$(function() {  
 // OPACITY OF BUTTON SET TO 50%  
 $(".sobreletras").css("opacity","0.2");  
  

 // ON MOUSE OVER  
$(".sobreletras").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: 0.2  

 }, "slow");  

 });  

 }); 

/*$(function() {  
 // OPACITY OF BUTTON SET TO 50%  
 $(".medio").css("opacity","0.1");  
  

 // ON MOUSE OVER  
$(".medio").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: 0.1  

 }, "slow");  

 });  

 }); 
*/