start = new Date();
start_seconds = start.getTime();
function load()
{
text_before = 'Chargement';
text_after = '';
end = new Date();
end_seconds = end.getTime();
final_seconds = (end_seconds-start_seconds)/1000;
	if(final_seconds <= 1)
        {
        document.getElementById("timezone").innerText = text_before+' '+final_seconds+' seconde '+text_after;
        }
        else
        {
        document.getElementById("timezone").innerText = text_before+' '+final_seconds+' secondes '+text_after;
        }
}