diff --git a/app/assets/javascripts/desktop.js b/app/assets/javascripts/desktop.js
index c4f95055..c55534a4 100644
--- a/app/assets/javascripts/desktop.js
+++ b/app/assets/javascripts/desktop.js
@@ -16,3 +16,4 @@
 //= require orbitdesktop
 //= require jquery.gridster
 //= require desktop/books_pages
+//= require jquery.tokeninput
diff --git a/app/assets/javascripts/jquery.tokeninput.js b/app/assets/javascripts/jquery.tokeninput.js
new file mode 100644
index 00000000..830e982f
--- /dev/null
+++ b/app/assets/javascripts/jquery.tokeninput.js
@@ -0,0 +1,1043 @@
+/*
+ * jQuery Plugin: Tokenizing Autocomplete Text Entry
+ * Version 1.6.1
+ *
+ * Copyright (c) 2009 James Smith (http://loopj.com)
+ * Licensed jointly under the GPL and MIT licenses,
+ * choose which one suits your project best!
+ *
+ */
+
+(function ($) {
+// Default settings
+var DEFAULT_SETTINGS = {
+    // Search settings
+    method: "GET",
+    queryParam: "q",
+    searchDelay: 300,
+    minChars: 1,
+    propertyToSearch: "name",
+    jsonContainer: null,
+    contentType: "json",
+
+    // Prepopulation settings
+    prePopulate: null,
+    processPrePopulate: false,
+
+    // Display settings
+    hintText: "Type in a search term",
+    noResultsText: "No results",
+    searchingText: "Searching...",
+    deleteText: "×",
+    animateDropdown: true,
+    placeholder: null,
+    theme: null,
+    zindex: 999,
+    resultsLimit: null,
+
+    enableHTML: false,
+
+    resultsFormatter: function(item) {
+      var string = item[this.propertyToSearch];
+      return "<li>" + (this.enableHTML ? string : _escapeHTML(string)) + "</li>";
+    },
+
+    tokenFormatter: function(item) {
+      var string = item[this.propertyToSearch];
+      return "<li><p>" + (this.enableHTML ? string : _escapeHTML(string)) + "</p></li>";
+    },
+
+    // Tokenization settings
+    tokenLimit: null,
+    tokenDelimiter: ",",
+    preventDuplicates: false,
+    tokenValue: "id",
+
+    // Behavioral settings
+    allowFreeTagging: false,
+    allowTabOut: false,
+
+    // Callbacks
+    onResult: null,
+    onCachedResult: null,
+    onAdd: null,
+    onFreeTaggingAdd: null,
+    onDelete: null,
+    onReady: null,
+
+    // Other settings
+    idPrefix: "token-input-",
+
+    // Keep track if the input is currently in disabled mode
+    disabled: false
+};
+
+// Default classes to use when theming
+var DEFAULT_CLASSES = {
+    tokenList: "token-input-list",
+    token: "token-input-token",
+    tokenReadOnly: "token-input-token-readonly",
+    tokenDelete: "token-input-delete-token",
+    selectedToken: "token-input-selected-token",
+    highlightedToken: "token-input-highlighted-token",
+    dropdown: "token-input-dropdown",
+    dropdownItem: "token-input-dropdown-item",
+    dropdownItem2: "token-input-dropdown-item2",
+    selectedDropdownItem: "token-input-selected-dropdown-item",
+    inputToken: "token-input-input-token",
+    focused: "token-input-focused",
+    disabled: "token-input-disabled"
+};
+
+// Input box position "enum"
+var POSITION = {
+    BEFORE: 0,
+    AFTER: 1,
+    END: 2
+};
+
+// Keys "enum"
+var KEY = {
+    BACKSPACE: 8,
+    TAB: 9,
+    ENTER: 13,
+    ESCAPE: 27,
+    SPACE: 32,
+    PAGE_UP: 33,
+    PAGE_DOWN: 34,
+    END: 35,
+    HOME: 36,
+    LEFT: 37,
+    UP: 38,
+    RIGHT: 39,
+    DOWN: 40,
+    NUMPAD_ENTER: 108,
+    COMMA: 188
+};
+
+var HTML_ESCAPES = {
+  '&': '&amp;',
+  '<': '&lt;',
+  '>': '&gt;',
+  '"': '&quot;',
+  "'": '&#x27;',
+  '/': '&#x2F;'
+};
+
+var HTML_ESCAPE_CHARS = /[&<>"'\/]/g;
+
+function coerceToString(val) {
+  return String((val === null || val === undefined) ? '' : val);
+}
+
+function _escapeHTML(text) {
+  return coerceToString(text).replace(HTML_ESCAPE_CHARS, function(match) {
+    return HTML_ESCAPES[match];
+  });
+}
+
+// Additional public (exposed) methods
+var methods = {
+    init: function(url_or_data_or_function, options) {
+        var settings = $.extend({}, DEFAULT_SETTINGS, options || {});
+
+        return this.each(function () {
+            $(this).data("settings", settings);
+            $(this).data("tokenInputObject", new $.TokenList(this, url_or_data_or_function, settings));
+        });
+    },
+    clear: function() {
+        this.data("tokenInputObject").clear();
+        return this;
+    },
+    add: function(item) {
+        this.data("tokenInputObject").add(item);
+        return this;
+    },
+    remove: function(item) {
+        this.data("tokenInputObject").remove(item);
+        return this;
+    },
+    get: function() {
+        return this.data("tokenInputObject").getTokens();
+    },
+    toggleDisabled: function(disable) {
+        this.data("tokenInputObject").toggleDisabled(disable);
+        return this;
+    },
+    setOptions: function(options){
+        $(this).data("settings", $.extend({}, $(this).data("settings"), options || {}));
+        return this;
+    }
+};
+
+// Expose the .tokenInput function to jQuery as a plugin
+$.fn.tokenInput = function (method) {
+    // Method calling and initialization logic
+    if(methods[method]) {
+        return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
+    } else {
+        return methods.init.apply(this, arguments);
+    }
+};
+
+// TokenList class for each input
+$.TokenList = function (input, url_or_data, settings) {
+    //
+    // Initialization
+    //
+
+    // Configure the data source
+    if($.type(url_or_data) === "string" || $.type(url_or_data) === "function") {
+        // Set the url to query against
+        $(input).data("settings").url = url_or_data;
+
+        // If the URL is a function, evaluate it here to do our initalization work
+        var url = computeURL();
+
+        // Make a smart guess about cross-domain if it wasn't explicitly specified
+        if($(input).data("settings").crossDomain === undefined && typeof url === "string") {
+            if(url.indexOf("://") === -1) {
+                $(input).data("settings").crossDomain = false;
+            } else {
+                $(input).data("settings").crossDomain = (location.href.split(/\/+/g)[1] !== url.split(/\/+/g)[1]);
+            }
+        }
+    } else if(typeof(url_or_data) === "object") {
+        // Set the local data to search through
+        $(input).data("settings").local_data = url_or_data;
