Fix timeseries with multiple data - #73

c3.js

@@ -1017,7 +1017,7 @@
                         var x, xKey = getXKey(id);
 
                         if (isTimeSeries) {
-                            x = parseDate(d[xKey]);
+                            x = d[xKey] instanceof Date ? d[xKey] : parseDate(d[xKey]);
                         }
                         else if (isCustomX) {
                             x = d[xKey] ? +d[xKey] : getXValue(id, i);

htdocs/samples/timeseries.html

@@ -6,7 +6,7 @@
     <div id="chart"></div>
 
     <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
-    <script src="/js/c3.min.js"></script>
+    <script src="/js/c3.js"></script>
     <script>
       var chart = c3.generate({
         bindto: '#chart',
@@ -16,7 +16,8 @@
           columns: [
 //            ['x', '2013-01-01', '2013-01-02', '2013-01-03', '2013-01-04', '2013-01-05', '2013-01-06'],
             ['date', '20130101', '20130102', '20130103', '20130104', '20130105', '20130106'],
-            ['sample', 30, 200, 100, 400, 150, 250]
+            ['sample', 30, 200, 100, 400, 150, 250],
+            ['sample2', 130, 300, 200, 450, 250, 350]
           ]
         },
         axis : {