window.addEvent('domready', function() {
									 
	new Asset.images(['images/menu/sn7-1-o.gif', 'images/menu/sn7-2-o.gif', 'images/menu/sn7-3-o.gif']);

	if($('sm1')) {
		/* mouseover */
		$('sm1').addEvent('mouseover', function() {
			$('sm1').setProperty('src', 'images/menu/sn7-1-o.gif');
		});
		/* mouseout */
		$('sm1').addEvent('mouseout', function() {
			$('sm1').setProperty('src', 'images/menu/sn7-1.gif');
		});
	};
	
	if($('sm2')) {
		/* mouseover */
		$('sm2').addEvent('mouseover', function() {
			$('sm2').setProperty('src', 'images/menu/sn7-2-o.gif');
		});
		/* mouseout */
		$('sm2').addEvent('mouseout', function() {
			$('sm2').setProperty('src', 'images/menu/sn7-2.gif');
		});
	};
	
	if($('sm3')) {
		/* mouseover */
		$('sm3').addEvent('mouseover', function() {
			$('sm3').setProperty('src', 'images/menu/sn7-3-o.gif');
		});
		/* mouseout */
		$('sm3').addEvent('mouseout', function() {
			$('sm3').setProperty('src', 'images/menu/sn7-3.gif');
		});
	};
	
});