/**
* jqFancyTransitions - jQuery plugin
* @version: 1.8 (2010/06/13)
* @requires jQuery v1.2.2 or later 
* @author Ivan Lazarevic
* Examples and documentation at: http://www.workshop.rs/projects/jqfancytransitions
 
* Dual licensed under the MIT and GPL licenses:
*   http://www.opensource.org/licenses/mit-license.php
*   http://www.gnu.org/licenses/gpl.html
**/

(function ($) {
    var opts = new Array;
    var level = new Array;
    var img = new Array;
    var links = new Array;
    var titles = new Array;
    var order = new Array;
    var imgInc = new Array;
    var inc = new Array;
    var stripInt = new Array; 
    var imgInt = new Array; $.fn.jqFancyTransitions = $.fn.jqfancytransitions = function (options) {
        init = function (el) {
            opts[el.id] = $.extend({}, $.fn.jqFancyTransitions.defaults, options);
            img[el.id] = new Array();
            links[el.id] = new Array();
            titles[el.id] = new Array();
            order[el.id] = new Array();
            imgInc[el.id] = 0;
            inc[el.id] = 0;
            params = opts[el.id]; 
            if (params.effect == 'zipper') { params.direction = 'alternate'; params.position = 'alternate'; }
            if (params.effect == 'wave') { params.direction = 'alternate'; params.position = 'top'; }
            if (params.effect == 'curtain') { params.direction = 'alternate'; params.position = 'curtain'; }
            stripWidth = parseInt(params.width / params.strips);
            gap = params.width - stripWidth * params.strips;
            stripLeft = 0; $.each($('#' + el.id + ' img'),
             function (i, item) {
                 img[el.id][i] = $(item).attr('src');
                 links[el.id][i] = $(item).next().attr('href');
                 titles[el.id][i] = $(item).attr('alt') ? $(item).attr('alt') : '';
                 $(item).hide();
             });
             $('#' + el.id).css({
                 'background-image': 'url(' + img[el.id][0] + ')',
                 'width': params.width,
                 'height': params.height,
                 'position': 'relative',
                 'background-position': 'top left'
             });
             $('#' + el.id).append("<div class='ft-title' id='ft-title-" + el.id + "' style='position: absolute; font-size: 14px; bottom:0; left: 0; z-index: 1000; color: #ff000; background-color: #000; '>" + titles[el.id][0] + "</div>"); 
              if (titles[el.id][imgInc[el.id]])
                  $('#ft-title-' + el.id).css('opacity', opts[el.id].titleOpacity); 
                else
                    $('#ft-title-' + el.id).css('opacity', 0);
                if (params.navigation) {
                    $.navigation(el); 
                $('#ft-buttons-' + el.id).children().first().addClass('ft-button-' + el.id + '-active'); }
            odd = 1; 
            for (j = 1; j < params.strips + 1; j++) {
                if (gap > 0) { tstripWidth = stripWidth + 1; gap--; } else { tstripWidth = stripWidth; }
                if (params.links)
                    $('#' + el.id).append("<a href='" + links[el.id][0] + "' class='ft-" + el.id + "' id='ft-" + el.id + j + "' style='width:" + tstripWidth + "px; height:" + params.height + "px; float: left; position: absolute;outline:none;'></a>"); else
                    $('#' + el.id).append("<div class='ft-" + el.id + "' id='ft-" + el.id + j + "' style='width:" + tstripWidth + "px; height:" + params.height + "px; float: left; position: absolute;'></div>"); $("#ft-" + el.id + j).css({ 'background-position': -stripLeft + 'px top', 'left': stripLeft });
                stripLeft += tstripWidth; 
                    if (params.position == 'bottom')
                        $("#ft-" + el.id + j).css('bottom', 0); 
                    if (j % 2 == 0 && params.position == 'alternate')
                        $("#ft-" + el.id + j).css('bottom', 0);
                    if (params.direction == 'fountain' || params.direction == 'fountainAlternate') {
                        order[el.id][j - 1] = parseInt(params.strips / 2) - (parseInt(j / 2) * odd);
                        order[el.id][params.strips - 1] = params.strips; odd *= -1;
                    } 
                    else { order[el.id][j - 1] = j; } 
            }
                $('.ft-' + el.id).mouseover(function () {
                    opts[el.id].pause = true;
                });
                $('.ft-' + el.id).mouseout(function () {
                    opts[el.id].pause = false;
                });
                $('#ft-title-' + el.id).mouseover(function () {
                    opts[el.id].pause = true;
                });
                $('#ft-title-' + el.id).mouseout(function () {
                    opts[el.id].pause = false;
                });
                clearInterval(imgInt[el.id]);
                imgInt[el.id] = setInterval(function () { 
            $.transition(el) }, params.delay + params.stripDelay * params.strips);
        }; $.transition = function (el, direction) {
            if (opts[el.id].pause == true) return;
            stripInt[el.id] = setInterval(function () {
                $.strips(order[el.id][inc[el.id]], el)
            }, opts[el.id].stripDelay);
            $('#' + el.id).css({ 'background-image': 'url(' + img[el.id][imgInc[el.id]] + ')' });
