function applyRollovers() {
	var myButtons = $$("input[type='submit']");
	for (i = 0; i < myButtons.length; i++) {
		Event.observe(myButtons[i], 'mouseover', rolloverButton);
		Event.observe(myButtons[i], 'mouseout', rolloverButton);
	}
}

function rolloverButton (event) {
	if (event.type == 'mouseover') {
		Element.removeClassName(Event.element(event), 'submitOver');
		Element.addClassName(Event.element(event), 'submitOver');
	} else {
		Element.removeClassName(Event.element(event), 'submitOver');
	}
}