$(document).ready(function() {


	 if($("#vignettes").length){
    /*
     * Produits en promotion index
     */
    var promoRel = '';
    var promoAction = 'true';
    var promoLi = 8;
    var promoHaut = $('.cont-vignette ul').height();

    if(promoAction == "true") {
        promoAction = false;
        $('#vignettes ul li').bind("click", function() {
		  promoAction = "false";
            promoRel = $(this).attr('rel');
            $('#panneau li').fadeOut();
            $('#panneau .'+promoRel).fadeIn();
            $('#vignettes ul li').removeClass('on');
            $('#vignettes ul li').addClass('off');
            $(this).addClass('on');
            promoAction = true;
        });
    }

    var promoMarg = $('#vignettes ul').css('margin-top');
    promoMarg = promoMarg.substr(0,promoMarg.length-2);
    var promoMax = promoHaut-280;
    $('.btn-haut').bind("click", function() {
	    
        if (promoMarg>(-promoMax)) {
            promoMarg = promoMarg - 70;
            $('#vignettes ul').css('margin-top',promoMarg+'px');
            $('.btn-bas').css('visibility','visible');
        }
        if (promoMarg==-promoMax) {
            $('.btn-haut').css('visibility','hidden');
        }
    });

    $('.btn-bas').bind("click", function() {
        if ( promoMarg < 0) {
            promoMarg = promoMarg + 70;
            $('#vignettes ul').css('margin-top',promoMarg+'px');
            $('.btn-haut').css('visibility','visible');
        }
        if (promoMarg==0) {
            $('.btn-bas').css('visibility','hidden');
        }
    });
    }

});