<!doctype html public "-//W3C//DTD HTML 4.0 //EN">
<html>
<head>
<title>coded by nobody</title>
<script>
function mascara_data(data){
var mydata = '';
mydata = mydata + data;
if (mydata.length == 2){
mydata = mydata + '/';
document.forms[0].data.value = mydata;
}
if (mydata.length == 5){
mydata = mydata + '/';
document.forms[0].data.value = mydata;
}
if (mydata.length == 10){
verifica_data();
}
}
function verifica_data () {
dia = (document.forms[0].data.value.substring(0,2));
mes = (document.forms[0].data.value.substring(3,5));
ano = (document.forms[0].data.value.substring(6,10));
situacao = "";
// verifica o dia valido para cada mes
if ((dia < 01)||(dia < 01 || dia > 30) && ( mes == 04 || mes == 06 || mes == 09 || mes == 11 ) || dia > 31) {
situacao = "falsa";
}
// verifica se o mes e valido
if (mes < 01 || mes > 12 ) {
situacao = "falsa";
}
// verifica se e ano bissexto
if (mes == 2 && ( dia < 01 || dia > 29 || ( dia > 28 && (parseInt(ano / 4) != ano / 4)))) {
situacao = "falsa";
}
if (document.forms[0].data.value == "") {
situacao = "falsa";
}
if (situacao == "falsa") {
alert("Data inv�lida!");
document.forms[0].data.focus();
}
}
function mascara_hora(hora){
var myhora = '';
myhora = myhora + hora;
if (myhora.length == 2){
myhora = myhora + ':';
document.forms[0].hora.value = myhora;
}
if (myhora.length == 5){
verifica_hora();
}
}
function verifica_hora(){
hrs = (document.forms[0].hora.value.substring(0,2));
min = (document.forms[0].hora.value.substring(3,5));
alert('hrs '+ hrs);
alert('min '+ min);
situacao = "";
// verifica data e hora
if ((hrs < 00 ) || (hrs > 23) || ( min < 00) ||( min > 59)){
situacao = "falsa";
}
if (document.forms[0].hora.value == "") {
situacao = "falsa";
}
if (situacao == "falsa") {
alert("Hora inv�lida!");
document.forms[0].hora.focus();
}
}
</script>
</head>
<body>
<form>
<input type="text" name="data" OnKeyUp="mascara_data(this.value)" maxlength="10"> dd/mm/aaaa<br>
<input type="text" name="hora" OnKeyUp="mascara_hora(this.value)" maxlength="5"> hh:mm<br>
<form>
</body>
</html>