<html>

<body>

<?php

if(isset($_POST["motdepasse"]))

{

if($_POST["motdepasse"] == "cce0207") echo "blablablabla";

}

else echo "Mauvais mot de passe";

?>

<form name="motdepasse" method="post" action="motpasse.php">

<input type=password name="motpasse" size="10" value="" />

<input type="submit" name="action onClick=(this.form)" value="OK">

</form>

</body>

</html>