$(function() {
// OPACITY OF BUTTON SET TO 50%
$(".container").css("opacity","0.7");
		
// ON MOUSE OVER
$(".container").hover(function () {
										  
// SET OPACITY TO 100%
$(this).stop().animate({
opacity: 1.0
}, "fast");
},
		
// ON MOUSE OUT
function () {
			
// SET OPACITY BACK TO 50%
$(this).stop().animate({
opacity: 0.7
}, "medium");
});
});