/*
* jQuery Nivo Slider v2.3
* http://nivo.dev7studios.com
*
* Copyright 2010, Gilbert Pellegrom
* Free to use and abuse under the MIT license.
* http://www.opensource.org/licenses/mit-license.php
* 
* May 2010 - Pick random effect from specified set of effects by toronegro
* May 2010 - controlNavThumbsFromRel option added by nerd-sh
* May 2010 - Do not start nivoRun timer if there is only 1 slide by msielski
* April 2010 - controlNavThumbs option added by Jamie Thompson (http://jamiethompson.co.uk)
* March 2010 - manualAdvance option added by HelloPablo (http://hellopablo.co.uk)
*/

(function($) {
    var NivoSlider = function(element, options) {
        var settings = $.extend({}, $.fn.nivoSlider.defaults, options); var vars = { currentSlide: 0, currentImage: '', totalSlides: 0, randAnim: '', running: false, paused: false, stop: false }; var slider = $(element); slider.data('nivo:vars', vars); slider.css('position', 'relative'); slider.addClass('nivoSlider'); var kids = slider.children(); kids.each(function() {
            var child = $(this); var link = ''; if (!child.is('img')) {
                if (child.is('a')) { child.addClass('nivo-imageLink'); link = child; }
                child = child.find('img:first');
            }
            var childWidth = child.width(); if (childWidth == 0) childWidth = child.attr('width'); var childHeight = child.height(); if (childHeight == 0) childHeight = child.attr('height'); if (childWidth > slider.width()) { slider.width(childWidth); }
            if (childHeight > slider.height()) { slider.height(childHeight); }
            if (link != '') { link.css('display', 'none'); }
            child.css('display', 'none'); vars.totalSlides++;
        }); if (settings.startSlide > 0) { if (settings.startSlide >= vars.totalSlides) settings.startSlide = vars.totalSlides - 1; vars.currentSlide = settings.startSlide; }
        if ($(kids[vars.currentSlide]).is('img')) { vars.currentImage = $(kids[vars.currentSlide]); } else { vars.currentImage = $(kids[vars.currentSlide]).find('img:first'); }
        if ($(kids[vars.currentSlide]).is('a')) { $(kids[vars.currentSlide]).css('display', 'block'); }
        slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat'); for (var i = 0; i < settings.slices; i++) { var sliceWidth = Math.round(slider.width() / settings.slices); if (i == settings.slices - 1) { slider.append($('<div class="nivo-slice"></div>').css({ left: (sliceWidth * i) + 'px', width: (slider.width() - (sliceWidth * i)) + 'px' })); } else { slider.append($('<div class="nivo-slice"></div>').css({ left: (sliceWidth * i) + 'px', width: sliceWidth + 'px' })); } }
        slider.append($('<div class="nivo-caption"><p></p></div>').css({ display: 'none', opacity: settings.captionOpacity })); if (vars.currentImage.attr('title') != '') { var title = vars.currentImage.attr('title'); if (title.substr(0, 1) == '#') title = $(title).html(); $('.nivo-caption p', slider).html(title); $('.nivo-caption', slider).fadeIn(settings.animSpeed); }
        var timer = 0; if (!settings.manualAdvance && kids.length > 1) { timer = setInterval(function() { nivoRun(slider, kids, settings, false); }, settings.pauseTime); }
        if (settings.directionNav) {
            slider.append('<div class="nivo-directionNav"><a class="nivo-prevNav">Prev</a><a class="nivo-nextNav">Next</a></div>'); if (settings.directionNavHide) { $('.nivo-directionNav', slider).hide(); slider.hover(function() { $('.nivo-directionNav', slider).show(); }, function() { $('.nivo-directionNav', slider).hide(); }); }
            $('a.nivo-prevNav', slider).live('click', function() { if (vars.running) return false; clearInterval(timer); timer = ''; vars.currentSlide -= 2; nivoRun(slider, kids, settings, 'prev'); }); $('a.nivo-nextNav', slider).live('click', function() { if (vars.running) return false; clearInterval(timer); timer = ''; nivoRun(slider, kids, settings, 'next'); });
        }
        if (settings.controlNav) {
            var nivoControl = $('<div class="nivo-controlNav"></div>'); slider.append(nivoControl); for (var i = 0; i < kids.length; i++) {
