if (field.type == 'text' || field.type == 'textarea' || field.type == 'select-one' || field.type == 'radio') { var value; // get field's value if (field.type == "select-one") { var si = field.selectedIndex; value = field.options[si].value; } else { value = field.value; } if (value.length > 0) { var iValue = parseInt(value); if (isNaN(iValue) || !(iValue >= -2147483648 && iValue <= 2147483647)) { if (i == 0) { focusField = field; } fields[i++] = oInteger[x][1]; bValid = false; } } } } } if (fields.length > 0) { focusField.focus(); alert(fields.join('\n')); } return bValid; } function validateFloat(form, oFloat) { var bValid = true; var focusField = null; var i = 0; var fields = new Array(); for (x in oFloat) { var field = form[oFloat[x][0]]; if (field != null) { if (field.type == 'text' || field.type == 'textarea' || field.type == 'select-one' || field.type == 'radio') { var value; // get field's value if (field.type == "select-one") { var si = field.selectedIndex; value = field.options[si].value; } else { value = field.value; } if (value.length > 0) { var iValue = parseFloat(value); if (isNaN(iValue)) { if (i == 0) { focusField = field; } fields[i++] = oFloat[x][1]; bValid = false; } } } } } if (fields.length > 0) { focusField.focus(); alert(fields.join('\n')); } return bValid; } var bCancel = false; function validateRequired(form, oRequired) { var bValid = true; var focusField = null; var i = 0; var fields = new Array(); for (x in oRequired) { var field = form[oRequired[x][0]]; if (field != null) { if (field.type == 'text' || field.type == 'textarea' || field.type == 'select-one' || field.type == 'radio' || field.type == 'password') { var value; // get field's value if (field.type == "select-one") { var si = field.selectedIndex; value = field.options[si].value; } else { value = field.value; } if (value == '') { if (i == 0) { focusField = field; } fields[i++] = oRequired[x][1]; bValid = false; } } } } if (fields.length > 0) { focusField.focus(); alert(fields.join('\n')); } return bValid; } function validateShort(form, oShort) { var bValid = true; var focusField = null; var i = 0; var fields = new Array(); for (x in oShort) { var field = form[oShort[x][0]]; if (field != null) { if (field.type == 'text' || field.type == 'textarea' || field.type == 'select-one' || field.type == 'radio') { var value; // get field's value if (field.type == "select-one") { var si = field.selectedIndex; value = field.options[si].value; } else { value = field.value; } if (value.length > 0) { var iValue = parseInt(value); if (isNaN(iValue) || !(iValue >= -32768 && iValue <= 32767)) { if (i == 0) { focusField = field; } fields[i++] = oShort[x][1]; bValid = false; } } } } } if (fields.length > 0) { focusField.focus(); alert(fields.join('\n')); } return bValid; } function validateCreditCard(form, oCreditCard) { var bValid = true; var focusField = null; var i = 0; var fields = new Array(); for (x in oCreditCard) { if (form[oCreditCard[x][0]] != null) { if ((form[oCreditCard[x][0]].type == 'text' || form[oCreditCard[x][0]].type == 'textarea') && (form[oCreditCard[x][0]].value.length > 0)) { 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; } /** * Reference: http://www.ling.nwu.edu/~sburke/pub/luhn_lib.pl */ 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; } function validateEmail(form, oEmail) { var bValid = true; var focusField = null; var i = 0; var fields = new Array(); for (x in oEmail) { if ((form[oEmail[x][0]].type == 'text' || form[oEmail[x][0]].type == 'textarea') && (form[oEmail[x][0]].value.length > 0)) { if (!checkEmail(form[oEmail[x][0]].value)) { if (i == 0) { focusField = form[oEmail[x][0]]; } fields[i++] = oEmail[x][1]; bValid = false; } } } if (fields.length > 0) { focusField.focus(); alert(fields.join('\n')); } return bValid; } /** * Reference: Sandeep V. Tamhankar (stamhankar@hotmail.com), * http://javascript.internet.com */ function checkEmail(emailStr) { if (emailStr.length == 0) { return true; } var emailPat=/^(.+)@(.+)$/; var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"; var validChars="\[^\\s" + specialChars + "\]"; var quotedUser="(\"[^\"]*\")"; var ipDomainPat=/^(\d{1,3})[.](\d{1,3})[.](\d{1,3})[.](\d{1,3})$/; var atom=validChars + '+'; var word="(" + atom + "|" + quotedUser + ")"; var userPat=new RegExp("^" + word + "(\\." + word + ")*$"); var domainPat=new RegExp("^" + atom + "(\\." + atom + ")*$"); var matchArray=emailStr.match(emailPat); if (matchArray == null) { return false; } var user=matchArray[1]; var domain=matchArray[2]; if (user.match(userPat) == null) { return false; } var IPArray = domain.match(ipDomainPat); if (IPArray != null) { for (var i = 1; i <= 4; i++) { if (IPArray[i] > 255) { return false; } } return true; } var domainArray=domain.match(domainPat); if (domainArray == null) { return false; } var atomPat=new RegExp(atom,"g"); var domArr=domain.match(atomPat); var len=domArr.length; if ((domArr[domArr.length-1].length < 2) || (domArr[domArr.length-1].length > 3)) { return false; } if (len < 2) { return false; } return true; } function validateMask(form, oMasked) { var bValid = true; var focusField = null; var i = 0; var fields = new Array(); for (x in oMasked) { if (form[oMasked[x][0]] != null) { if ((form[oMasked[x][0]].type == 'text' || form[oMasked[x][0]].type == 'textarea' || form[oMasked[x][0]].type == 'password') && (form[oMasked[x][0]].value.length > 0)) { if (!matchPattern(form[oMasked[x][0]].value, oMasked[x][2]("mask"))) { if (i == 0) { focusField = form[oMasked[x][0]]; } fields[i++] = oMasked[x][1]; bValid = false; } } } } if (fields.length > 0) { focusField.focus(); alert(fields.join('\n')); } return bValid; } function matchPattern(value, mask) { var bMatched = mask.exec(value); if (!bMatched) { return false; } return true; }