             if (typeof (direction) == "undefined")
                imgInc[el.id]++; else
                if (direction == 'prev')
                    imgInc[el.id]--; else
                     imgInc[el.id] = direction; 
                    if (imgInc[el.id] == img[el.id].length) { imgInc[el.id] = 0; }
            if (imgInc[el.id] == -1) { imgInc[el.id] = img[el.id].length - 1; }
            if (titles[el.id][imgInc[el.id]] != '') {
                $('#ft-title-' + el.id).animate({ opacity: 0 }, opts[el.id].titleSpeed, function () {
                    $(this).html(titles[el.id][imgInc[el.id]]).animate({ opacity: opts[el.id].titleOpacity }, opts[el.id].titleSpeed);
                }); 
            } else { $('#ft-title-' + el.id).animate({ opacity: 0 }, opts[el.id].titleSpeed); }
            inc[el.id] = 0;
            buttons = $('#ft-buttons-' + el.id).children();
            buttons.each(function (index) {
                if (index == imgInc[el.id]) {
                    $(this).addClass('ft-button-' + el.id + '-active');
                } else {
                    $(this).removeClass('ft-button-' + el.id + '-active');
                } 
            }); 
             if (opts[el.id].direction == 'random')
                 $.fisherYates(order[el.id]); 
                if ((opts[el.id].direction == 'right' && order[el.id][0] == 1) || opts[el.id].direction == 'alternate' || opts[el.id].direction == 'fountainAlternate')
                order[el.id].reverse();
        }; $.strips = function (itemId, el) {
            temp = opts[el.id].strips;
            if (inc[el.id] == temp) {
                clearInterval(stripInt[el.id]); 
            return; }
        $('.ft-' + el.id).attr('href', links[el.id][imgInc[el.id]]);
        if (opts[el.id].position == 'curtain') {
            currWidth = $('#ft-' + el.id + itemId).width();
            $('#ft-' + el.id + itemId).css({ width: 0, opacity: 0, 'background-image': 'url(' + img[el.id][imgInc[el.id]] + ')' });
            $('#ft-' + el.id + itemId).animate({ width: currWidth, opacity: 1 }, 1000);
        }
        else {
            $('#ft-' + el.id + itemId).css({ height: 0, opacity: 0, 'background-image': 'url(' + img[el.id][imgInc[el.id]] + ')' }); 
            $('#ft-' + el.id + itemId).animate({ height: opts[el.id].height, opacity: 1 }, 1000); }
            inc[el.id]++;
        }; $.navigation = function (el) {
            $('#' + el.id).append("<a href='#' id='ft-prev-" + el.id + "' class='ft-prev'></a>");
            $('#' + el.id).append("<a href='#' id='ft-next-" + el.id + "' class='ft-next'></a>");
            $('#ft-prev-' + el.id).css({ 'position': 'absolute',
                'top': params.height / 2 - 15,
                'left': 0,
                'z-index': 1001,
                'line-height': '0px',
                'opacity': 0.7                
            }).click(function (e) {
                e.preventDefault();
                $.transition(el, 'prev');
                clearInterval(imgInt[el.id]);
                imgInt[el.id] = setInterval(function () {
                    $.transition(el)
                }, params.delay + params.stripDelay * params.strips);
            });
            $('#ft-next-' + el.id).css({ 'position': 'absolute',
                'top': params.height / 2 - 15,
                'right': 0,
                'z-index': 1001,
                'line-height': '0px',
                'opacity': 0.7
            }).click(function (e) {
                e.preventDefault();
                $.transition(el);
                clearInterval(imgInt[el.id]);
                imgInt[el.id] = setInterval(function () {
                    $.transition(el)
                }, params.delay + params.stripDelay * params.strips);
            });
            $("<div id='ft-buttons-" + el.id + "'></div>").insertAfter($('#' + el.id));
            $('#ft-buttons-' + el.id).css({ 'text-align': 'right', 'padding-top': 5, 'width': opts[el.id].width });
            for (k = 1; k < img[el.id].length + 1; k++) { 
             $('#ft-buttons-' + el.id).append("<a href='#' class='ft-button-" + el.id + "'>" + k + "</a>"); }
         $('.ft-button-' + el.id).css({ 'padding': 5 });
         $.each($('.ft-button-' + el.id), function (i, item) {
             $(item).click(function (e) {
                 e.preventDefault();
                 $.transition(el, i);
                 clearInterval(imgInt[el.id]);
                 imgInt[el.id] = setInterval(function () {
                     $.transition(el)
                 }, params.delay + params.stripDelay * params.strips);
             }) 
            });
        }
     $.fisherYates = function (arr) {
         var i = arr.length;
         if (i == 0) return false;
         while (--i) {
             var j = Math.floor(Math.random() * (i + 1));
             var tempi = arr[i]; 
         var tempj = arr[j]; arr[i] = tempj; arr[j] = tempi; } }
 this.each(function () { 
        init(this); });
};
$.fn.jqFancyTransitions.defaults = {
    width: 931,
    height: 409,
    strips: 20,
    delay: 2500,
    stripDelay: 50,
    titleOpacity: 0.7,
    titleSpeed: 1000,
    position: 'alternate',
    direction: 'fountainAlternate',
    effect: '',
    navigation: false, 
     links: false };
})(jQuery);