Zdravim, mam takovy problem, kdyz udelam form a input, a potom chci ten input ulozit do promenne v php, tak se mi ukaze notice Undefined index: Fname...., to samy u Sname, co s tim?

<form name="test" method="POST" action="http://xxxxxxxxx.php">

<input name="Fname" class="text" />   <br/>
<input name="Sname" class="text" />   <br/>
</form>
.
.
.
.
<?php
					
		$Jmeno = $_POST["Fname"];
		$Prijmeni = $_POST["Sname"];

                echo $Jmeno;
                echo $Prijmeni;
					
?>