diff --git a/phpgwapi/js/jquery/chosen/chosen.jquery.js b/phpgwapi/js/jquery/chosen/chosen.jquery.js
index 00047b697f..21c5c4347c 100644
--- a/phpgwapi/js/jquery/chosen/chosen.jquery.js
+++ b/phpgwapi/js/jquery/chosen/chosen.jquery.js
@@ -457,6 +457,14 @@ Copyright (c) 2011 by Harvest
         });
       }
     };
+    Chosen.prototype.unregister_observers = function() {	 
+      return this.form_field_jq.unbind();	 
+    };	 
+ 	 
+    Chosen.prototype.remove_html = function() {	 
+      this.form_field_jq.show().removeClass('chzn-done');	 
+      return this.container.remove();	 
+    };
 
     Chosen.prototype.search_field_disabled = function() {
       this.is_disabled = this.form_field_jq[0].disabled;
@@ -687,6 +695,13 @@ Copyright (c) 2011 by Harvest
       return this.results_showing = false;
     };
 
+    Chosen.prototype.reset_tab_index = function() {	 
+      var tabbed_item;	 
+      tabbed_item = this.is_multiple ? this.search_field : this.selected_item;	 
+      this.form_field_jq.attr("tabindex",tabbed_item.attr("tabindex"));	 
+      return tabbed_item.attr("tabindex") - 1;	 
+    };
+
     Chosen.prototype.set_tab_index = function(el) {
       var ti;
       if (this.form_field_jq.attr("tabindex")) {
@@ -981,6 +996,12 @@ Copyright (c) 2011 by Harvest
       return this.search_results.find(".no-results").remove();
     };
 
+    Chosen.prototype.remove = function() {	 
+      this.reset_tab_index();	 
+      this.unregister_observers();	 
+      return this.remove_html();	 
+    };
+
     Chosen.prototype.keydown_arrow = function() {
       var first_active, next_sib;
       if (!this.result_highlight) {