diff --git a/hosted/sunspider-1.0.1/driver.html b/hosted/sunspider-1.0.1/driver.html
index 0700bb2..2dde01a 100644
--- a/hosted/sunspider-1.0.1/driver.html
+++ b/hosted/sunspider-1.0.1/driver.html
@@ -103,23 +103,28 @@ function recordResult(time)
 
 function finish()
 {
-    var outputString = "{";
-    outputString += '"v": "sunspider-1.0.1", ';
+    var tests = {};
     for (var test in output[0]) {
-        outputString += '"' + test + '":[';
-        for (var i = 0; i < output.length; i++) {
-            var time = output[i][test];
-            if (time != time)
-                time = "\"NaN\"";
-            outputString += time + ",";
-        }
-        outputString = outputString.substring(0, outputString.length - 1);
-        outputString += "],";
+        var values = new Array(output.length);
+        for (var i = 0; i < output.length; i++)
+            values[i] = output[i][test];
+        tests[test] = {"metrics": {"Time": {"current": [values]}}}
     }
-    outputString = outputString.substring(0, outputString.length - 1);
-    outputString += "}";
 
-    location = "results.html?" + encodeURI(outputString);
+    var results = JSON.stringify({"SunSpider": {"metrics": {"Time": ["Total"]}, "tests": tests}});
+    var xhr = new XMLHttpRequest();
+    xhr.open("POST", "/report");
+    xhr.setRequestHeader("Content-Type", "application/json");
+    xhr.setRequestHeader("Content-Length", results.length);
+    xhr.setRequestHeader("Connection", "close");
+    xhr.onreadystatechange = function() {
+    if(xhr.readyState == XMLHttpRequest.DONE && xhr.status == 200) {
+            closeRequest = new XMLHttpRequest();
+            closeRequest.open("GET", "/shutdown");
+            closeRequest.send();
+        }
+    }
+    xhr.send(results);
 }
 
 </script>