var current = 1;
$(document).ready(function(){
	$("#next").click(function(){
if (current == max)
{
  $("#cadre"+current ).slideToggle();
  $("#cadre1").slideToggle();
  current = 1;
}
else
{
  $("#cadre"+current ).slideToggle();
  $("#cadre"+ (current + 1)).slideToggle();
current += 1;
}
	    });

	$("#prev").click(function(){
if (current == 1)
{
  $("#cadre"+current ).slideToggle();
  $("#cadre"+max).slideToggle();
  current = max;
}
else
{
  $("#cadre"+current ).slideToggle();
  $("#cadre"+ (current - 1)).slideToggle();
current -= 1;
}

	});

});