$(document).ready(function(){
// OPACITY OF BUTTON SET TO 50%
$(".latest_img").css("opacity","1.0");
		
// ON MOUSE OVER
$(".latest_img").hover(function () {
										  
// SET OPACITY TO 100%
$(this).stop().animate({
	opacity: 0.4 }, 
		 { duration: 200,
		 easing: 'easeOutCubic'
	 });
},
		
// ON MOUSE OUT
function () {
			
// SET OPACITY BACK TO 50%
$(this).stop().animate({
	opacity: 1.0 }, 
		 { duration: 700,
		 easing: 'easeInOutSine'
	 });
});
});