Mine
public text v1 · immutable<script>
function showload(b)
{
var loadi = 0;
b.disabled = true;
b.value = 'Loading';
loadi+=1;
if (loadi>3)loadi=0;
b.value = "Loading"
for (var i=0;i<loadi;i++) b.value+='.'
setTimeout(showload,100);
}
</script>
<input type="submit" style="width:100px; height:21px;" name="SubmitButton" id="SubmitButton" value="Submit" onclick="showload(this);">