/* ---------------------------------------------
expandAll v.1.3.8
http://www.adipalaz.com/experiments/jquery/expand.html
Requires: jQuery v1.3+
Copyright (c) 2009 Adriana Palazova
Dual licensed under the MIT (http://www.adipalaz.com/docs/mit-license.txt) and GPL (http://www.adipalaz.com/docs/gpl-license.txt) licenses
------------------------------------------------ */
(function ($) {
    $.fn.expandAll = function (options) {
        var o = $.extend({}, $.fn.expandAll.defaults, options);

        return this.each(function (index) {
            var $$ = $(this), $referent, $sw, $cllps, $tr, container, toggleTxt, toggleClass;

            // --- functions:
            (o.switchPosition == 'before') ? ($.fn.findSibling = $.fn.prev, $.fn.insrt = $.fn.before) : ($.fn.findSibling = $.fn.next, $.fn.insrt = $.fn.after);

            // --- var container 
            if (this.id.length) {
                container = '#' + this.id;
            } else if (this.className.length) {
                container = this.tagName.toLowerCase() + '.' + this.className.split(' ').join('.');
            } else { container = this.tagName.toLowerCase(); }

            // --- var $referent
            if (o.ref && $$.find(o.ref).length) {
                (o.switchPosition == 'before') ? $referent = $$.find("'" + o.ref + ":first'") : $referent = $$.find("'" + o.ref + ":last'");
            } else { return; }

            // end the script if the length of the collapsible element isn't long enough.  
            if (o.cllpsLength && $$.closest(container).find(o.cllpsEl).text().length < o.cllpsLength) { $$.closest(container).find(o.cllpsEl).addClass('dont_touch'); return; }

            // --- if expandAll() claims initial state = hidden:
            (o.initTxt == 'show') ? (toggleTxt = o.expTxt, toggleClass = '') : (toggleTxt = o.cllpsTxt, toggleClass = 'open');
            if (o.state == 'hidden') {
                $$.find(o.cllpsEl + ':not(.shown, .dont_touch)').hide().findSibling().find('> a.open').removeClass('open');
            } else {
                $$.find(o.cllpsEl).show().findSibling().find('> a').addClass('open');
            }

            (o.oneSwitch) ? ($referent.insrt('<p class="switch"><a href="#" class="' + toggleClass + '">' + toggleTxt + '</a></p>')) :
          ($referent.insrt('<p class="switch"><a href="#" class="">' + o.expTxt + '</a>&nbsp;|&nbsp;<a href="#" class="open">' + o.cllpsTxt + '</a></p>'));

            // --- var $sw, $cllps, $tr :
            $sw = $referent.findSibling('p').find('a');
            $cllps = $$.closest(container).find(o.cllpsEl).not('.dont_touch');
            $tr = (o.trigger) ? $$.closest(container).find(o.trigger + ' > a') : $$.closest(container).find('.expand > a');

            if (o.child) {
                $$.find(o.cllpsEl + '.shown').show().findSibling().find('> a').addClass('open').text(o.cllpsTxt);
                window.$vrbls = { kt1: o.expTxt, kt2: o.cllpsTxt };
            }

            var scrollElem;
            (typeof scrollableElement == 'function') ? (scrollElem = scrollableElement('html', 'body')) : (scrollElem = 'html, body');

