[HTML] pobierz, plaintext 
<form class="check" name="checkf" action="check.php" method="POST">
				<input  name="code" type="text" value=""/>
				<button type="submit" name="return"  value="" class="return">zwrócona</button>
				<button type="submit" name="given"  value="" class="given">wydana</button>
				<button id="check" type="submit"  name="check" value="" class="check">Sprawdź kod<img style="position:relative;top:3px;padding-left:7px;" src="./assets/img/loupe.png" alt='lupa'/></button>
				</form>
[HTML] pobierz, plaintext 

[HTML] pobierz, plaintext 
	$('.check').submit(function() {
	alert($(this).serialize()); // check to show that all form data is being submitted
	$.post("check.php",$(this).serialize(),function(data){
		alert(data); //check to show that the calculation was successful                        
	});
	return false; // return false to stop the page submitting. You could have the form action set to the same PHP page so if people dont have JS on they can still use the form
	});
[HTML] pobierz, plaintext