var paper = Raphael("holder", "100%", "100%");

        var circle = paper.circle(0, 0, 10);

        circle.attr("fill", "#fff");
        circle.attr("fill", "#fff");
        circle.attr("stroke-width", 0);
        circle.attr("cx", "50%");
        circle.attr("cy", "100%");
        circle.animate({"cy": "50%"},  5000);