+    }
+
+    // Build class names
+    if($(input).data("settings").classes) {
+        // Use custom class names
+        $(input).data("settings").classes = $.extend({}, DEFAULT_CLASSES, $(input).data("settings").classes);
+    } else if($(input).data("settings").theme) {
+        // Use theme-suffixed default class names
+        $(input).data("settings").classes = {};
+        $.each(DEFAULT_CLASSES, function(key, value) {
+            $(input).data("settings").classes[key] = value + "-" + $(input).data("settings").theme;
+        });
+    } else {
+        $(input).data("settings").classes = DEFAULT_CLASSES;
+    }
+
+
+    // Save the tokens
+    var saved_tokens = [];
+
+    // Keep track of the number of tokens in the list
+    var token_count = 0;
+
+    // Basic cache to save on db hits
+    var cache = new $.TokenList.Cache();
+
+    // Keep track of the timeout, old vals
+    var timeout;
+    var input_val;
+
+    // Create a new text input an attach keyup events
+    var input_box = $("<input type=\"text\"  autocomplete=\"off\" autocapitalize=\"off\">")
+        .css({
+            outline: "none"
+        })
+        .attr("id", $(input).data("settings").idPrefix + input.id)
+        .focus(function () {
+            if ($(input).data("settings").disabled) {
+                return false;
+            } else
+            if ($(input).data("settings").tokenLimit === null || $(input).data("settings").tokenLimit !== token_count) {
+                show_dropdown_hint();
+            }
+            token_list.addClass($(input).data("settings").classes.focused);
+        })
+        .blur(function () {
+            hide_dropdown();
+
+            if ($(input).data("settings").allowFreeTagging) {
+              add_freetagging_tokens();
+            }
+
+            $(this).val("");
+            token_list.removeClass($(input).data("settings").classes.focused);
+        })
+        .bind("keyup keydown blur update", resize_input)
+        .keydown(function (event) {
+            var previous_token;
+            var next_token;
+
+            switch(event.keyCode) {
+                case KEY.LEFT:
+                case KEY.RIGHT:
+                case KEY.UP:
+                case KEY.DOWN:
+                    if(!$(this).val()) {
+                        previous_token = input_token.prev();
+                        next_token = input_token.next();
+
+                        if((previous_token.length && previous_token.get(0) === selected_token) || (next_token.length && next_token.get(0) === selected_token)) {
+                            // Check if there is a previous/next token and it is selected
+                            if(event.keyCode === KEY.LEFT || event.keyCode === KEY.UP) {
+                                deselect_token($(selected_token), POSITION.BEFORE);
+                            } else {
+                                deselect_token($(selected_token), POSITION.AFTER);
+                            }
+                        } else if((event.keyCode === KEY.LEFT || event.keyCode === KEY.UP) && previous_token.length) {
+                            // We are moving left, select the previous token if it exists
+                            select_token($(previous_token.get(0)));
+                        } else if((event.keyCode === KEY.RIGHT || event.keyCode === KEY.DOWN) && next_token.length) {
+                            // We are moving right, select the next token if it exists
+                            select_token($(next_token.get(0)));
+                        }
+                    } else {
+                        var dropdown_item = null;
+
+                        if(event.keyCode === KEY.DOWN || event.keyCode === KEY.RIGHT) {
+                            dropdown_item = $(selected_dropdown_item).next();
+                        } else {
+                            dropdown_item = $(selected_dropdown_item).prev();
+                        }
+
+                        if(dropdown_item.length) {
+                            select_dropdown_item(dropdown_item);
+                        }
+                    }
+                    return false;
+                    break;
+
+                case KEY.BACKSPACE:
+                    previous_token = input_token.prev();
+
+                    if(!$(this).val().length) {
+                        if(selected_token) {
+                            delete_token($(selected_token));
+                            hidden_input.change();
+                        } else if(previous_token.length) {
+                            select_token($(previous_token.get(0)));
+                        }
+
+                        return false;
+                    } else if($(this).val().length === 1) {
+                        hide_dropdown();
+                    } else {
+                        // set a timeout just long enough to let this function finish.
+                        setTimeout(function(){do_search();}, 5);
+                    }
+                    break;
+
+                case KEY.TAB:
+                case KEY.ENTER:
+                case KEY.NUMPAD_ENTER:
+                case KEY.COMMA:
+                  if(selected_dropdown_item) {
+                    add_token($(selected_dropdown_item).data("tokeninput"));
+                    hidden_input.change();
+                  } else {
+                    if ($(input).data("settings").allowFreeTagging) {
+                      if($(input).data("settings").allowTabOut && $(this).val() === "") {
+                        return true;
+                      } else {
+                        add_freetagging_tokens();
+                      }
+                    } else {
+                      $(this).val("");
+                      if($(input).data("settings").allowTabOut) {
+                        return true;
+                      }
+                    }
+                    event.stopPropagation();
+                    event.preventDefault();
+                  }
+                  return false;
+
+                case KEY.ESCAPE:
+                  hide_dropdown();
+                  return true;
+
+                default:
+                    if(String.fromCharCode(event.which)) {
+                        // set a timeout just long enough to let this function finish.
