function showSummary()
{
    document.getElementById('summary').style.display='block';
    document.getElementById('summaryctrl').innerHTML='<a href="javascript:hideSummary();void(\'\')">[Masquer]</a>';
}
function hideSummary()
{
    document.getElementById('summary').style.display='none';
    document.getElementById('summaryctrl').innerHTML='<a href="javascript:showSummary();void(\'\')">[Montrer]</a>';
}