<script>
function order() {
if(document.ordination.ordina.value == "1") {
document.ordination.ordina.value = "0";
}
else {
document.ordination.ordina.value = "1";
}
}
</script><form id="ordination" name="ordination" method="POST" action=""><button type="submit" name="ordina" value="0" onClick="order('0')">Cambia</button></form>
onclick="order();return false;"<!DOCTYPE html>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script>
function order() {
if(document.ordination.prova.value == "1") {
document.ordination.prova.value = "0";
} else {
document.ordination.prova.value = "1";
}
}
</script>
</head>
<body>
<form name="ordination" method="POST" action="">
<input type="text" name="prova"/>
<button type="submit" name="ordina" onclick="order();return false;">Cambia</button>
</form>
</body>
</html>echo '- ' . $_POST["prova"];
