window.addEvent('domready', function () {
    
    var inter, delta = 1, loading = $('loading'), x = 0;
  
    var load = new Asset.image('/static/img/main.jpg', {
        
        onload: function(){
            var el = new Element('div', {id: 'main_image'});
            el.inject(loading, 'after');
            loading.dispose();
            
            inter = setInterval(function(){
                if (x >= 16000) x = 0;
                el.setStyle('backgroundPosition', x + 'px 0px');
                x += delta;
            }, 20);
        }
        
        });
        
    $$('a').addEvent('click', function(event){
        inter = $clear(inter);
    });
    
});