            $sw.click(function () {
                var $switch = $(this),
                $c = $switch.closest(container).find(o.cllpsEl + ':first'),
                cOffset = $c.offset().top;
                if (o.parent) {
                    var $swChildren = $switch.parent().nextAll().children('p.switch').find('a');
                    kidTxt1 = $vrbls.kt1, kidTxt2 = $vrbls.kt2,
                  kidTxt = ($switch.text() == o.expTxt) ? kidTxt2 : kidTxt1;
                    $swChildren.text(kidTxt);
                    if ($switch.text() == o.expTxt) { $swChildren.addClass('open'); } else { $swChildren.removeClass('open'); }
                }
                if ($switch.text() == o.expTxt) {
                    if (o.oneSwitch) { $switch.text(o.cllpsTxt).attr('class', 'open'); }
                    $tr.addClass('open');
                    $cllps[o.showMethod](o.speed);
                } else {
                    if (o.oneSwitch) { $switch.text(o.expTxt).attr('class', ''); }
                    $tr.removeClass('open');
                    if (o.speed == 0 || o.instantHide) { $cllps.hide(); } else { $cllps[o.hideMethod](o.speed); }
                    if (o.scroll && cOffset < $(window).scrollTop()) { $(scrollElem).animate({ scrollTop: cOffset }, 600); }
                }
                return false;
            });
            /* -----------------------------------------------
            To save file size, feel free to remove the following code if you don't use the option: 'localLinks: true'
            -------------------------------------------------- */
            if (o.localLinks) {
                var localLink = $(container).find(o.localLinks);
                if (localLink.length) {
                    // based on http://www.learningjquery.com/2007/10/improved-animated-scrolling-script-for-same-page-links:
                    $(localLink).click(function () {
                        var $target = $(this.hash);
                        $target = $target.length && $target || $('[name=' + this.hash.slice(1) + ']');
                        if ($target.length) {
                            var tOffset = $target.offset().top;
                            $(scrollElem).animate({ scrollTop: tOffset }, 600);
                            return false;
                        }
                    });
                }
            }
            /* -----------------------------------------------
            Feel free to remove the following function if you don't use the options: 'localLinks: true' or 'scroll: true'
            -------------------------------------------------- */
            //http://www.learningjquery.com/2007/10/improved-animated-scrolling-script-for-same-page-links:
            function scrollableElement(els) {
                for (var i = 0, argLength = arguments.length; i < argLength; i++) {
                    var el = arguments[i],
                $scrollElement = $(el);
                    if ($scrollElement.scrollTop() > 0) {
                        return el;
                    } else {
                        $scrollElement.scrollTop(1);
                        var isScrollable = $scrollElement.scrollTop() > 0;
                        $scrollElement.scrollTop(0);
                        if (isScrollable) {
                            return el;
                        }
                    }
                };
                return [];
            };
            /* --- end of the optional code --- */
        });
    };
    $.fn.expandAll.defaults = {
        state: 'shown', // If 'hidden', the collapsible elements are hidden by default, else they are expanded by default 
        initTxt: 'show', // 'show' - if the initial text of the switch is for expanding, 'hide' - if the initial text of the switch is for collapsing
        expTxt: 'Show', // the text of the switch for expanding
        cllpsTxt: 'Collapse', // the text of the switch for collapsing
        oneSwitch: true, // true or false - whether both [Expand All] and [Collapse All] are shown, or they swap
        ref: '.expand', // the switch 'Expand All/Collapse All' is inserted in regards to the element specified by 'ref'
        switchPosition: 'before', //'before' or 'after' - specifies the position of the switch 'Expand All/Collapse All' - before or after the collapsible element
        scroll: false, // false or true. If true, the switch 'Expand All/Collapse All' will be dinamically repositioned to remain in view when the collapsible element closes
        showMethod: 'slideDown', // 'show', 'slideDown', 'fadeIn', or custom
        hideMethod: 'slideUp', // 'hide', 'slideUp', 'fadeOut', or custom
        speed: 600, // the speed of the animation in m.s. or 'slow', 'normal', 'fast'
        cllpsEl: '.collapse', // the collapsible element
        trigger: '.expand', // if expandAll() is used in conjunction with toggle() - the elements that contain the trigger of the toggle effect on the individual collapsible sections
        localLinks: null, // null or the selector of the same-page links to which we will apply a smooth-scroll function, e.g. 'a.to_top'
        parent: false, // true, false
        child: false, // true, false
        cllpsLength: null, //null, {Number}. If {Number} (e.g. cllpsLength: 200) - if the number of characters inside the "collapsible element" is less than the given {Number}, the element will be visible all the time
        instantHide: false // {true} fixes hiding content inside hidden elements
    };

    /* ---------------------------------------------
    Toggler - http://www.adipalaz.com/experiments/jquery/expand.html
    When using this script, please keep the above url intact.
    *** Feel free to remove the Toggler script if you need only the plugin expandAll().
    ------------------------------------------------ */
    $.fn.toggler = function (options) {
        var o = $.extend({}, $.fn.toggler.defaults, options);

        var $this = $(this);
        $this.wrapInner('<a style="display:block" href="#" title="Expand/Collapse" />');
        if (o.initShow) { $(o.initShow).addClass('shown'); }
        $this.next(o.cllpsEl + ':not(.shown)').hide();
        return this.each(function () {
            var container;
            (o.container) ? container = o.container : container = 'html';
            if ($this.next('div.shown').length) { $this.closest(container).find('.shown').show().prev().find('a').addClass('open'); }
            $(this).click(function () {
                $(this).find('a').toggleClass('open').end().next(o.cllpsEl)[o.method](o.speed);
                return false;
            });
        });
    };
    $.fn.toggler.defaults = {
        cllpsEl: 'div.collapse',
        method: 'slideFadeToggle',
        speed: 'slow',
        container: '', //the common container of all groups with collapsible content (optional)
        initShow: '.shown' //the initially expanded sections (optional)
    };
    /* ---------------------------------------------
    Feel free to remove any of the following functions if you don't need it.
    ------------------------------------------------ */
    $.fn.toggleHeight = function (speed, easing, callback) {
        return this.animate({ height: 'toggle' }, speed, easing, callback);
    };
    //http://www.learningjquery.com/2008/02/simple-effects-plugins:
    $.fn.fadeToggle = function (speed, easing, callback) {
        return this.animate({ opacity: 'toggle' }, speed, easing, callback);
    };
    $.fn.slideFadeToggle = function (speed, easing, callback) {
        return this.animate({ opacity: 'toggle', height: 'toggle' }, speed, easing, callback);
    };
    /* --- end of the optional code --- */
})(jQuery);