if (data.length == 1) {

            data[0].x = x;

            data[0].y = x;

            data[0].w = w;

            data[0].h = h;

            return;

        }

        if (data.length == 1) {

            data[0].x = x;

            data[0].y = x;

            data[0].w = w;

            data[0].h = h;

            return;

        }

    /* SOURCE : http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript */

    /**

     * Converts an HSV color value to RGB. Conversion formula

     * adapted from http://en.wikipedia.org/wiki/HSV_color_space.

     * Assumes h, s, and v are contained in the set [0, 1] and

     * returns r, g, and b in the set [0, 255].

     *

     * @param   Number  h       The hue

     * @param   Number  s       The saturation

     * @param   Number  v       The value

     * @return  Array           The RGB representation

     */

    function hsvToRgb(h, s, v){

        var r, g, b;

        var i = Math.floor(h * 6);

        var f = h * 6 - i;

        var p = v * (1 - s);

        var q = v * (1 - f * s);

        var t = v * (1 - (1 - f) * s);

        switch(i % 6){

            case 0: r = v, g = t, b = p; break;

            case 1: r = q, g = v, b = p; break;

            case 2: r = p, g = v, b = t; break;

            case 3: r = p, g = q, b = v; break;

            case 4: r = t, g = p, b = v; break;

            case 5: r = v, g = p, b = q; break;

        }

        return _([r * 255, g * 255, b * 255]).map(Math.floor);

    }

    /* Templates des éléments à insérer */

    var articleTemplate = _(

        '<div class="cluster-article" style="position: absolute; left: <%=x%>px; top: <%=y%>px; width: <%=w%>px; height: <%=h%>px; background: <%=color%>">'+

            '<%=label%>'+

        '</div>'

    ).template();

    var clusterTemplate = _( 

//            '<img src="img/home-visuel-<%-i%>.jpg" alt="" />'+

        '<%=articles%>'+

                    '<li><a href="#" title="<%=annotation_count%> Annotations sur ce cluster" class="file"><span><%=annotation_count%></span></a></li>'+

    '</div>'

    ).template();

    var hTreemap = 600;//à définir

    function showResults(results) {

        var data = _(results.clusters).map(function(cluster, i) {

            var hue = (i%6)/6

            return {

                label: cluster.title,

                value: parseFloat(cluster.weight),

                color: "rgb(" + hsvToRgb(hue,.8,.8).join(",") + ")",

                annotation_count: cluster.annotations.length,

                articles: _(cluster.documents).map(function(article, j) {

                    return {

                        label: article.title,

                        value: parseFloat(article.weight),

                        color: "rgb(" + hsvToRgb(hue,.8,.9-.1*(j%6)).join(",") + ")"

                    }

                })

            }

        });

        data _(data).sortBy(function(d) {

            return -d.value;

        });

        squarify(data,0,0,760,hTreemap);

        _(data).each(function(cluster) {

            squarify(cluster.articles, 0, 0, cluster.w, cluster.h);

            _(cluster.articles).sortBy(function(d) {

                return -d.value;

            });

            cluster.articles = _(cluster.articles).reduce(function(mem, a) {

                return mem + articleTemplate(a);

            }, "");

        });

        var treemapHtml = _(data).reduce(function(mem, d) {

            return mem + clusterTemplate(d);

        },"");

        $('#treemap #actus').html(treemapHtml);

    }

    function renderJson(url) {

        $.getJSON(url, showResults);

    }

    renderJson("data/requete.json");

    $(".header-menu a").click(function() {

        if ($(this).text() == "INTERNATIONAL") {

            renderJson("data/requete_filtre_international.json");

        }

        if ($(this).text() == "FRANCE") {

            renderJson("data/requete_filtre_france.json");

        }

        if ($(this).hasClass("home")) {

            renderJson("data/requete.json")

        }

        return false;

    });

/*

     $(".actu").each(function(k,v){

*/