function okno( uri )
{
  NoweOkienko = window.open( uri, 'ToDo','toolbar=no,menubar=no,location=no,personalbar=no,scrollbars=yes,directories=no,status=no,resizable=0,width=450,height=350' );
  NoweOkienko.focus;
}
    
function usunBlok()
{
    
  document.getElementById('con').style.width = (document.getElementById('con').style.width == '1003px' ? '771px' : '1003px');
  document.getElementById('fe').style.display = (document.getElementById('fe').style.display == 'none' ? 'block' : 'none');

 
}