JavaScript to control mouse cursor

The following JavaScript can be used to change the cursor to an hourglass while the form is being submitted.
document.body.style.cursor='wait'

Example form:-

<form action=\"ReleaseInsData.do\" method=\"POST\" onsubmit=\"document.body.style.cursor=\'wait\';
 javascript:return releaseButtonClicked();\">
</form>

To return back to the original cursor view you can use:-
document.body.style.cursor='auto';