+                        setTimeout(function(){do_search();}, 5);
+                    }
+                    break;
+            }
+        });
+
+    // Keep reference for placeholder
+    if (settings.placeholder)
+        input_box.attr("placeholder", settings.placeholder)
+
+    // Keep a reference to the original input box
+    var hidden_input = $(input)
+                           .hide()
+                           .val("")
+                           .focus(function () {
+                               focus_with_timeout(input_box);
+                           })
+                           .blur(function () {
+                               input_box.blur();
+                           });
+
+    // Keep a reference to the selected token and dropdown item
+    var selected_token = null;
+    var selected_token_index = 0;
+    var selected_dropdown_item = null;
+
+    // The list to store the token items in
+    var token_list = $("<ul />")
+        .addClass($(input).data("settings").classes.tokenList)
+        .click(function (event) {
+            var li = $(event.target).closest("li");
+            if(li && li.get(0) && $.data(li.get(0), "tokeninput")) {
+                toggle_select_token(li);
+            } else {
+                // Deselect selected token
+                if(selected_token) {
+                    deselect_token($(selected_token), POSITION.END);
+                }
+
+                // Focus input box
+                focus_with_timeout(input_box);
+            }
+        })
+        .mouseover(function (event) {
+            var li = $(event.target).closest("li");
+            if(li && selected_token !== this) {
+                li.addClass($(input).data("settings").classes.highlightedToken);
+            }
+        })
+        .mouseout(function (event) {
+            var li = $(event.target).closest("li");
+            if(li && selected_token !== this) {
+                li.removeClass($(input).data("settings").classes.highlightedToken);
+            }
+        })
+        .insertBefore(hidden_input);
+
+    // The token holding the input box
+    var input_token = $("<li />")
+        .addClass($(input).data("settings").classes.inputToken)
+        .appendTo(token_list)
+        .append(input_box);
+
+    // The list to store the dropdown items in
+    var dropdown = $("<div>")
+        .addClass($(input).data("settings").classes.dropdown)
+        .appendTo("body")
+        .hide();
+
+    // Magic element to help us resize the text input
+    var input_resizer = $("<tester/>")
+        .insertAfter(input_box)
+        .css({
+            position: "absolute",
+            top: -9999,
+            left: -9999,
+            width: "auto",
+            fontSize: input_box.css("fontSize"),
+            fontFamily: input_box.css("fontFamily"),
+            fontWeight: input_box.css("fontWeight"),
+            letterSpacing: input_box.css("letterSpacing"),
+            whiteSpace: "nowrap"
+        });
+
+    // Pre-populate list if items exist
+    hidden_input.val("");
+    var li_data = $(input).data("settings").prePopulate || hidden_input.data("pre");
+    if($(input).data("settings").processPrePopulate && $.isFunction($(input).data("settings").onResult)) {
+        li_data = $(input).data("settings").onResult.call(hidden_input, li_data);
+    }
+    if(li_data && li_data.length) {
+        $.each(li_data, function (index, value) {
+            insert_token(value);
+            checkTokenLimit();
+            input_box.attr("placeholder", null)
+        });
+    }
+
+    // Check if widget should initialize as disabled
+    if ($(input).data("settings").disabled) {
+        toggleDisabled(true);
+    }
+
+    // Initialization is done
+    if($.isFunction($(input).data("settings").onReady)) {
+        $(input).data("settings").onReady.call();
+    }
+
+    //
+    // Public functions
+    //
+
+    this.clear = function() {
+        token_list.children("li").each(function() {
+            if ($(this).children("input").length === 0) {
+                delete_token($(this));
+            }
+        });
+    };
+
+    this.add = function(item) {
+        add_token(item);
+    };
+
+    this.remove = function(item) {
+        token_list.children("li").each(function() {
+            if ($(this).children("input").length === 0) {
+                var currToken = $(this).data("tokeninput");
+                var match = true;
+                for (var prop in item) {
+                    if (item[prop] !== currToken[prop]) {
+                        match = false;
+                        break;
+                    }
+                }
+                if (match) {
+                    delete_token($(this));
+                }
+            }
+        });
+    };
+
+    this.getTokens = function() {
+        return saved_tokens;
+    };
+
+    this.toggleDisabled = function(disable) {
+        toggleDisabled(disable);
+    };
+
+    // Resize input to maximum width so the placeholder can be seen
+    resize_input();
+
+    //
+    // Private functions
+    //
+
+    function escapeHTML(text) {
+      return $(input).data("settings").enableHTML ? text : _escapeHTML(text);
+    }
+
+    // Toggles the widget between enabled and disabled state, or according
+    // to the [disable] parameter.
+    function toggleDisabled(disable) {
+        if (typeof disable === 'boolean') {
+            $(input).data("settings").disabled = disable
+        } else {
+            $(input).data("settings").disabled = !$(input).data("settings").disabled;
+        }
+        input_box.attr('disabled', $(input).data("settings").disabled);
+        token_list.toggleClass($(input).data("settings").classes.disabled, $(input).data("settings").disabled);
+        // if there is any token selected we deselect it
+        if(selected_token) {
+            deselect_token($(selected_token), POSITION.END);
+        }
+        hidden_input.attr('disabled', $(input).data("settings").disabled);
+    }
+
+    function checkTokenLimit() {
+        if($(input).data("settings").tokenLimit !== null && token_count >= $(input).data("settings").tokenLimit) {
+            input_box.hide();
+            hide_dropdown();
+            return;
+        }
+    }
+
+    function resize_input() {
+        if(input_val === (input_val = input_box.val())) {return;}
+
+        // Get width left on the current line
+        var width_left = token_list.width() - input_box.offset().left - token_list.offset().left;
+        // Enter new content into resizer and resize input accordingly
+        input_resizer.html(_escapeHTML(input_val));
+        // Get maximum width, minimum the size of input and maximum the widget's width
+        input_box.width(Math.min(token_list.width(),
+                                 Math.max(width_left, input_resizer.width() + 30)));
+    }
+
+    function is_printable_character(keycode) {
+        return ((keycode >= 48 && keycode <= 90) ||     // 0-1a-z
+                (keycode >= 96 && keycode <= 111) ||    // numpad 0-9 + - / * .
+                (keycode >= 186 && keycode <= 192) ||   // ; = , - . / ^
+                (keycode >= 219 && keycode <= 222));    // ( \ ) '
+    }
+
+    function add_freetagging_tokens() {
+        var value = $.trim(input_box.val());
+        var tokens = value.split($(input).data("settings").tokenDelimiter);
