Added query parameter API to plugin server

Change-Id: I8f79aeab8d281ac02f9a1b490351f020556ffcfb
diff --git a/dev/js/src/plugin/server.js b/dev/js/src/plugin/server.js
index cb49364..f862770 100644
--- a/dev/js/src/plugin/server.js
+++ b/dev/js/src/plugin/server.js
@@ -415,7 +415,7 @@
           };
         }
 
-        // Get Query form information
+        // Get Query information from from
         else if (d.key == 'QueryForm') {
           let doc = document;
           let v = d["value"] = {};
@@ -430,6 +430,17 @@
           if (el = KorAP.vc) {
             v["cq"] = el.toQuery();
           };
+        }
+
+        // Get Query information from parameters
+        else if (d.key == 'QueryParam') {
+
+          // Supported in all modern browsers
+          var p = new URLSearchParams(window.location.search);
+          let v = d["value"] = {};
+          v["q"] = p.get('q');
+          v["ql"] = p.get('ql');
+          v["cq"] = p.get('cq');
         };
       };