window.addEvent('domready', function() {
	
	var list = $$('div#bdnav li.override a');

	list.each(function(element) {
		var org_src = $(element).getElement('img').get('src');
		$(element).store('org_src', org_src);

		$(element).addEvent('mouseenter', function(event) {
			var over_src = $(element).get('rel');
			$(element).getElement('img').set('src', over_src);
		});

		$(element).addEvent('mouseleave', function(event) {
			$(element).getElement('img').set('src', $(element).retrieve('org_src'));
		});

	});
});