+        $.each(tokens, function(i, token) {
+          if (!token) {
+            return;
+          }
+
+          if ($.isFunction($(input).data("settings").onFreeTaggingAdd)) {
+            token = $(input).data("settings").onFreeTaggingAdd.call(hidden_input, token);
+          }
+          var object = {};
+          object[$(input).data("settings").tokenValue] = object[$(input).data("settings").propertyToSearch] = token;
+          add_token(object);
+        });
+    }
+
+    // Inner function to a token to the list
+    function insert_token(item) {
+        var $this_token = $($(input).data("settings").tokenFormatter(item));
+        var readonly = item.readonly === true ? true : false;
+
+        if(readonly) $this_token.addClass($(input).data("settings").classes.tokenReadOnly);
+
+        $this_token.addClass($(input).data("settings").classes.token).insertBefore(input_token);
+
+        // The 'delete token' button
+        if(!readonly) {
+          $("<span>" + $(input).data("settings").deleteText + "</span>")
+              .addClass($(input).data("settings").classes.tokenDelete)
+              .appendTo($this_token)
+              .click(function () {
+                  if (!$(input).data("settings").disabled) {
+                      delete_token($(this).parent());
+                      hidden_input.change();
+                      return false;
+                  }
+              });
+        }
+
+        // Store data on the token
+        var token_data = item;
+        $.data($this_token.get(0), "tokeninput", item);
+
+        // Save this token for duplicate checking
+        saved_tokens = saved_tokens.slice(0,selected_token_index).concat([token_data]).concat(saved_tokens.slice(selected_token_index));
+        selected_token_index++;
+
+        // Update the hidden input
+        update_hidden_input(saved_tokens, hidden_input);
+
+        token_count += 1;
+
+        // Check the token limit
+        if($(input).data("settings").tokenLimit !== null && token_count >= $(input).data("settings").tokenLimit) {
+            input_box.hide();
+            hide_dropdown();
+        }
+
+        return $this_token;
+    }
+
+    // Add a token to the token list based on user input
+    function add_token (item) {
+        var callback = $(input).data("settings").onAdd;
+
+        // See if the token already exists and select it if we don't want duplicates
+        if(token_count > 0 && $(input).data("settings").preventDuplicates) {
+            var found_existing_token = null;
+            token_list.children().each(function () {
+                var existing_token = $(this);
+                var existing_data = $.data(existing_token.get(0), "tokeninput");
+                if(existing_data && existing_data[settings.tokenValue] === item[settings.tokenValue]) {
+                    found_existing_token = existing_token;
+                    return false;
+                }
+            });
+
+            if(found_existing_token) {
+                select_token(found_existing_token);
+                input_token.insertAfter(found_existing_token);
+                focus_with_timeout(input_box);
+                return;
+            }
+        }
+
+        // Squeeze input_box so we force no unnecessary line break
+        input_box.width(0);
+
+        // Insert the new tokens
+        if($(input).data("settings").tokenLimit == null || token_count < $(input).data("settings").tokenLimit) {
+            insert_token(item);
+            // Remove the placeholder so it's not seen after you've added a token
+            input_box.attr("placeholder", null)
+            checkTokenLimit();
+        }
+
+        // Clear input box
+        input_box.val("");
+
+        // Don't show the help dropdown, they've got the idea
+        hide_dropdown();
+
+        // Execute the onAdd callback if defined
+        if($.isFunction(callback)) {
+            callback.call(hidden_input,item);
+        }
+    }
+
+    // Select a token in the token list
+    function select_token (token) {
+        if (!$(input).data("settings").disabled) {
+            token.addClass($(input).data("settings").classes.selectedToken);
+            selected_token = token.get(0);
+
+            // Hide input box
+            input_box.val("");
+
+            // Hide dropdown if it is visible (eg if we clicked to select token)
+            hide_dropdown();
+        }
+    }
+
+    // Deselect a token in the token list
+    function deselect_token (token, position) {
+        token.removeClass($(input).data("settings").classes.selectedToken);
+        selected_token = null;
+
+        if(position === POSITION.BEFORE) {
+            input_token.insertBefore(token);
+            selected_token_index--;
+        } else if(position === POSITION.AFTER) {
+            input_token.insertAfter(token);
+            selected_token_index++;
+        } else {
+            input_token.appendTo(token_list);
+            selected_token_index = token_count;
+        }
+
+        // Show the input box and give it focus again
+        focus_with_timeout(input_box);
+    }
+
+    // Toggle selection of a token in the token list
+    function toggle_select_token(token) {
+        var previous_selected_token = selected_token;
+
+        if(selected_token) {
+            deselect_token($(selected_token), POSITION.END);
+        }
+
+        if(previous_selected_token === token.get(0)) {
+            deselect_token(token, POSITION.END);
+        } else {
+            select_token(token);
+        }
+    }
+
+    // Delete a token from the token list
+    function delete_token (token) {
+        // Remove the id from the saved list
+        var token_data = $.data(token.get(0), "tokeninput");
+        var callback = $(input).data("settings").onDelete;
+
+        var index = token.prevAll().length;
+        if(index > selected_token_index) index--;
+
+        // Delete the token
+        token.remove();
+        selected_token = null;
+
+        // Show the input box and give it focus again
+        focus_with_timeout(input_box);
+
+        // Remove this token from the saved list
+        saved_tokens = saved_tokens.slice(0,index).concat(saved_tokens.slice(index+1));
+        if (saved_tokens.length == 0) {
+            input_box.attr("placeholder", settings.placeholder)
+        }
+        if(index < selected_token_index) selected_token_index--;
+
+        // Update the hidden input
+        update_hidden_input(saved_tokens, hidden_input);
+
+        token_count -= 1;
+
+        if($(input).data("settings").tokenLimit !== null) {
+            input_box
+                .show()
+                .val("");
+            focus_with_timeout(input_box);
+        }
+
+        // Execute the onDelete callback if defined
+        if($.isFunction(callback)) {
+            callback.call(hidden_input,token_data);
+        }
+    }
+
+    // Update the hidden input box value
+    function update_hidden_input(saved_tokens, hidden_input) {
+        var token_values = $.map(saved_tokens, function (el) {
+            if(typeof $(input).data("settings").tokenValue == 'function')
+              return $(input).data("settings").tokenValue.call(this, el);
+
+            return el[$(input).data("settings").tokenValue];
+        });
