Untitled

<body>
<script>

	function licz (formularz) {
		if (formularz.a.value==""||formularz.b.value=="");
			else {
			a=formularz.a.value;
			b=formularz.b.value;
			formularz.p.value=a * 4;
			formularz.o.value=b * 3;
			}
		}

		if (

</script>

	<form name="formularz1" action="">
	Waluta Euro: <input type = "text" name = "a"> <br /> <br />
	Waluta Dolar: <input type = "text" name = "b"> <br /> <br />
	<input type = "button" value = "Oblicz" onClick = "licz(this.form)"><br> <br>
	Kwota Euro -> Złoty: <input type = "text" name = "p"> <br /> <br />
	Kwota Dolar -> Złoty: <input type = "text" name = "o"> <br /> <br />
	</form>

</body>