$(document).ready(function(){
    $('.ls_top li').mouseover(function(){
        if ($(this).attr('class') == 'fechado'){
            $('.ls_top li .top10Foto').hide('fast');
            $('.icoVideo').attr('src', 'imgs/video-da-musica2.gif');
            $('.icoLetra').attr('src', 'imgs/letra-da-musica2.jpg');
            
            $('.ls_top li').stop().animate({
                height: '39px'
            },300, function(){
                $('.ls_top li .top10Texto').show();
            });

            $('.ls_top li.aberto').addClass('fechado');
            $('.ls_top li.aberto').removeClass('aberto');
            
            $(this).removeClass('fechado');
            $(this).addClass('aberto');
           
            $(this).stop().animate({
                height: '96px'
            },300, function(){
                //se nao tem o atributo rel nao troca o icone do video
                if ($(this).children().children().attr('rel') != ''){
                    $(this).children().children().children().attr('src', 'imgs/video-da-musica.gif');
                }
                //se nao tem o atributo rel nao troca o icone do letra
                if ($(this).children().children().next().attr('rel') != ''){
                    $(this).children().children().next().children().attr('src', 'imgs/letra-da-musica.jpg');
                }
                $(this).children().next().hide('fast');
                $(this).children().next().next().fadeIn();
            });
        }
    });
});