+        hidden_input.val(token_values.join($(input).data("settings").tokenDelimiter));
+
+    }
+
+    // Hide and clear the results dropdown
+    function hide_dropdown () {
+        dropdown.hide().empty();
+        selected_dropdown_item = null;
+    }
+
+    function show_dropdown() {
+        dropdown
+            .css({
+                position: "absolute",
+                top: $(token_list).offset().top + $(token_list).height(),
+                left: $(token_list).offset().left,
+                width: $(token_list).width(),
+                'z-index': $(input).data("settings").zindex
+            })
+            .show();
+    }
+
+    function show_dropdown_searching () {
+        if($(input).data("settings").searchingText) {
+            dropdown.html("<p>" + escapeHTML($(input).data("settings").searchingText) + "</p>");
+            show_dropdown();
+        }
+    }
+
+    function show_dropdown_hint () {
+        if($(input).data("settings").hintText) {
+            dropdown.html("<p>" + escapeHTML($(input).data("settings").hintText) + "</p>");
+            show_dropdown();
+        }
+    }
+
+    var regexp_special_chars = new RegExp('[.\\\\+*?\\[\\^\\]$(){}=!<>|:\\-]', 'g');
+    function regexp_escape(term) {
+        return term.replace(regexp_special_chars, '\\$&');
+    }
+
+    // Highlight the query part of the search term
+    function highlight_term(value, term) {
+        return value.replace(
+          new RegExp(
+            "(?![^&;]+;)(?!<[^<>]*)(" + regexp_escape(term) + ")(?![^<>]*>)(?![^&;]+;)",
+            "gi"
+          ), function(match, p1) {
+            return "<b>" + escapeHTML(p1) + "</b>";
+          }
+        );
+    }
+
+    function find_value_and_highlight_term(template, value, term) {
+        return template.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + regexp_escape(value) + ")(?![^<>]*>)(?![^&;]+;)", "g"), highlight_term(value, term));
+    }
+
+    // Populate the results dropdown with some results
+    function populate_dropdown (query, results) {
+        if(results && results.length) {
+            dropdown.empty();
+            var dropdown_ul = $("<ul>")
+                .appendTo(dropdown)
+                .mouseover(function (event) {
+                    select_dropdown_item($(event.target).closest("li"));
+                })
+                .mousedown(function (event) {
+                    add_token($(event.target).closest("li").data("tokeninput"));
+                    hidden_input.change();
+                    return false;
+                })
+                .hide();
+
+            if ($(input).data("settings").resultsLimit && results.length > $(input).data("settings").resultsLimit) {
+                results = results.slice(0, $(input).data("settings").resultsLimit);
+            }
+
+            $.each(results, function(index, value) {
+                var this_li = $(input).data("settings").resultsFormatter(value);
+
+                this_li = find_value_and_highlight_term(this_li ,value[$(input).data("settings").propertyToSearch], query);
+
+                this_li = $(this_li).appendTo(dropdown_ul);
+
+                if(index % 2) {
+                    this_li.addClass($(input).data("settings").classes.dropdownItem);
+                } else {
+                    this_li.addClass($(input).data("settings").classes.dropdownItem2);
+                }
+
+                if(index === 0) {
+                    select_dropdown_item(this_li);
+                }
+
+                $.data(this_li.get(0), "tokeninput", value);
+            });
+
+            show_dropdown();
+
+            if($(input).data("settings").animateDropdown) {
+                dropdown_ul.slideDown("fast");
+            } else {
+                dropdown_ul.show();
+            }
+        } else {
+            if($(input).data("settings").noResultsText) {
+                dropdown.html("<p>" + escapeHTML($(input).data("settings").noResultsText) + "</p>");
+                show_dropdown();
+            }
+        }
+    }
+
+    // Highlight an item in the results dropdown
+    function select_dropdown_item (item) {
+        if(item) {
+            if(selected_dropdown_item) {
+                deselect_dropdown_item($(selected_dropdown_item));
+            }
+
+            item.addClass($(input).data("settings").classes.selectedDropdownItem);
+            selected_dropdown_item = item.get(0);
+        }
+    }
+
+    // Remove highlighting from an item in the results dropdown
+    function deselect_dropdown_item (item) {
+        item.removeClass($(input).data("settings").classes.selectedDropdownItem);
+        selected_dropdown_item = null;
+    }
+
+    // Do a search and show the "searching" dropdown if the input is longer
+    // than $(input).data("settings").minChars
+    function do_search() {
+        var query = input_box.val();
+
+        if(query && query.length) {
+            if(selected_token) {
+                deselect_token($(selected_token), POSITION.AFTER);
+            }
+
+            if(query.length >= $(input).data("settings").minChars) {
+                show_dropdown_searching();
+                clearTimeout(timeout);
+
+                timeout = setTimeout(function(){
+                    run_search(query);
+                }, $(input).data("settings").searchDelay);
+            } else {
+                hide_dropdown();
+            }
+        }
+    }
+
+    // Do the actual search
+    function run_search(query) {
+        var cache_key = query + computeURL();
+        var cached_results = cache.get(cache_key);
+        if(cached_results) {
+            if ($.isFunction($(input).data("settings").onCachedResult)) {
+              cached_results = $(input).data("settings").onCachedResult.call(hidden_input, cached_results);
+            }
+            populate_dropdown(query, cached_results);
+        } else {
+            // Are we doing an ajax search or local data search?
+            if($(input).data("settings").url) {
+                var url = computeURL();
+                // Extract exisiting get params
+                var ajax_params = {};
+                ajax_params.data = {};
+                if(url.indexOf("?") > -1) {
+                    var parts = url.split("?");
+                    ajax_params.url = parts[0];
+
+                    var param_array = parts[1].split("&");
+                    $.each(param_array, function (index, value) {
+                        var kv = value.split("=");
+                        ajax_params.data[kv[0]] = kv[1];
+                    });
+                } else {
+                    ajax_params.url = url;
+                }
+
+                // Prepare the request
+                ajax_params.data[$(input).data("settings").queryParam] = query;
+                ajax_params.type = $(input).data("settings").method;
+                ajax_params.dataType = $(input).data("settings").contentType;
+                if($(input).data("settings").crossDomain) {
+                    ajax_params.dataType = "jsonp";
+                }
+
+                // Attach the success callback
+                ajax_params.success = function(results) {
+                  cache.add(cache_key, $(input).data("settings").jsonContainer ? results[$(input).data("settings").jsonContainer] : results);
