$(document).ready(function(){			 

    //When mouse rolls over
    $(".pecas").mouseover(function(){
        $("#submenu").stop().animate({height:'115px'},{queue:false, duration:600})
    });

    //When mouse is removed
    $(".pecas").mouseout(function(){
        $("#submenu").stop().animate({height:'0px'},{queue:false, duration:600})
    });


});