$(function() {
// OPACITY OF BUTTON SET TO 50%
$(".langleft,.langright").css("opacity","0.6");
 
// ON MOUSE OVER
$(".langleft,.langright").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: 0.6
}, "slow");
});
});