var curr=0;
var total = 0;
var timer = null;
function progress()
{
    var sid = curr+1;
    if (sid > total-1)
        sid = 0;
    switchTo(sid);
}
function switchTo(next)
{
    $('#content_'+curr).fadeOut('fast',function(){
        $('#content_'+next).fadeIn('fast');
    });
    $('.switcher').attr("style","color:white;");
    $('#switch_'+next).attr("style","background:url('../images/Contenu/bg_current_switch.png') no-repeat scroll center center transparent; color: white;");
    curr = next;
}
$(document).ready(function(){
    total = $('.switcher').length;
    if (total > 1)
    {
        //timer = setInterval("progress()", 7000);
        $('.switcher').click(function(){
            clearInterval(timer);
            var fullid = $(this).attr('id');
            var sid = fullid.substr(7, 1);
            switchTo(sid);
        });
    }
    else
    {
        if (total == 0)
            $('#content_une_bloc').hide();
    }

});