Polls charts

<!DOCTYPE html>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.2/journal/bootstrap.min.css">

var doublebarchart = [{
        "data": [
            {"name":"ANO","value":0.31, "value_old": 0.1865, "color": "#abc", "id": "ano", "legend_small": " ±7%"},
            {"name":"ČSSD","value": 0.28, "value_old": 0.2045, "color": "orange", "id":"cssd", "legend_small": " ±6%"},
            {"name":"KSČM","value":0.115, "value_old": 0.1491, "color": "red", "id": "kscm", "legend_small": " ±4%"},
            {"name":"TOP 09","value":0.075, "value_old": 0.1199, "color": "#808", "legend_small": " ±3.5%"},
            {"name":"KDU-ČSL","value":0.06, "value_old": 0.0678, "color": "gold", "legend_small": " ±3.5%"},
            {"name":"ODS","value":0.05, "value_old": 0.0772, "color": "blue", "legend_small": " ±3%"},
            {"name":"Piráti","value":0.03, "value_old": 0.0266, "color": "black", "legend_small": " ±3%"},
            {"name": "Úsvit", "value": 0.025, "value_old": 0.0688, "color": "pink", "legend_small": " ±3%"},
            {"name": "Zelení", "value": 0.025, "value_old": 0.0319, "color": "green", "legend_small": " ±3%"},
            {"name": "Ostatní", "value": 0.03, "color": "gray"}
            
        ],
        "size": {"width": width, "height": height},
        "margin": margin,
        "threshold": 0.05
    }];
    
     var svg = d3.select("#chart")
        .append("svg")
        .attr("width", width + margin.left + margin.right)
        .attr("height", height + margin.top + margin.bottom)
        .call(responsivefy);

var dbc = d3.doublebarchart()
        .data(function(d) {return d.data})
        .size(function(d) {return d.size})
        .threshold(function(d) {return d.threshold})
        ;

var bar = svg.selectAll(".barchart")
        .data(doublebarchart)
      .enter()
        .append("svg:g")
        .attr("transform", "translate(" + doublebarchart[0].margin.left + "," + doublebarchart[0].margin.top + ")")
        .call(dbc);
        
</script>

Modified http://d3js.org/d3.v3.min.js to a secure url

https://d3js.org/d3.v3.min.js