statistics widget

diff --git a/portal/templates/_widget-stats-top-slices.html b/portal/templates/_widget-stats-top-slices.html
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+++ b/portal/templates/_widget-stats-top-slices.html
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+<script type="text/javascript" src="https://www.google.com/jsapi"></script>
+<script type="text/javascript">
+google.load("visualization", "1.0", {packages:["corechart"]});
+google.setOnLoadCallback(function() {
+       drawChart("cpu");
+});
+function drawChart(orderby) {
+       var options = {
+               'height':280,
+       
+               series: {
+                0: { type: "bar", targetAxisIndex: 0},
+                1: { type: "bar", targetAxisIndex: 0},
+                2: { type: "bar", targetAxisIndex: 1},
+                3: { type: "bar", targetAxisIndex: 1},
+            }
+               };
+       
+       var jsonData = $.ajax({
+            type: 'GET',
+               url: "http://slicestat.onelab.eu/top/slices",
+               dataType: "json",
+               async: false,
+               data: { orderby: orderby },
+            success: function(ret) {
+               var result = [];
+               var data = new google.visualization.DataTable();
+                               data.addColumn('string', 'Slice');
+                               data.addColumn('number', 'CPU (%)');
+                               data.addColumn('number', 'MEM (%)');
+                               data.addColumn('number', 'SND (Kb)');
+                               data.addColumn('number', 'RCV (Kb)');
+                               
+                               $.each(ret, function() {
+                       result.push([this[0] + " | number of nodes: " + this[1], this[2], this[3], this[4], this[5]]);
+                });
+                data.addRows(result);
+
+                               var chart = new google.visualization.ColumnChart(document.getElementById('graph'));
+                               chart.draw(data, options);
+            }
+        }).responseText;
+
+    // var data = google.visualization.arrayToDataTable(obj, false);
+       
+       
+  }
+  $(document).ready(function () {
+       $('a.stats-orderby').click(function(event) {
+               $('a.stats-orderby').removeClass('current');
+               event.preventDefault();
+               drawChart($(this).data('orderby'));
+               $(this).addClass('current');
+       });
+  });
+</script>
+<style>div#graph {margin:0;padding:0;border:0;}</style>
+<div class="stats">
+<div class="container">
+    <div class="row">
+        <div class="col-md-12">
+               <h1>Statistics <span class="htitle">top experiments per resource usage in the last 24 hours</span></h1>
+        </div>
+    </div>
+       <div class="row">
+               <div class="col-md-6">
+                       Order by: 
+                       <a class="stats-orderby current" data-orderby="cpu" href="#">CPU usage</a> -
+                       <a class="stats-orderby" data-orderby="mem" href="#">Memory usage</a> -
+                       <a class="stats-orderby" data-orderby="snd" href="#">Sent traffic</a> -
+                       <a class="stats-orderby" data-orderby="rcv" href="#">Received traffic</a>
+               </div>
+       </div>
+       <div class="row">
+               <div class="col-md-12">
+                       <div id="graph"></div>
+               </div>
+       </div>
+</div>
+</div>
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