Copy the following code into your HEAD tags.

<!--Add other form elements into form as desired--> <script> <!-- /* Visit http://java-scripts.ma.cx or http://wsabstract.com For this script and more */ function checkchars(cur){ //change max length to determine below var maxlength=50 if (cur.chars.value.length>maxlength){ alert("Please restrain your input to 50 or less characters!") return false } } //--> </script>