input type="text" само числа ???

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<meta http-equiv="content-type" content="text/html; charset=windows-1251">

<title></title>

<script language="JavaScript" type="text/javascript">

<!--

function numbersonly(myfield, e, dec)

{

    var key;

    var keychar;

    

    if (window.event)

       key = window.event.keyCode;

    else if (e)

       key = e.which;

    else

       return true;

    keychar = String.fromCharCode(key);

    

    if ((key==null) || (key==0) || (key==8) || 

        (key==9) || (key==13) || (key==27) )

       return true;

    

    else if ((("0123456789").indexOf(keychar) > -1))

       return true;

    

    else if (dec && (keychar == "."))

       {

       myfield.form.elements[dec].focus();

       return false;

       }

    else

       return false;

}



//-->

</script>

</head>

<body>




Ето тука мошеш да пишеш само 

цифри:<input type="text" id="numbers" size="5" maxlength="5" onkeypress="return numbersonly(this, event);">

</body>

</html>