+                  if($.isFunction($(input).data("settings").onResult)) {
+                      results = $(input).data("settings").onResult.call(hidden_input, results);
+                  }
+
+                  // only populate the dropdown if the results are associated with the active search query
+                  if(input_box.val() === query) {
+                      populate_dropdown(query, $(input).data("settings").jsonContainer ? results[$(input).data("settings").jsonContainer] : results);
+                  }
+                };
+
+                // Make the request
+                $.ajax(ajax_params);
+            } else if($(input).data("settings").local_data) {
+                // Do the search through local data
+                var results = $.grep($(input).data("settings").local_data, function (row) {
+                    return row[$(input).data("settings").propertyToSearch].toLowerCase().indexOf(query.toLowerCase()) > -1;
+                });
+
+                cache.add(cache_key, results);
+                if($.isFunction($(input).data("settings").onResult)) {
+                    results = $(input).data("settings").onResult.call(hidden_input, results);
+                }
+                populate_dropdown(query, results);
+            }
+        }
+    }
+
+    // compute the dynamic URL
+    function computeURL() {
+        var url = $(input).data("settings").url;
+        if(typeof $(input).data("settings").url == 'function') {
+            url = $(input).data("settings").url.call($(input).data("settings"));
+        }
+        return url;
+    }
+
+    // Bring browser focus to the specified object.
+    // Use of setTimeout is to get around an IE bug.
+    // (See, e.g., http://stackoverflow.com/questions/2600186/focus-doesnt-work-in-ie)
+    //
+    // obj: a jQuery object to focus()
+    function focus_with_timeout(obj) {
+        setTimeout(function() { obj.focus(); }, 50);
+    }
+
+};
+
+// Really basic cache for the results
+$.TokenList.Cache = function (options) {
+    var settings = $.extend({
+        max_size: 500
+    }, options);
+
+    var data = {};
+    var size = 0;
+
+    var flush = function () {
+        data = {};
+        size = 0;
+    };
+
+    this.add = function (query, results) {
+        if(size > settings.max_size) {
+            flush();
+        }
+
+        if(!data[query]) {
+            size += 1;
+        }
+
+        data[query] = results;
+    };
+
+    this.get = function (query) {
+        return data[query];
+    };
+};
+}(jQuery));
+
diff --git a/app/assets/stylesheets/token-input-facebook.css b/app/assets/stylesheets/token-input-facebook.css
new file mode 100644
index 00000000..5ddde0ce
--- /dev/null
+++ b/app/assets/stylesheets/token-input-facebook.css
@@ -0,0 +1,122 @@
+/* Example tokeninput style #2: Facebook style */
+ul.token-input-list-facebook {
+    overflow: hidden; 
+    height: auto !important; 
+    height: 1%;
+    width: 400px;
+    border: 1px solid #8496ba;
+    cursor: text;
+    font-size: 12px;
+    font-family: Verdana, sans-serif;
+    min-height: 1px;
+    z-index: 999;
+    margin: 0;
+    padding: 0;
+    background-color: #fff;
+    list-style-type: none;
+    clear: left;
+}
+
+ul.token-input-list-facebook li input {
+    border: 0;
+    width: 100px;
+    padding: 3px 8px;
+    background-color: white;
+    margin: 2px 0;
+    -webkit-appearance: caret;
+}
+
+li.token-input-token-facebook {
+    overflow: hidden; 
+    height: auto !important; 
+    height: 15px;
+    margin: 3px;
+    padding: 1px 3px;
+    background-color: #eff2f7;
+    color: #000;
+    cursor: default;
+    border: 1px solid #ccd5e4;
+    font-size: 11px;
+    border-radius: 5px;
+    -moz-border-radius: 5px;
+    -webkit-border-radius: 5px;
+    float: left;
+    white-space: nowrap;
+}
+
+li.token-input-token-facebook p {
+    display: inline;
+    padding: 0;
+    margin: 0;
+}
+
+li.token-input-token-facebook span {
+    color: #a6b3cf;
+    margin-left: 5px;
+    font-weight: bold;
+    cursor: pointer;
+}
+
+li.token-input-selected-token-facebook {
+    background-color: #5670a6;
+    border: 1px solid #3b5998;
+    color: #fff;
+}
+
+li.token-input-input-token-facebook {
+    float: left;
+    margin: 0;
+    padding: 0;
+    list-style-type: none;
+}
+
+div.token-input-dropdown-facebook {
+    position: absolute;
+    width: 400px;
+    background-color: #fff;
+    overflow: hidden;
+    border-left: 1px solid #ccc;
+    border-right: 1px solid #ccc;
+    border-bottom: 1px solid #ccc;
+    cursor: default;
+    font-size: 11px;
+    font-family: Verdana, sans-serif;
+    z-index: 1;
+}
+
+div.token-input-dropdown-facebook p {
+    margin: 0;
+    padding: 5px;
+    font-weight: bold;
+    color: #777;
+}
+
+div.token-input-dropdown-facebook ul {
+    margin: 0;
+    padding: 0;
+}
+
+div.token-input-dropdown-facebook ul li {
+    background-color: #fff;
+    padding: 3px;
+    margin: 0;
+    list-style-type: none;
+}
+
+div.token-input-dropdown-facebook ul li.token-input-dropdown-item-facebook {
+    background-color: #fff;
+}
+
+div.token-input-dropdown-facebook ul li.token-input-dropdown-item2-facebook {
+    background-color: #fff;
+}
+
+div.token-input-dropdown-facebook ul li em {
+    font-weight: bold;
+    font-style: normal;
+}
+
+div.token-input-dropdown-facebook ul li.token-input-selected-dropdown-item-facebook {
+    background-color: #3b5998;
+    color: #fff;
+}
\ No newline at end of file
diff --git a/app/assets/stylesheets/token-input-mac.css b/app/assets/stylesheets/token-input-mac.css
new file mode 100644
index 00000000..1d712312
--- /dev/null
+++ b/app/assets/stylesheets/token-input-mac.css
@@ -0,0 +1,204 @@
+/* Example tokeninput style #2: Mac Style */
+fieldset.token-input-mac {
+  position: relative;
+  padding: 0;
+  margin: 5px 0;
+  background: #fff;
+  width: 400px;
+  border: 1px solid #A4BDEC;
+  border-radius: 10px;
+  -moz-border-radius: 10px;
+  -webkit-border-radius: 10px;
+}
+
+fieldset.token-input-mac.token-input-dropdown-mac {
+  border-radius: 10px 10px 0 0;
+  -moz-border-radius: 10px 10px 0 0;
+  -webkit-border-radius: 10px 10px 0 0;
+  box-shadow: 0 5px 20px 0 rgba(0,0,0,0.25);
+  -moz-box-shadow: 0 5px 20px 0 rgba(0,0,0,0.25);
+  -webkit-box-shadow: 0 5px 20px 0 rgba(0,0,0,0.25);
+}
+
+ul.token-input-list-mac {
+    overflow: hidden; 
+    height: auto !important; 
+    height: 1%;
+    cursor: text;
+    font-size: 12px;
+    font-family: Verdana, sans-serif;
+    min-height: 1px;
+    z-index: 999;
+    margin: 0;
+    padding: 3px;
+    background: transparent;
+}
+
+ul.token-input-list-mac.error {
+  border: 1px solid #C52020;
+}
+
+ul.token-input-list-mac li {
+    list-style-type: none;
+}
+
+li.token-input-token-mac p {
+    display: inline;
+    padding: 0;
+    margin: 0;
+}
+
+li.token-input-token-mac span {
+    color: #a6b3cf;
+    margin-left: 5px;
+    font-weight: bold;
+    cursor: pointer;
+}
+
+/* TOKENS */
+
+li.token-input-token-mac {
+    font-family: "Lucida Grande", Arial, sans-serif;
+    font-size: 9pt;
+    line-height: 12pt;
+    overflow: hidden; 
+    height: 16px; 
+    margin: 3px;
+    padding: 0 10px;   
+    background: none; 
+    background-color: #dee7f8;
+    color: #000;
+    cursor: default;
+    border: 1px solid #a4bdec;
+    border-radius: 15px;
+    -moz-border-radius: 15px;
