Untitled

<!DOCTYPE html>
<html lang="pl">
<head>
<meta charset="UTF-8">
<script type="text/javascript">
	function witaj()
	{
	var a = document.form.a.value;
	var wynik;
	wynik = a*0.2777;
	document.getElementById("wynik").innerHTML=wynik + " m/s";
	}
	</script> </head>
<body>

		<form name="form">
			<input type="text" name="a" onkeyup="witaj()"/><br>
		</form> <br>
				<div id="wynik"></div>

</body></html>