Mega Code Archive
Letter only, yes no only textfield
<![CDATA[
<HTML>
<HEAD>
<TITLE>Letter only, yes no only textfield </TITLE>
<SCRIPT>
function lettersOnly(evt) {
evt = (evt) ? evt : event;
var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode :
((evt.which) ? evt.which : 0));
if (charCode > 31 && (charCode < 65 || charCode > 90) &&
(charCode < 97 || charCode > 122)) {
alert("Enter letters only.");
return false;
}
return true;
}
function ynOnly(evt) {
evt = (evt) ? evt : event;
var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode :
((evt.which) ? evt.which : 0));
if (charCode > 31 && charCode != 78 && charCode != 89 &&
charCode != 110 && charCode != 121) {
alert("Enter \"Y\" or \"N\" only.");
return false;
}
return true;
}
</script>
</head>
<body>
<form>
Signature Present: <input type="text" name="signature" size="2" maxlength="1"
onkeypress="return ynOnly(event)" /> (Y/N)
</form>
</body>
</html>
]]>