diff --git a/guacamole-common-js/src/main/resources/guacamole.js b/guacamole-common-js/src/main/resources/guacamole.js
index 22564b9bc..a1a196062 100644
--- a/guacamole-common-js/src/main/resources/guacamole.js
+++ b/guacamole-common-js/src/main/resources/guacamole.js
@@ -270,6 +270,9 @@ Guacamole.Client = function(tunnel) {
     // No initial buffers
     var buffers = [];
 
+    // No initial parsers
+    var parsers = [];
+
     tunnel.onerror = function(message) {
         if (guac_client.onerror)
             guac_client.onerror(message);
@@ -464,6 +467,21 @@ Guacamole.Client = function(tunnel) {
 
     }
 
+    function getParser(index) {
+
+        var parser = parsers[index];
+
+        // If parser not yet created, create it, and tie to the
+        // oninstruction handler of the tunnel.
+        if (parser == null) {
+            parser = parsers[index] = new Guacamole.Parser();
+            parser.oninstruction = tunnel.oninstruction;
+        }
+
+        return parser;
+
+    }
+
     /**
      * Handlers for all defined layer properties.
      * @private
@@ -747,6 +765,11 @@ Guacamole.Client = function(tunnel) {
             if (guac_client.onname) guac_client.onname(parameters[0]);
         },
 
+        "nest": function(parameters) {
+            var parser = getParser(parseInt(parameters[0]));
+            parser.receive(parameters[1]);
+        },
+
         "png": function(parameters) {
 
             var channelMask = parseInt(parameters[0]);