window.addEvent('domready', function() {

var myFx = new Fx.Elements($$('.demoElement')).set({
    '0': {
        'opacity': 0.3
    },
    '1': {
        'opacity': 0.3
    },
    '2': {
        'opacity': 0.3
    },
});

	var el1 = $('myElement1');
	$('fadeOpacity1').addEvent('mouseover', el1.fade.bind(el1, [1]));
	$('fadeOpacity1').addEvent('mouseleave', el1.fade.bind(el1, [0.3]));
	
	var el2 = $('myElement2');
	$('fadeOpacity2').addEvent('mouseover', el2.fade.bind(el2, [1]));
	$('fadeOpacity2').addEvent('mouseleave', el2.fade.bind(el2, [0.3]));
	
	var el3 = $('myElement3');
	$('fadeOpacity3').addEvent('mouseover', el3.fade.bind(el3, [1]));
	$('fadeOpacity3').addEvent('mouseleave', el3.fade.bind(el3, [0.3]));
		
});