//dk. client side dirty character bouncer
function alphakey(evt){
    var charCode = (evt.which) ? evt.which : window.event.keyCode;
    if (charCode <= 13) {
        return true;
    } else {
        var keyChar = String.fromCharCode(charCode);
        var re = /^[\w' -.,]+$/;
        return re.test(keyChar);
    }
}