// JavaScript Document
Event.observe(window, 'load', function() {
    $$('.rollover').each(function(elem) { elem.hide(); });
    $$('.rollovertarget').each(function(elem) {
        var box = $$(elem.readAttribute('rel')).first();

        elem.observe('mouseover', function(el) {
            box.clonePosition(elem, {
                setWidth: false, setHeight: false, 
                offsetTop: elem.getHeight(), offsetLeft: elem.getWidth() / 2
            });
            box.show();
        });
        elem.observe('mouseout', function(el) {
            box.hide();
        });
    });
});