function show_infgeneral()
{
  div1 = document.getElementById('o_infgeneral');
  div2 = document.getElementById('o_dprog');
  div3 = document.getElementById('o_reserva');

  div2.style.display = 'none';
  div3.style.display = 'none';  
  div1.style.display = 'block';
}

function show_dprog()
{
  div1 = document.getElementById('o_infgeneral');
  div2 = document.getElementById('o_dprog');
  div3 = document.getElementById('o_reserva');

  div1.style.display = 'none';
  div3.style.display = 'none';  
  div2.style.display = 'block';
}

function show_reserva()
{
  div1 = document.getElementById('o_infgeneral');
  div2 = document.getElementById('o_dprog');
  div3 = document.getElementById('o_reserva');

  div2.style.display = 'none';
  div1.style.display = 'none';  
  div3.style.display = 'block';
}