function onMouseOverBoton(boton){
  boton.className = "botonOver";
}

function onMouseOutBoton(boton){
  boton.className = "boton";
}

function onMouseOverBotonMenu(boton){
  boton.className = "botonOverMenu";
}

function onMouseOutBotonMenu(boton){
  boton.className = "botonMenu";
}

function onMouseOverDesplegable(boton){
  boton.src = "../../images/desplegableOver.png";
}

function onMouseOutDesplegable(boton){
  boton.src = "../../images/desplegable.png";
}

function onMouseOverCal(boton){
  boton.src = "../../images/calendarioOver.png";
}

function onMouseOutCal(boton){
  boton.src = "../../images/calendario.png";
}

function onMouseOverBotonPeq(boton){
  boton.className = "botonPeqOver";
}

function onMouseOutBotonPeq(boton){
  boton.className = "botonPeq";
}