diff --git src/bp-messages/js/autocomplete/jquery.autocomplete.js src/bp-messages/js/autocomplete/jquery.autocomplete.js
index aabee6a..bd473c1 100644
--- src/bp-messages/js/autocomplete/jquery.autocomplete.js
+++ src/bp-messages/js/autocomplete/jquery.autocomplete.js
@@ -9,12 +9,13 @@
  *
  * Revision: $Id: jquery.autocomplete.js 4485 2008-01-20 13:52:47Z joern.zaefferer $
  *
+ * Namespaced for BuddyPress as $.fn.autocompletebp, to avoid conflicts with other autocomplete scripts.
  */
 
 ;(function($) {
 
 $.fn.extend({
-	autocomplete: function(urlOrData, options) {
+	autocompletebp: function(urlOrData, options) {
 		var isUrl = typeof urlOrData == "string";
 		options = $.extend({}, $.Autocompleter.defaults, {
 			url: isUrl ? urlOrData : null,
diff --git src/bp-messages/js/autocomplete/jquery.autocompletefb.js src/bp-messages/js/autocomplete/jquery.autocompletefb.js
index 24d3c62..2da0d3f 100644
--- src/bp-messages/js/autocomplete/jquery.autocompletefb.js
+++ src/bp-messages/js/autocomplete/jquery.autocompletefb.js
@@ -46,7 +46,7 @@ jQuery.fn.autoCompletefb = function(options)
 		acfb.removeFind(this);
 	});
 
-	jQuery(settings.inputClass,tmp).autocomplete(settings.urlLookup,settings.acOptions);
+	jQuery(settings.inputClass,tmp).autocompletebp(settings.urlLookup,settings.acOptions);
 	jQuery(settings.inputClass,tmp).result(function(e,d,f){
 		var f = settings.foundClass.replace(/\./,'');
 		var d = String(d).split(' (');