/**
*jquery.innerfade.js 2008-02-14
*Firma: Medienfreunde Hofmann & Baldes GbR Author: Torsten Baldes Mail: t.baldes@medienfreunde.com Web: http://medienfreunde.com
*based on the work of Matt Oakes http://portfolio.gizone.co.uk/applications/slideshow/ and Ralf S. Engelschall http://trainofthoughts.org/
**/
(function($) {

    $.fn.innerfade = function(options) { var settings; var elements; var elements_title; var curr_slide_id_number; var next_slide_id_number; return this.each(function() { $.innerfade(this, options); }); };

    jQuery.next = function() {
        var elements = $("ul#" + settings.slide_ui_parent + " li"); $("#" + settings.pause_button_id + " span").html("play"); $("#" + settings.pause_button_id).attr("class", "paused_button"); button_class = $("#button_selected").attr("class"); split_button_class_string = button_class.split("_"); button_class_string = split_button_class_string.pop(); curr_slide_id_number = parseFloat(button_class_string) + 1; next_slide_id_number = curr_slide_id_number - 1; settings.slide_timer_on = 'yes'
        if ((curr_slide_id_number) < elements.length) { $.skip(); } else { $.first(); } 
    }
    jQuery.prev = function() {
        var elements = $("ul#" + settings.slide_ui_parent + " li"); $("#" + settings.pause_button_id + " span").html("play"); $("#" + settings.pause_button_id).attr("class", "paused_button"); button_class = $("#button_selected").attr("class"); split_button_class_string = button_class.split("_"); button_class_string = split_button_class_string.pop(); curr_slide_id_number = parseFloat(button_class_string) - 1; next_slide_id_number = curr_slide_id_number - 1; settings.slide_timer_on = 'yes'
        if ((curr_slide_id_number) >= 0) { $.skip(); } else { $.last(); } 
    }
    jQuery.first = function() {
        $("#" + settings.pause_button_id + " span").html("play"); $("#" + settings.pause_button_id).attr("class", "paused_button"); curr_slide_id_number = 0; next_slide_id_number = curr_slide_id_number - 1; settings.slide_timer_on = 'yes'
        $.skip();
    }
    jQuery.last = function() {
        var elements = $("ul#" + settings.slide_ui_parent + " li"); $("#" + settings.pause_button_id + " span").html("play"); $("#" + settings.pause_button_id).attr("class", "paused_button"); curr_slide_id_number = elements.length - 1; next_slide_id_number = curr_slide_id_number - 1; settings.slide_timer_on = 'yes'
        $.skip();
    }

    jQuery.setOptionsButtonEvent = function() {
        $("#" + settings.slide_nav_id + " li").each(function() {
            $(this).click(function() {
                $("#" + settings.pause_button_id + " span").html("play"); $("#" + settings.pause_button_id).attr("class", "paused_button"); button_class = $(this).attr("class"); split_button_class_string = button_class.split("_"); button_class_string = split_button_class_string.pop(); curr_slide_id_number = parseFloat(button_class_string); next_slide_id_number = curr_slide_id_number - 1; settings.slide_timer_on = 'no'
                $.skip();
            });
        });
    }

    $.innerfade = function(container, options) {
        settings = { 'animationtype': 'fade', 'speed': 'normal', 'type': 'sequence', 'timeout': 5000, 'containerheight': 'auto', 'runningclass': 'innerfade', 'children': null, 'slide_timer_on': 'yes', 'slide_ui_parent': null, 'slide_ui_text': null, 'pause_button_id': null, 'slide_nav_id': null }; var elements; var elements_title; if (options)
            $.extend(settings, options); if (settings.children === null) elements = $(container).children(); else elements = $(container).children(settings.children); if (elements.length > 1) {
            if (settings.slide_ui_text != 'null') { elements_title = $("ul#" + settings.slide_ui_text + " li") } $(container).css('position', 'relative').css('height', settings.containerheight).addClass(settings.runningclass); for (var i = 0; i < elements.length; i++) { $(elements[i]).css('z-index', String(elements.length - i)).css('position', 'absolute').hide(); if (settings.slide_ui_text != 'null') { $(elements_title[i]).css('z-index', String(elements_title.length - i)).css('position', 'absolute').hide(); } }; if (settings.type == "sequence") { setTimeout(function() { $.innerfade.next(elements, settings, 1, 0); }, settings.timeout); $(elements[0]).show(); if (settings.slide_ui_text != 'null') { $(elements_title[0]).show(); } if (settings.slide_nav_id != 'null') { $("#" + settings.slide_nav_id + " li").removeAttr("id"); $("#" + settings.slide_nav_id + " .slide_0").attr("id", "button_selected"); } } else if (settings.type == "random") { next_slide_id_number = Math.floor(Math.random() * (elements.length)); setTimeout(function() { do { curr_slide_id_number = Math.floor(Math.random() * (elements.length)); } while (next_slide_id_number == curr_slide_id_number); $.innerfade.next(elements, settings, curr_slide_id_number, next_slide_id_number); }, settings.timeout); $(elements[next_slide_id_number]).show(); if (settings.slide_ui_text != 'null') { $(elements_title[next_slide_id_number]).show(); } } else if (settings.type == 'random_start') {
                settings.type = 'sequence'; curr_slide_id_number = Math.floor(Math.random() * (elements.length)); setTimeout(function() { $.innerfade.next(elements, settings, (curr_slide_id_number + 1) % elements.length, curr_slide_id_number); }, settings.timeout); $(elements[curr_slide_id_number]).show(); if (settings.slide_ui_text != 'null')
                { $(elements_title[curr_slide_id_number]).show(); } 
            } else { alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\''); } 
        } 
    };

