<!DOCTYPE html>
<html>
<head>
<script type="text/JavaScript">
<script type="text/JavaScript">
function captureSubmit()
{
window.captureEvents(Event.SUBMIT);
window.onsubmit = onsubmit_function;
}
function onsubmit_function()
{
document.write('onsubmit event');
}
</script></head>
<body onload="captureSubmit();">
<form>
<input type="submit" value="submit" />
</form>
</body>
</html>