$(function() {
// OPACITY OF BUTTON SET TO 100%
$(".latest_img").css("opacity","1");
 
// ON MOUSE OVER
$(".latest_img").hover(function () {
 
// SET OPACITY TO 85%
$(this).stop().animate({
opacity: 0.85
}, "slow");
},
 
// ON MOUSE OUT
function () {
 
// SET OPACITY BACK TO 100%
$(this).stop().animate({
opacity: 1
}, "slow");
});
});