$('#sidebar .myxpress_promote').hover(function(){
        start_bubbles();
    }, function(){
        window.clearTimeout(h);
    });

    function start_bubbles() {
        new heart();
        h = window.setTimeout(start_bubbles, 500);
    }

    function heart() {
        this.parent = $('#sidebar .myxpress_promote');
        this.element = $('<span class="heart">♥</span>');
        this.parent.append(this.element);
        this.x = Math.floor(Math.random() * this.parent.width() + 20);
        this.y = - ( Math.floor(Math.random()*this.element.height()) -10 );
        this.ticks = 0;
        this.size = Math.floor(Math.random() * 30 + 8);

        this.element.css({
            'font-size' : this.size + 'px',
            'left' : this.x + 'px',
            'bottom' : this.y + 'px'
        });

        this.tick = function() {
            this.y += this.size / 30;
            this.element.css({
                'left': Math.sin(this.ticks / 10.0) * this.size / 15.0 + this.x - this.element.width() / 1.0 + 'px',
                'bottom': this.y + 'px'
            });
            this.ticks++;
            this.update = window.setTimeout(update_heart, 20, this);
        }

        this.tick();
        this.element.fadeOut({ duration: 6000, queue: false }, "easeOut");
    }

    function update_heart(hrt) {
        hrt.tick();
        if(hrt.element.css("display")=="none") {
            hrt.element.remove();
            window.clearTimeout(hrt.update);
        }
    }