<html>
<head>
<title>page1</title>
<script language="javascript1.2">
function calculer(){
res=3+54-8*9
document.blablabla.classer.value=res;
}
</script>
</head>
<body>
<form name="blablabla" action="p2.php" method="post">
<input type="hidden" name="classer">
<input type="submit"  value="envoyer" onclick="calculer()">
</form>
</body>
</html>
