select2 with geonames

Present a select2 selection box with a preset geoname

HTML

<input id="location" type="hidden" style="width:95%;"/>

CSS

/*
Version: 3.3.1 Timestamp: Wed Feb 20 09:57:22 PST 2013
*/
 .select2-container {
    position: relative;
    display: inline-block;
    /* inline-block for ie7 */
    zoom: 1;
    *display: inline;
    vertical-align: top;
}
.select2-container, .select2-drop, .select2-search, .select2-search input {
    /*
    Force border-box so that % widths fit the parent
    container without overlap because of margin/padding.

    More Info : http://www.quirksmode.org/css/box.html
  */
    -webkit-box-sizing: border-box;
    /* webkit */
    -khtml-box-sizing: border-box;
    /* konqueror */
    -moz-box-sizing: border-box;
    /* firefox */
    -ms-box-sizing: border-box;
    /* ie */
    box-sizing: border-box;
    /* css3 */
}
.select2-container .select2-choice {
    display: block;
    height: 26px;
    padding: 0 0 0 8px;
    overflow: hidden;
    position: relative;
    border: 1px solid #aaa;
    white-space: nowrap;
    line-height: 26px;
    color: #444;
    text-decoration: none;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    -webkit-background-clip: padding-box;
    -moz-background-clip: padding;
    background-clip: padding-box;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-color: #fff;
    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #eeeeee), color-stop(0.5, white));
    background-image: -webkit-linear-gradient(center bottom, #eeeeee 0%, white 50%);
    background-image: -moz-linear-gradient(center bottom, #eeeeee 0%, white 50%);
    background-image: -o-linear-gradient(bottom, #eeeeee 0%, #ffffff 50%);
    background-image: -ms-linear-gradient(top, #ffffff 0%, #eeeeee 50%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#eeeeee', GradientType=0);
    background-image: linear-gradient(top, #ffffff...

JavaScript

/*
Copyright 2012 Igor Vaynberg

Version: 3.3.1 Timestamp: Wed Feb 20 09:57:22 PST 2013

This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU
General Public License version 2 (the "GPL License"). You may choose either license to govern your
use of this software only upon the condition that you accept all of the terms of either the Apache
License or the GPL License.

You may obtain a copy of the Apache License and the GPL License at:

    http://www.apache.org/licenses/LICENSE-2.0
    http://www.gnu.org/licenses/gpl-2.0.html

Unless required by applicable law or agreed to in writing, software distributed under the
Apache License or the GPL Licesnse is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied. See the Apache License and the GPL License for
the specific language governing permissions and limitations under the Apache License and the GPL License.
*/
(function ($) {
    if (typeof $.fn.each2 == "undefined") {
        $.fn.extend({
            /*
             * 4-10 times faster .each replacement
             * use it carefully, as it overrides jQuery context of element on each iteration
             */
            each2: function (c) {
                var j = $([0]),
                    i = -1,
                    l = this.length;
                while (++i < l && (j.context = j[0] = this[i]) && c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object
                );
                return this;
            }
        });
    }
})(jQuery);

(function ($, undefined) {
    "use strict";
    /*global document, window, jQuery, console */

    if (window.Select2 !== undefined) {
        return;
    }

    var KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer,
    lastMousePosition, $document;

    KEY = {
        TAB: 9,
        ENTER: 13,
        ESC: 27,
        SPACE: 32,
        LEFT: 37,
        UP: 38,
        RIGHT: 39,
       ...