/*jQuery(document).ready(function() {

    var winter = false;
	$('#btn_hiver').click(function(){
		if (winter) {
            $('div[@rel*=picto_hiver]').fadeOut('slow');
			winter = false;
		} else {
			$('div[@rel*=picto_hiver]').fadeIn('slow');
			winter = true;
		}
	});

});*/