mirror of
https://github.com/FH-Complete/FHC-Core.git
synced 2026-06-01 20:29:29 +00:00
SimonGschnell
74 lines
2.1 KiB
JavaScript
Executable File
74 lines
2.1 KiB
JavaScript
Executable File
function dateCheck(field)
|
|
{
|
|
var checkstr = "0123456789";
|
|
var DateField = field;
|
|
var Datevalue = "";
|
|
var DateTemp = "";
|
|
var seperator = "-";
|
|
var day;
|
|
var month;
|
|
var year;
|
|
var leap = 0;
|
|
var err = 0;
|
|
var i;
|
|
err = 0;
|
|
DateValue = DateField.value;
|
|
/* Delete all chars except 0..9 */
|
|
for (i = 0; i < DateValue.length; i++) {
|
|
if (checkstr.indexOf(DateValue.substr(i,1)) >= 0) {
|
|
DateTemp = DateTemp + DateValue.substr(i,1);
|
|
}
|
|
}
|
|
DateValue = DateTemp;
|
|
/* Always change date to 8 digits - string*/
|
|
/* if year is entered as 2-digit / always assume 19xx */
|
|
if (DateValue.length == 6) {
|
|
DateValue = '19' + DateValue; }
|
|
if (DateValue.length != 8) {
|
|
err = 19;}
|
|
/* year is wrong if year = 0000 */
|
|
year = DateValue.substr(0,4);
|
|
if (year == 0) {
|
|
err = 20;
|
|
}
|
|
/* Validation of month*/
|
|
month = DateValue.substr(4,2);
|
|
if ((month < 1) || (month > 12)) {
|
|
err = 21;
|
|
}
|
|
/* Validation of day*/
|
|
day = DateValue.substr(6,2);
|
|
if (day < 1) {
|
|
err = 22;
|
|
}
|
|
/* Validation leap-year / february / day */
|
|
if ((year % 4 == 0) || (year % 100 == 0) || (year % 400 == 0)) {
|
|
leap = 1;
|
|
}
|
|
if ((month == 2) && (leap == 1) && (day > 29)) {
|
|
err = 23;
|
|
}
|
|
if ((month == 2) && (leap != 1) && (day > 28)) {
|
|
err = 24;
|
|
}
|
|
/* Validation of other months */
|
|
if ((day > 31) && ((month == "01") || (month == "03") || (month == "05") || (month == "07") || (month == "08") || (month == "10") || (month == "12"))) {
|
|
err = 25;
|
|
}
|
|
if ((day > 30) && ((month == "04") || (month == "06") || (month == "09") || (month == "11"))) {
|
|
err = 26;
|
|
}
|
|
/* if 00 ist entered, no error, deleting the entry */
|
|
if ((day == 0) && (month == 0) && (year == 00)) {
|
|
err = 1; day = ""; month = ""; year = ""; seperator = "";
|
|
}
|
|
/* if no error, write the completed date to Input-Field (e.g. 13.12.2001) */
|
|
if (err == 0) {
|
|
return year + seperator + month + seperator + day;
|
|
//return true;
|
|
}
|
|
/* Error-message if err != 0 */
|
|
else {
|
|
return false;
|
|
}
|
|
} |