J(function() {
    // OPACITY OF BUTTON SET TO 50%
    J(".latest_img").css("opacity","0.5");

    // ON MOUSE OVER
    J(".latest_img").hover(function () {

        // SET OPACITY TO 100%
        J(this).stop().animate({
            opacity: 1.0
        }, "slow");
    },

    // ON MOUSE OUT
    function () {

        // SET OPACITY BACK TO 50%
        J(this).stop().animate({
            opacity: 0.5
        }, "slow");
    });
});