/*
 * jQuery Styled Select Boxes
 * version: 1.0 (2008/10/16)
 * @requires jQuery v1.2.6 or later
 *
 * Examples and documentation at: http://code.google.com/p/lnet/wiki/jQueryStyledSelectOverview
 *
 * Copyright (c) 2008 Lasar Liepins, liepins.org, liepins@gmail.com
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */
jQuery.fn.styledSelect = function (settings) {
    settings = jQuery.extend({
        selectClass: 'styledSelect',
        openSelectClass: 'open',
        optionClass: 'option',
        selectedOptionClass: 'selected',
        closedOptionClass: 'closed',
        firstOptionClass: 'first',
        lastOptionClass: 'last',
        zIndexApply: false,
        zIndexStart: 250
    }, settings);
    var currentZIndex = settings.zIndexStart;
    this.each(function () {
        var s = jQuery(this);
        var cs = jQuery('<div></div>').attr('class', settings.selectClass);
        if (settings.zIndexApply) {
            cs.css('z-index', currentZIndex - 2);
        };
        var csl = jQuery('<ul></li>');
        if (settings.zIndexApply) {
            csl.css('z-index', currentZIndex - 1);
        };
        cs.append(csl);
        s.hide(0).after(cs);
        cs = s.next();
        jQuery('option', s).each(function () {
            if (jQuery(this).attr('value') == undefined) {
                jQuery(this).attr('value', jQuery(this).text());
            }
        });
        var closedSelect = function () {
                jQuery('ul', cs).html('');
                addOption(s.val(), jQuery(':selected', s).text(), clickSelect);
                cs.removeClass(settings.openSelectClass);
                jQuery('ul li', cs).removeClass(settings.selectedOptionClass).removeClass(settings.optionClass).addClass(settings.closedOptionClass);
            };
        var clickSelect = function () {
                jQuery('ul', cs).empty();
                jQuery('option', s).each(function (i) {
                    addOption(jQuery(this).val(), jQuery(this).text(), clickOption);
                });
                cs.addClass(settings.openSelectClass);
                jQuery('ul li:first-child', cs).addClass(settings.firstOptionClass);
                jQuery('ul li:last-child', cs).addClass(settings.lastOptionClass);
            };
        var clickOption = function () {
                var val = jQuery(this).attr('rel');
                s.val(val);
                closedSelect();
            };
        var addOption = function (optVal, optName, callBack) {
                var cso = jQuery('<li></li>').attr('rel', optVal).text(optName).click(callBack).addClass(settings.optionClass);
                if (settings.zIndexApply) {
                    cso.css('z-index', currentZIndex);
                };
                if (s.val() == optVal) {
                    cso.addClass(settings.selectedOptionClass);
                };
                jQuery('ul', cs).append(cso);
            };
        closedSelect();
        s.change(closedSelect);
        currentZIndex -= 3;
    });
    return this;
};