WHMCS

1. Add code at the end in /templates/kayako/js/kayako.js

function validateReply() {
if ($("#replycontents").val() '') {
alert('Please enter message to reply!');
return false;
}

return true;
}

function validateComment() {
if ($("#postnewcomment").val() '') {
alert('Please enter the comment!');
return false;
}

return true;
}

2. Edit /templates/kayako/viewticket.tpl
Line 118 Replace with

<form method="post" action="{$_submitURL}?action=reply&ticketid={$_ticketContainer.ticketid}" name="TicketReplyForm" enctype="multipart/form-data" onsubmit="return validateReply();">

3. Edit /templates/kayako/comments.tpl
Line 26 Replace with

<form method="post" action="{$_commentSubmitURL}" enctype="multipart/form-data" name="CommentsForm" onsubmit="return validateComment();">