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196 lines
5.6 KiB
196 lines
5.6 KiB
var field2focus = null;
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function checknumber(obj) {
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var x = obj.value
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x = x.replace(",", "");
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x = x.replace(",", "");
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x = x.replace(",", "");
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x = x.replace(",", "");
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x = x.replace(",", "");
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if (x == '') {
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return false;
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}
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var anum = /(^\d+$)|(^\d+\.\d{1,10}$)/
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if (anum.test(x)) {
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return true;
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}
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else {
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alert("Please input a valid number!")
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field2focus = obj;
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setTimeout('focusField()', 10);
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return false;
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}
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}
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function isIntegerOnly(obj) {
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var i;
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var s = obj.value;
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for (i = 0; i < s.length; i++) {
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// Check that current character is number.
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var c = s.charAt(i);
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if (((c < "0") || (c > "9"))) {
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alert("Please input a valid integer!")
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field2focus = obj;
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setTimeout('focusField()', 10);
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return false;
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}
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}
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// All characters are integers.
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return true;
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}
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function focusField() {
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if (field2focus) field2focus.focus();
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}
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function isAlphanumeric(s) {
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var i;
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if (isEmpty(s))
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if (isAlphanumeric.arguments.length == 1) return defaultEmptyOK;
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else return (isAlphanumeric.arguments[1] == true);
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for (i = 0; i < s.length; i++) {
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// Check that current character is number or letter.
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var c = s.charAt(i);
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if (!(isLetter(c) || isDigit(c)))
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return false;
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}
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// All characters are numbers or letters.
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return true;
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}
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function isYear(s) {
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if (isEmpty(s))
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if (isYear.arguments.length == 1) return defaultEmptyOK;
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else return (isYear.arguments[1] == true);
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if (!isNonnegativeInteger(s)) return false;
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return ((s.length == 2) || (s.length == 4));
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}
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function isIntegerInRange(s, a, b) {
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if (isEmpty(s))
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if (isIntegerInRange.arguments.length == 1) return defaultEmptyOK;
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else return (isIntegerInRange.arguments[1] == true);
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if (!isInteger(s, false)) return false;
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var num = parseInt(s);
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return ((num >= a) && (num <= b));
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}
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function isMonth(s) {
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if (isEmpty(s))
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if (isMonth.arguments.length == 1) return defaultEmptyOK;
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else return (isMonth.arguments[1] == true);
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return isIntegerInRange(s, 1, 12);
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}
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function isDay(s) {
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if (isEmpty(s))
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if (isDay.arguments.length == 1) return defaultEmptyOK;
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else return (isDay.arguments[1] == true);
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return isIntegerInRange(s, 1, 31);
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}
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// Declaring valid date character, minimum year and maximum year
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var dtCh = "/";
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var minYear = 1900;
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var maxYear = 2100;
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function isInteger(s) {
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var i;
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for (i = 0; i < s.length; i++) {
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// Check that current character is number.
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var c = s.charAt(i);
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if (((c < "0") || (c > "9"))) return false;
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}
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// All characters are numbers.
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return true;
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}
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function stripCharsInBag(s, bag) {
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var i;
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var returnString = "";
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// Search through string's characters one by one.
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// If character is not in bag, append to returnString.
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for (i = 0; i < s.length; i++) {
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var c = s.charAt(i);
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if (bag.indexOf(c) == -1) returnString += c;
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}
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return returnString;
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}
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function daysInFebruary(year) {
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// February has 29 days in any year evenly divisible by four,
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// EXCEPT for centurial years which are not also divisible by 400.
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return (((year % 4 == 0) && ((!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28);
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}
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function DaysArray(n) {
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for (var i = 1; i <= n; i++) {
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this[i] = 31
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if (i == 4 || i == 6 || i == 9 || i == 11) { this[i] = 30 }
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if (i == 2) { this[i] = 29 }
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}
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return this
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}
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function isDate(dtStr) {
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var daysInMonth = DaysArray(12)
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var pos1 = dtStr.indexOf(dtCh)
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var pos2 = dtStr.indexOf(dtCh, pos1 + 1)
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var strMonth = dtStr.substring(0, pos1)
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var strDay = dtStr.substring(pos1 + 1, pos2)
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var strYear = dtStr.substring(pos2 + 1)
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strYr = strYear
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if (strDay.charAt(0) == "0" && strDay.length > 1) strDay = strDay.substring(1)
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if (strMonth.charAt(0) == "0" && strMonth.length > 1) strMonth = strMonth.substring(1)
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for (var i = 1; i <= 3; i++) {
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if (strYr.charAt(0) == "0" && strYr.length > 1) strYr = strYr.substring(1)
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}
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month = parseInt(strMonth)
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day = parseInt(strDay)
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year = parseInt(strYr)
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if (pos1 == -1 || pos2 == -1) {
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alert("The date format should be : mm/dd/yyyy")
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return false
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}
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if (strMonth.length < 1 || month < 1 || month > 12) {
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alert("Please enter a valid month")
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return false
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}
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if (strDay.length < 1 || day < 1 || day > 31 || (month == 2 && day > daysInFebruary(year)) || day > daysInMonth[month]) {
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alert("Please enter a valid day")
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return false
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}
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if (strYear.length != 4 || year == 0 || year < minYear || year > maxYear) {
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alert("Please enter a valid 4 digit year between " + minYear + " and " + maxYear)
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return false
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}
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if (dtStr.indexOf(dtCh, pos2 + 1) != -1 || isInteger(stripCharsInBag(dtStr, dtCh)) == false) {
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alert("Please enter a valid date")
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return false
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}
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return true
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}
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function ValidateForm() {
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var dt = document.frmSample.txtDate
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if (isDate(dt.value) == false) {
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dt.focus()
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return false
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}
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return true
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}
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function checkDateFormat(obj) {
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if (obj.value != "") {
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var result = isDate(obj.value);
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if (!result) {
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field2focus = obj;
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setTimeout('focusField()', 10);
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obj.focus();
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}
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}
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}
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