This is getting off-topic, but something like this should work: 
<div id="waitmessage" style="display:none">Please wait..</div>

<form action=... method=... onsubmit="document.getElementById('waitmes
+sage').style.display='block'; return true">
...
</form>

[download]
"What should it profit a man, if he should win a flame war, yet lose his cool?"

In reply to Re^3: Using hidden .. onmousdown by Joost
in thread Using hidden .. onmousdown by vit

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