diff --git a/rhodecode/public/js/rhodecode.js b/rhodecode/public/js/rhodecode.js
--- a/rhodecode/public/js/rhodecode.js
+++ b/rhodecode/public/js/rhodecode.js
@@ -609,6 +609,178 @@ var deleteNotification = function(url, n
 };	
 
 
+/** MEMBERS AUTOCOMPLETE WIDGET **/
+
+var MembersAutoComplete = function (users_list, groups_list, group_lbl, members_lbl) {
+    var myUsers = users_list;
+    var myGroups = groups_list;
+
+    // Define a custom search function for the DataSource of users
+    var matchUsers = function (sQuery) {
+            // Case insensitive matching
+            var query = sQuery.toLowerCase();
+            var i = 0;
+            var l = myUsers.length;
+            var matches = [];
+
+            // Match against each name of each contact
+            for (; i < l; i++) {
+                contact = myUsers[i];
+                if ((contact.fname.toLowerCase().indexOf(query) > -1) || (contact.lname.toLowerCase().indexOf(query) > -1) || (contact.nname && (contact.nname.toLowerCase().indexOf(query) > -1))) {
+                    matches[matches.length] = contact;
+                }
+            }
+            return matches;
+        };
+
+    // Define a custom search function for the DataSource of usersGroups
+    var matchGroups = function (sQuery) {
+            // Case insensitive matching
+            var query = sQuery.toLowerCase();
+            var i = 0;
+            var l = myGroups.length;
+            var matches = [];
+
+            // Match against each name of each contact
+            for (; i < l; i++) {
+                matched_group = myGroups[i];
+                if (matched_group.grname.toLowerCase().indexOf(query) > -1) {
+                    matches[matches.length] = matched_group;
+                }
+            }
+            return matches;
+        };
+
+    //match all
+    var matchAll = function (sQuery) {
+            u = matchUsers(sQuery);
+            g = matchGroups(sQuery);
+            return u.concat(g);
+        };
+
+    // DataScheme for members
+    var memberDS = new YAHOO.util.FunctionDataSource(matchAll);
+    memberDS.responseSchema = {
+        fields: ["id", "fname", "lname", "nname", "grname", "grmembers", "gravatar_lnk"]
+    };
+
+    // DataScheme for owner
+    var ownerDS = new YAHOO.util.FunctionDataSource(matchUsers);
+    ownerDS.responseSchema = {
+        fields: ["id", "fname", "lname", "nname", "gravatar_lnk"]
+    };
+
+    // Instantiate AutoComplete for perms
+    var membersAC = new YAHOO.widget.AutoComplete("perm_new_member_name", "perm_container", memberDS);
+    membersAC.useShadow = false;
+    membersAC.resultTypeList = false;
+
+    // Instantiate AutoComplete for owner
+    var ownerAC = new YAHOO.widget.AutoComplete("user", "owner_container", ownerDS);
+    ownerAC.useShadow = false;
+    ownerAC.resultTypeList = false;
+
+
+    // Helper highlight function for the formatter
+    var highlightMatch = function (full, snippet, matchindex) {
+            return full.substring(0, matchindex) 
+            + "<span class='match'>" 
+            + full.substr(matchindex, snippet.length) 
+            + "</span>" + full.substring(matchindex + snippet.length);
+        };
+
+    // Custom formatter to highlight the matching letters
+    var custom_formatter = function (oResultData, sQuery, sResultMatch) {
+            var query = sQuery.toLowerCase();
+            var _gravatar = function(res, em, group){
+            	if (group !== undefined){
+            		em = '/images/icons/group.png'
+            	}
+            	tmpl = '<img class="perm-gravatar-ac" src="{0}"/>{1}'
+            	return tmpl.format(em,res)
+            }
+            // group
+            if (oResultData.grname != undefined) {
+                var grname = oResultData.grname;
+                var grmembers = oResultData.grmembers;
+                var grnameMatchIndex = grname.toLowerCase().indexOf(query);
+                var grprefix = "{0}: ".format(group_lbl);
+                var grsuffix = " (" + grmembers + "  )";
+                var grsuffix = " ({0}  {1})".format(grmembers, members_lbl);
+
+                if (grnameMatchIndex > -1) {
+                    return _gravatar(grprefix + highlightMatch(grname, query, grnameMatchIndex) + grsuffix,null,true);
+                }
+			    return _gravatar(grprefix + oResultData.grname + grsuffix, null,true);
+            // Users
+            } else if (oResultData.fname != undefined) {
+                var fname = oResultData.fname,
+                    lname = oResultData.lname,
+                    nname = oResultData.nname || "",
+                    // Guard against null value
+                    fnameMatchIndex = fname.toLowerCase().indexOf(query),
+                    lnameMatchIndex = lname.toLowerCase().indexOf(query),
+                    nnameMatchIndex = nname.toLowerCase().indexOf(query),
+                    displayfname, displaylname, displaynname;
+
+                if (fnameMatchIndex > -1) {
+                    displayfname = highlightMatch(fname, query, fnameMatchIndex);
+                } else {
+                    displayfname = fname;
+                }
+
+                if (lnameMatchIndex > -1) {
+                    displaylname = highlightMatch(lname, query, lnameMatchIndex);
+                } else {
+                    displaylname = lname;
+                }
+
+                if (nnameMatchIndex > -1) {
+                    displaynname = "(" + highlightMatch(nname, query, nnameMatchIndex) + ")";
+                } else {
+                    displaynname = nname ? "(" + nname + ")" : "";
+                }
+
+                return _gravatar(displayfname + " " + displaylname + " " + displaynname, oResultData.gravatar_lnk);
+            } else {
+                return '';
+            }
+        };
+    membersAC.formatResult = custom_formatter;
+    ownerAC.formatResult = custom_formatter;
+
+    var myHandler = function (sType, aArgs) {
+
+            var myAC = aArgs[0]; // reference back to the AC instance
+            var elLI = aArgs[1]; // reference to the selected LI element
+            var oData = aArgs[2]; // object literal of selected item's result data
+            //fill the autocomplete with value
+            if (oData.nname != undefined) {
+                //users
+                myAC.getInputEl().value = oData.nname;
+                YUD.get('perm_new_member_type').value = 'user';
+            } else {
+                //groups
+                myAC.getInputEl().value = oData.grname;
+                YUD.get('perm_new_member_type').value = 'users_group';
+            }
+        };
+
+    membersAC.itemSelectEvent.subscribe(myHandler);
+    if(ownerAC.itemSelectEvent){
+    	ownerAC.itemSelectEvent.subscribe(myHandler);
+    }
+
+    return {
+        memberDS: memberDS,
+        ownerDS: ownerDS,
+        membersAC: membersAC,
+        ownerAC: ownerAC,
+    };
+}
+
+
+
 /**
  * QUICK REPO MENU
  */