var enable =  function(){



/* $$('img.mo').each(function(img) {
    var src = img.getProperty('src');
	var extension = src.substring(src.lastIndexOf('.'),src.length);
    img.addEvent('mouseenter', function() { img.setProperty('src',src.replace(extension,'-mo' + extension)); });
    img.addEvent('mouseleave', function() { img.setProperty('src',src); });
});*/

$$('.mo').each(function(el, i) {
	var ExampleFx = new Fx.Style(el, 'opacity', { 
	wait: false,
	duration: 100,
	transition: Fx.Transitions.Quart.easeInOut});
		el.addEvent('mouseenter', function() { ExampleFx.start(1, 0.29); });
		el.addEvent('mouseleave', function() { ExampleFx.start(.29, 1); });
});



}; //enable

window.addEvent('load', enable);