var bubbles = $$("div.bubble");
var pages = $$("div.page");
$("bubbleWrap").setStyle("visibility", "visible");
bubbles.setStyle("opacity", 0);

pages.each(function(el, i) {
    el.set("morph", { link: "cancel" });
    el.addEvents({
        mouseenter: function() {
            bubbles[i].morph({
                opacity: 1,
                marginTop: "-15px"
            });
        },
        mouseleave: function() {
            bubbles[i].morph({
                opacity: 0,
                marginTop: 0
            });
        }
    });
});

http://jsfiddle.net/qz8Ad/

based on [http://net.tutsplus.com/tutorials/javascript-ajax/create-a-simple-powerful-product-highlighter-with-mootools/](http://net.tutsplus.com/tutorials/javascript-ajax/create-a-simple-powerful-product-highlighter-with-mootools/)

MooTools Product Highlighter Tooltip

javascript

JavaScript