+    -webkit-border-radius: 15px;
+    float: left;
+}
+
+li.token-input-highlighted-token-mac {
+    background-color: #bbcef1;
+    border: 1px solid #598bec;
+    color: #000;
+}
+
+li.token-input-selected-token-mac {
+    background-color: #598bec;
+    border: 1px solid transparent;
+    color: #fff;
+}
+
+li.token-input-highlighted-token-mac span.token-input-delete-token-mac {
+    color: #000;
+}
+
+li.token-input-selected-token-mac span.token-input-delete-token-mac {
+    color: #fff;
+}
+
+li.token-input-input-token-mac {
+    border: none;
+    background: transparent;
+    float: left;
+    padding: 0;
+    margin: 0;
+}
+
+li.token-input-input-token-mac input {
+  border: 0;
+  width: 100px;
+  padding: 3px;
+  background-color: transparent;
+  margin: 0;
+}
+
+div.token-input-dropdown-mac {
+    position: absolute;
+    border: 1px solid #A4BDEC;
+    border-top: none;
+    left: -1px;
+    right: -1px;
+    background-color: #fff;
+    overflow: hidden;
+    cursor: default;
+    font-size: 10pt;
+    font-family: "Lucida Grande", Arial, sans-serif;
+    padding: 5px;
+    border-radius: 0 0 10px 10px;
+    -moz-border-radius: 0 0 10px 10px;
+    -webkit-border-radius: 0 0 10px 10px;
+    box-shadow: 0 5px 20px 0 rgba(0,0,0,0.25);
+    -moz-box-shadow: 0 5px 20px 0 rgba(0,0,0,0.25);
+    -webkit-box-shadow: 0 5px 20px 0 rgba(0,0,0,0.25);
+    clip:rect(0px, 1000px, 1000px, -10px);
+}
+
+div.token-input-dropdown-mac p {
+    font-size: 8pt;
+    margin: 0;
+    padding: 0 5px;
+    font-style: italic;
+    color: #aaa;
+}
+
+div.token-input-dropdown-mac h3.token-input-dropdown-category-mac {
+  font-family: "Lucida Grande", Arial, sans-serif;
+  font-size: 10pt;
+  font-weight: bold;
+  border: none;
+  padding: 0 5px;
+  margin: 0;
+}
+
+div.token-input-dropdown-mac ul {
+    margin: 0;
+    padding: 0;
+}
+
+div.token-input-dropdown-mac ul li {
+    list-style-type: none;
+    cursor: pointer;
+    background: none;
+    background-color: #fff;
+    margin: 0;
+    padding: 0 0 0 25px;
+}
+
+div.token-input-dropdown-mac ul li.token-input-dropdown-item-mac {
+    background-color: #fff;
+}
+
+div.token-input-dropdown-mac ul li.token-input-dropdown-item-mac.odd {
+    background-color: #ECF4F9;
+    border-radius: 15px;
+    -moz-border-radius: 15px;
+    -webkit-border-radius: 15px;
+}
+
+div.token-input-dropdown-mac ul li.token-input-dropdown-item-mac span.token-input-dropdown-item-description-mac {
+    float: right;
+    font-size: 8pt;
+    font-style: italic;
+    padding: 0 10px 0 0;
+    color: #999;
+}
+
+div.token-input-dropdown-mac ul li strong {
+    font-weight: bold;
+    text-decoration: underline;
+    font-style: none;
+}
+
+div.token-input-dropdown-mac ul li.token-input-selected-dropdown-item-mac,
+div.token-input-dropdown-mac ul li.token-input-selected-dropdown-item-mac.odd {
+    background-color: #598bec;
+    color: #fff;
+    border-radius: 15px;
+    -moz-border-radius: 15px;
+    -webkit-border-radius: 15px;
+}
+
+div.token-input-dropdown-mac ul li.token-input-selected-dropdown-item-mac span.token-input-dropdown-item-description-mac,
+div.token-input-dropdown-mac ul li.token-input-selected-dropdown-item-mac.odd span.token-input-dropdown-item-description-mac {
+    color: #fff;
+}
diff --git a/app/assets/stylesheets/token-input.css b/app/assets/stylesheets/token-input.css
new file mode 100644
index 00000000..003f5848
--- /dev/null
+++ b/app/assets/stylesheets/token-input.css
@@ -0,0 +1,127 @@
+/* Example tokeninput style #1: Token vertical list*/
+ul.token-input-list {
+    overflow: hidden; 
+    height: auto !important; 
+    height: 1%;
+    width: 400px;
+    border: 1px solid #999;
+    cursor: text;
+    font-size: 12px;
+    font-family: Verdana, sans-serif;
+    z-index: 999;
+    margin: 0;
+    padding: 0;
+    background-color: #fff;
+    list-style-type: none;
+    clear: left;
+}
+
+ul.token-input-list li {
+    list-style-type: none;
+}
+
+ul.token-input-list li input {
+    border: 0;
+    width: 350px;
+    padding: 3px 8px;
+    background-color: white;
+    -webkit-appearance: caret;
+}
+
+ul.token-input-disabled,
+ul.token-input-disabled li input {
+  background-color: #E8E8E8;
+}
+
+ul.token-input-disabled li.token-input-token {
+  background-color: #D9E3CA;
+  color: #7D7D7D
+}
+
+ul.token-input-disabled li.token-input-token span {
+  color: #CFCFCF;
+  cursor: default;
+}
+
+li.token-input-token {
+    overflow: hidden; 
+    height: auto !important; 
+    height: 1%;
+    margin: 3px;
+    padding: 3px 5px;
+    background-color: #d0efa0;
+    color: #000;
+    font-weight: bold;
+    cursor: default;
+    display: block;
+}
+
+li.token-input-token p {
+    float: left;
+    padding: 0;
+    margin: 0;
+}
+
+li.token-input-token span {
+    float: right;
+    color: #777;
+    cursor: pointer;
+}
+
+li.token-input-selected-token {
+    background-color: #08844e;
+    color: #fff;
+}
+
+li.token-input-selected-token span {
+    color: #bbb;
+}
+
+div.token-input-dropdown {
+    position: absolute;
+    width: 400px;
+    background-color: #fff;
+    overflow: hidden;
+    border-left: 1px solid #ccc;
+    border-right: 1px solid #ccc;
+    border-bottom: 1px solid #ccc;
+    cursor: default;
+    font-size: 12px;
+    font-family: Verdana, sans-serif;
+    z-index: 1;
+}
+
+div.token-input-dropdown p {
+    margin: 0;
+    padding: 5px;
+    font-weight: bold;
+    color: #777;
+}
+
+div.token-input-dropdown ul {
+    margin: 0;
+    padding: 0;
+}
+
+div.token-input-dropdown ul li {
+    background-color: #fff;
+    padding: 3px;
+    list-style-type: none;
+}
+
+div.token-input-dropdown ul li.token-input-dropdown-item {
+    background-color: #fafafa;
+}
+
+div.token-input-dropdown ul li.token-input-dropdown-item2 {
+    background-color: #fff;
+}
+
+div.token-input-dropdown ul li em {
+    font-weight: bold;
+    font-style: normal;
+}
+
+div.token-input-dropdown ul li.token-input-selected-dropdown-item {
+    background-color: #d0efa0;
+}
diff --git a/vendor/built_in_modules/personal_conference/app/controllers/panel/personal_conference/desktop/conference_pages_controller.rb b/vendor/built_in_modules/personal_conference/app/controllers/panel/personal_conference/desktop/conference_pages_controller.rb
index 2021e94e..2c4f7cb5 100644
--- a/vendor/built_in_modules/personal_conference/app/controllers/panel/personal_conference/desktop/conference_pages_controller.rb
+++ b/vendor/built_in_modules/personal_conference/app/controllers/panel/personal_conference/desktop/conference_pages_controller.rb
@@ -23,13 +23,21 @@ class Panel::PersonalConference::Desktop::ConferencePagesController < Applicatio
     @writing_conference = WritingConference.new
     @paper_types = ConferencePaperType.all
     @author_types = ConferenceAuthorType.all
-    #@co_author_candidate =
-    #  CoAuthor.where(name_id: current_user.id).map{|c|c.co_author}
-    #@conference_candidate =
-    #  WritingConference.where(create_user_id: current_user.id).map{|j|j.conference_title}.uniq
+
+    if (not params[:q].nil?) and (current_user.name.include?params[:q])
+      @user = [{ :id => 0, :name => current_user.name}]       # self account name
+    else
+      @user = []
+    end
+
+    @co_authors = ConferenceCoAuthor.where(name_id: current_user.id, :co_author => /#{params[:q]}/)
