ffset("wiggle").values(
                    function(d) { return d.values; });
    var width = 270,
            height = 400;

    var xLinear = d3.scale.linear()
            .domain([0, maxX])
            .range([0, width]);

    //.domain([0, d3.max(layers0.concat(layers1), function(layer) { return d3.max(layer, function(d) { return d.y0 + d.y; }); })])
    var yLinear = d3.scale.linear()
            .domain([0, 50000])//function() { return [0, 50000]; })
            .range([height, 0]);

    var yLinear2