$(document).ready(function() {

	var over = function() {
		$(this).attr('src', '/images/SubmitButtonRollover.png');
	}
	
	var out = function() {
		$(this).attr('src', '/images/SubmitButtonRollout.png');
	}
	
	$('input[type=image].submit-image-button').hover(over, out);
	
});