fed up of people repeatingly pressing the send button causing spam? here is one ways how you can stop it.

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instead of using the normal send button, ( <input type="submit" value="send"> &#41 you can use this.

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<script type="text/javascript">function disable() {document.getElementById("post"&#41.disabled=true}; </script>
<input type="submit" value="send" id="post" onclick="disable()">

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this disables the button so it can only be clicked once.

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also if it is disabled the person can still click (a&#41 or enter to use the send button. to stop this you type <script type="text/javascript">function key(event&#41{if (event.keyCode==13) {alert("anti spam protection! (do not press the a button&#41 refreshing
";&#41 window.location="COMMENT BOX/CHAT ROOM URL"}}</script>
<input type="submit" value="send" onkeydown="key(event)">

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so the full code is..
<script type="text/javascript">function disable(){getElementById("post "&#41.disabled=true}; function key(event) {if (event.keyCode==13) {alert("anti spam protection! (do not press the a button&#41 refreshing" window.location="CHAT BOX/CHAT ROOM URL"}}</script>
<input type="submit" value="send" id="post" onclick="disable()" onkeydown="key(event)">
hope I solved your spam problems ;D
-a.smith

im gonna find a way to stop the refresh spam ;D