add piwik installation

www/analytics/plugins/SEO/javascripts/rank.js

@@ -0,0 +1,31 @@
+/*!
+ * Piwik - Web Analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+$(document).ready(function () {
+    function getRank() {
+        var ajaxRequest = new ajaxHelper();
+        ajaxRequest.setLoadingElement('#ajaxLoadingSEO');
+        ajaxRequest.addParams({
+            module: 'SEO',
+            action: 'getRank',
+            url: encodeURIComponent($('#seoUrl').val())
+        }, 'get');
+        ajaxRequest.setCallback(
+            function (response) {
+                $('#SeoRanks').html(response);
+            }
+        );
+        ajaxRequest.setFormat('html');
+        ajaxRequest.send(false);
+    }
+
+    // click on Rank button
+    $('#rankbutton').on('click', function () {
+        getRank();
+        return false;
+    });
+});