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

    // ON MOUSE OVER
    $(".eventImg").hover(function () {

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

    // ON MOUSE OUT
	function () {

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