+    @co_authors = [{ :id => params[:q], :name => params[:q] }] +               # search string
+                  @user                                        +               # self account name
+                  @co_authors.map{|m| { :id => m.id, :name => m.co_author } }  # match pattern
 
     respond_to do |format|
       format.html { render :layout => false}
+      format.json { render :json => @co_authors.to_json }
     end
   end
 
diff --git a/vendor/built_in_modules/personal_conference/app/helpers/panel/personal_conference/desktop/conference_pages_helper.rb b/vendor/built_in_modules/personal_conference/app/helpers/panel/personal_conference/desktop/conference_pages_helper.rb
index afff7344..8fb62cef 100644
--- a/vendor/built_in_modules/personal_conference/app/helpers/panel/personal_conference/desktop/conference_pages_helper.rb
+++ b/vendor/built_in_modules/personal_conference/app/helpers/panel/personal_conference/desktop/conference_pages_helper.rb
@@ -71,4 +71,16 @@ module Panel::PersonalConference::Desktop::ConferencePagesHelper
       file_type = ""
     end
   end
+
+  def generate_authors_name ids
+    author_name = ids.map{|m|
+      if m == "0"
+        {:id => 0, :name => current_user.name}
+      else
+        {:id => m, :name => ConferenceCoAuthor.find(m).co_author}
+      end
+    }
+
+    author_name.to_json
+  end
 end
diff --git a/vendor/built_in_modules/personal_conference/app/models/conference_co_author.rb b/vendor/built_in_modules/personal_conference/app/models/conference_co_author.rb
index 71e5b17f..1f0db884 100644
--- a/vendor/built_in_modules/personal_conference/app/models/conference_co_author.rb
+++ b/vendor/built_in_modules/personal_conference/app/models/conference_co_author.rb
@@ -3,11 +3,12 @@ class ConferenceCoAuthor
 
   LANGUAGE_TYPES = [ "English", "Chinese" ]
 
-  field :name_id, type: BSON::ObjectId
+  field :name_id, type: BSON::ObjectId # this is author
   field :co_author, localize: true
   field :email
 
   belongs_to :conference_co_author_relations
+  has_and_belongs_to_many :writing_conferences
 
   VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/
   validates :email, format: { with: VALID_EMAIL_REGEX },
diff --git a/vendor/built_in_modules/personal_conference/app/models/writing_conference.rb b/vendor/built_in_modules/personal_conference/app/models/writing_conference.rb
index 9248c977..c74eccbc 100644
--- a/vendor/built_in_modules/personal_conference/app/models/writing_conference.rb
+++ b/vendor/built_in_modules/personal_conference/app/models/writing_conference.rb
@@ -16,6 +16,7 @@ class WritingConference
   has_and_belongs_to_many :tags, :class_name => "PersonalConferenceTag"
   has_and_belongs_to_many :conference_author_types
   has_and_belongs_to_many :conference_paper_types
+  has_and_belongs_to_many :conference_co_authors
 
   field :year
   field :language
@@ -43,6 +44,25 @@ class WritingConference
   after_save :save_writing_conference_files
   validates :url, :format => /^(http|https):\/\/(([a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5})|((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))(:[0-9]{1,5})?(\/.*)?/i, :unless => Proc.new{self.url.blank?}
 
+  attr_reader :author_tokens
+
+  def author_tokens=(ids)
+    authors_ids = ids.split(",").map{|id|
+      begin
+        ConferenceCoAuthor.find(m).id
+      rescue
+        if id != "0"
+          new_co_author = ConferenceCoAuthor.new(:co_author => id, :name_id => create_user_id)
+          new_co_author.save
+          new_co_author.id
+        else
+          id
+        end
+      end
+    }
+    self.conference_co_author_ids = authors_ids
+  end
+
   def self.search( category_id = nil )
     if category_id.to_s.size > 0
       find(:all, :conditions => {writing_conference_category_id: category_id}).desc( :is_top, :title )
diff --git a/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_pages/_form.html.erb b/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_pages/_form.html.erb
index fd6e59c9..7a1c958c 100644
--- a/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_pages/_form.html.erb
+++ b/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_pages/_form.html.erb
@@ -104,14 +104,20 @@
         <div class="s_grid_con s_form">
           <ul>
             <li class="s_grid_row">
-            <%= f.fields_for :authors_translations do |f| %>
-              <%= f.text_area locale,
+            <%= f.label :author_tokens, t("personal_conference.authors") %><br />
+            <%= f.text_area :author_tokens,
+              class: "s_grid_6 s_grid",
+              size: "20x2",
+              placeholder: t("personal_conference.authors"),
+              "data-pre" => generate_authors_name(@writing_conference.conference_co_author_ids) %>
+            <%#= f.fields_for :authors_translations do |f| %>
+              <%#= f.text_area locale,
                 class: "s_grid_6 s_grid",
                 size: "20x2",
                 placeholder: t("personal_conference.authors"),
-                #                "autocomplete-list" => "coauthor_autocomplete_list",
+              #                  "autocomplete-list" => "coauthor_autocomplete_list",
                 value:  (@writing_conference.authors_translations[locale.to_s] rescue nil) %>
-            <% end %>
+            <%# end %>
             <span class="icon-plus input_append"></span>
             </li>
 
@@ -194,6 +200,23 @@
     </div>
   </div>
 
+<%= stylesheet_link_tag "token-input-facebook" %>
+<%= javascript_include_tag :defaults, "jquery.tokeninput" %>
+
+
+<script>
+$(function() {
+  $("#writing_conference_author_tokens").tokenInput("/panel/personal_conference/desktop/conference_pages/new.json", {
+    crossDomain: false,
+    prePopulate: $("#writing_conference_author_tokens").data("pre"),
+    theme: "facebook",
+    hintText: "<%=t("hintText")%>",
+    noResultsText: "<%=t("noResultsText")%>",
+    searchingText: "<%=t("searchingText")%>"
+  });
+});
+</script>
+
 <script type="text/javascript">
   orbitDesktop.prototype.initializeJournalPapers.conference_title_autocomplete_list = <%= @conference_candidate.to_json.html_safe   %>; 
   orbitDesktop.prototype.initializeJournalPapers.coauthor_autocomplete_list = <%= @co_author_candidate.to_json.html_safe  %>;
diff --git a/vendor/built_in_modules/personal_conference/config/locales/en.yml b/vendor/built_in_modules/personal_conference/config/locales/en.yml
index b137de64..5fb77c18 100644
--- a/vendor/built_in_modules/personal_conference/config/locales/en.yml
+++ b/vendor/built_in_modules/personal_conference/config/locales/en.yml
@@ -41,6 +41,9 @@ en:
   no_: "No"
   cancel : "Cancel"
   save: "save"
+  hintText: "Type in a search term"
+  noResultsText: "No results"
+  searchingText: "Searching…"
 
   error_msg:
     time_series_illegal: "must be before end time"
diff --git a/vendor/built_in_modules/personal_conference/config/locales/zh_tw.yml b/vendor/built_in_modules/personal_conference/config/locales/zh_tw.yml
index 6d10cf65..177f9c03 100644
--- a/vendor/built_in_modules/personal_conference/config/locales/zh_tw.yml
+++ b/vendor/built_in_modules/personal_conference/config/locales/zh_tw.yml
@@ -41,6 +41,9 @@ zh_tw:
   no_: "否"
   cancel : "取消"
   save: "儲存"
+  hintText: "請輸入搜尋關鍵字"
+  noResultsText: "沒有相關的比對結果"
+  searchingText: "搜尋中…"
 
   error_msg:
     time_series_illegal: "啟始時間必須早於結束時間"