<html>
<head>
<title>formatado data em javascript</title>
<script type="text/javascript">
function Formatadata(Campo, teclapres)
{
var tecla = teclapres.keyCode;
var vr = new String(Campo.value);
vr = vr.replace("/", "");
vr = vr.replace("/", "");
vr = vr.replace("/", "");
tam = vr.length + 1;
if (tecla != 8 && tecla != 8)
{
if (tam > 0 && tam < 2)
Campo.value = vr.substr(0, 2) ;
if (tam > 2 && tam < 4)
Campo.value = vr.substr(0, 2) + '/' + vr.substr(2, 2);
if (tam > 4 && tam < 7)
Campo.value = vr.substr(0, 2) + '/' + vr.substr(2, 2) + '/' + vr.substr(4, 7);
}
}
</script>
</head>
<body>
<form method="post" action="arquivo.php">
<p>
<label>Data:</data>
<input type="text" name="data" maxlength="10" onkeyup="Formatadata(this,event)" />
</p>
</form>
</body>
</html>
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