Pomocou JavaScriptu, napríklad takto:
<!DOCTYPE html>
<html><head>
<meta charset="utf-8">
<title>Tlačidlo</title>
</head><body>
<form>
<input name="send" type="button" value="Stlač ma!" />
</form>
<script>
var form = document.forms[0];
form.send.onclick = function() {
//this.disabled = true;
this.style.visibility = 'hidden';
var me = this;
setTimeout(function() {
//me.disabled = false;
me.style.visibility = '';
}, 15000);
};
</script>
</body></html>
Nastavoval by som radšej disabled namiesto viditeľnosti.