trrrrrrrrrr

<html>
<head>
<title>Hemming code</title>
<script type = "text/javascript">
    //alert("Alert");
    function Code(){
        someText = document.getElementById('inputText').value;
        someText += "000";
        document.getElementById("codeText").value = someText;
    }
</script>
</head>
<body>
    <h1>Код Хэмминга</h1>
    <input type = "text" maxlength = "4" id = "inputText"/><br />
    <input type = "button" value = "Code" onClick = "Code()"/>
    <br />
    <input type = "text" id = "codeText"/>
</body>
</html>