function showFullHeader( id ) {
        document.getElementById('err_'+id+'_full').style.display= 'block';
        document.getElementById('err_'+id+'_short').style.display = 'none';
}

function showShortHeader( id ) {
        document.getElementById('err_'+id+'_short').style.display= 'block';
        document.getElementById('err_'+id+'_full').style.display = 'none';
}