    $.skip = function() {
        var elements = $("ul#" + settings.slide_ui_parent + " li"); if (settings.slide_ui_text != 'null')
        { var elements_title = $("ul#" + settings.slide_ui_text + " li") } for (var i = 0; i < elements.length; i++) {
            if (settings.animationtype == 'fade') {
                $(elements[i]).fadeOut(settings.speed); if (settings.slide_ui_text != 'null')
                { $(elements_title[i]).fadeOut(settings.speed); } 
            } else { $(elements[i]).slideUp(settings.speed); if (settings.slide_ui_text != 'null') { $(elements_title[i]).slideUp(settings.speed); } } 
        }
        if (settings.animationtype == 'fade') {
            $(elements[curr_slide_id_number]).fadeIn(settings.speed, function() { removeFilter($(this)[0]); }); if (settings.slide_ui_text != 'null')
            { $(elements_title[curr_slide_id_number]).fadeIn(settings.speed, function() { removeFilter($(this)[0]); }); } 
        } else {
            $(elements[curr_slide_id_number]).slideDown(settings.speed, function() { removeFilter($(this)[0]); }); if (settings.slide_ui_text != 'null')
            { $(elements_title[curr_slide_id_number]).slideDown(settings.speed, function() { removeFilter($(this)[0]); }); } 
        } if (settings.slide_nav_id != 'null') { $("#" + settings.slide_nav_id + " li").removeAttr("id"); $("#" + settings.slide_nav_id + " .slide_" + curr_slide_id_number).attr("id", "button_selected"); } 
    }

    $.innerfade.next = function(elements, settings, curr_slide_id_number, next_slide_id_number) {
        var elements_title; if (settings.slide_ui_text != 'null') { elements_title = $("ul#" + settings.slide_ui_text + " li"); } if (settings.slide_timer_on == 'yes') {
            if (settings.animationtype == 'slide') {
                $(elements[next_slide_id_number]).slideUp(settings.speed); $(elements[curr_slide_id_number]).slideDown(settings.speed); $(elements[next_slide_id_number]).slideUp(settings.speed); if (settings.slide_ui_text != 'null')
                { $(elements_title[next_slide_id_number]).slideUp(settings.speed); } $(elements[curr_slide_id_number]).slideDown(settings.speed, function() { removeFilter($(this)[0]); }); if (settings.slide_ui_text != 'null')
                { $(elements_title[curr_slide_id_number]).slideDown(settings.speed, function() { removeFilter($(this)[0]); }); } if (settings.slide_nav_id != 'null') { $("#" + settings.slide_nav_id + " li").removeAttr("id"); $("#" + settings.slide_nav_id + " .slide_" + curr_slide_id_number).attr("id", "button_selected"); } 
            }
            else if (settings.animationtype == 'fade') {
                $(elements[next_slide_id_number]).fadeOut(settings.speed); if (settings.slide_ui_text != 'null') { $(elements_title[next_slide_id_number]).fadeOut(settings.speed); }
                $(elements[curr_slide_id_number]).fadeIn(settings.speed, function() { removeFilter($(this)[0]); }); if (settings.slide_ui_text != 'null') { $(elements_title[curr_slide_id_number]).fadeIn(settings.speed, function() { removeFilter($(this)[0]); }); }
                if (settings.slide_nav_id != 'null') { $("#" + settings.slide_nav_id + " li").removeAttr("id"); $("#" + settings.slide_nav_id + " .slide_" + curr_slide_id_number).attr("id", "button_selected"); } 
            }
            else alert('Innerfade-animationtype must either be \'slide\' or \'fade\''); if (settings.type == "sequence") {
                if ((curr_slide_id_number + 1) < elements.length) { curr_slide_id_number = curr_slide_id_number + 1; next_slide_id_number = curr_slide_id_number - 1; }
                else { curr_slide_id_number = 0; next_slide_id_number = elements.length - 1; } 
            } else if (settings.type == "random") {
                next_slide_id_number = curr_slide_id_number; while (curr_slide_id_number == next_slide_id_number)
                    curr_slide_id_number = Math.floor(Math.random() * elements.length);
            } else alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\''); setTimeout((function() { $.innerfade.next(elements, settings, curr_slide_id_number, next_slide_id_number); }), settings.timeout);
        };
    }

})(jQuery);

function removeFilter(element) { if (element.style.removeAttribute) { element.style.removeAttribute('filter'); } }