var fadeImage = new Class({
    initialize: function() {      
            $$('.fadeimage-link').each(function(thumb) {
                thumb.set('tween', {link: 'cancel', duration: 'short'});
				thumb.addEvent('mouseover', this.linkMouseOverHandler);
                thumb.addEvent('mouseout', this.linkMouseOutHandler);             
            }, this);       
    },
    linkMouseOverHandler: function(evt) {
        $$(evt.target).fade(0.5);
    },
    linkMouseOutHandler: function(evt) {
        $$(evt.target).fade(1);
    }
});