                if (settings.controlNavThumbs) {
                    var child = kids.eq(i); if (!child.is('img')) { child = child.find('img:first'); }
                    if (settings.controlNavThumbsFromRel) { nivoControl.append('<a class="nivo-control" rel="' + i + '"><img src="' + child.attr('rel') + '" alt="" /></a>'); } else { nivoControl.append('<a class="nivo-control" rel="' + i + '"><img src="' + child.attr('src').replace(settings.controlNavThumbsSearch, settings.controlNavThumbsReplace) + '" alt="" /></a>'); } 
                } else { nivoControl.append('<a class="nivo-control" rel="' + i + '">' + (i + 1) + '</a>'); } 
            }
            $('.nivo-controlNav a:eq(' + vars.currentSlide + ')', slider).addClass('active'); $('.nivo-controlNav a', slider).live('click', function() { if (vars.running) return false; if ($(this).hasClass('active')) return false; clearInterval(timer); timer = ''; slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat'); vars.currentSlide = $(this).attr('rel') - 1; nivoRun(slider, kids, settings, 'control'); });
        }
        if (settings.keyboardNav) {
            $(window).keypress(function(event) {
                if (event.keyCode == '37') { if (vars.running) return false; clearInterval(timer); timer = ''; vars.currentSlide -= 2; nivoRun(slider, kids, settings, 'prev'); }
                if (event.keyCode == '39') { if (vars.running) return false; clearInterval(timer); timer = ''; nivoRun(slider, kids, settings, 'next'); } 
            });
        }
        if (settings.pauseOnHover) { slider.hover(function() { vars.paused = true; clearInterval(timer); timer = ''; }, function() { vars.paused = false; if (timer == '' && !settings.manualAdvance) { timer = setInterval(function() { nivoRun(slider, kids, settings, false); }, settings.pauseTime); } }); }
        slider.bind('nivo:animFinished', function() {
            vars.running = false; $(kids).each(function() { if ($(this).is('a')) { $(this).css('display', 'none'); } }); if ($(kids[vars.currentSlide]).is('a')) { $(kids[vars.currentSlide]).css('display', 'block'); }
            if (timer == '' && !vars.paused && !settings.manualAdvance) { timer = setInterval(function() { nivoRun(slider, kids, settings, false); }, settings.pauseTime); }
            settings.afterChange.call(this);
        }); var nivoRun = function(slider, kids, settings, nudge) {
            var vars = slider.data('nivo:vars'); if (vars && (vars.currentSlide == vars.totalSlides - 1)) { settings.lastSlide.call(this); }
            if ((!vars || vars.stop) && !nudge) return false; settings.beforeChange.call(this); if (!nudge) { slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat'); } else {
                if (nudge == 'prev') { slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat'); }
                if (nudge == 'next') { slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat'); } 
            }
            vars.currentSlide++; if (vars.currentSlide == vars.totalSlides) { vars.currentSlide = 0; settings.slideshowEnd.call(this); }
            if (vars.currentSlide < 0) vars.currentSlide = (vars.totalSlides - 1); if ($(kids[vars.currentSlide]).is('img')) { vars.currentImage = $(kids[vars.currentSlide]); } else { vars.currentImage = $(kids[vars.currentSlide]).find('img:first'); }
            if (settings.controlNav) { $('.nivo-controlNav a', slider).removeClass('active'); $('.nivo-controlNav a:eq(' + vars.currentSlide + ')', slider).addClass('active'); }
            if (vars.currentImage.attr('title') != '') {
                var title = vars.currentImage.attr('title'); if (title.substr(0, 1) == '#') title = $(title).html(); if ($('.nivo-caption', slider).css('display') == 'block') { $('.nivo-caption p', slider).fadeOut(settings.animSpeed, function() { $(this).html(title); $(this).fadeIn(settings.animSpeed); }); } else { $('.nivo-caption p', slider).html(title); }
                $('.nivo-caption', slider).fadeIn(settings.animSpeed);
            } else { $('.nivo-caption', slider).fadeOut(settings.animSpeed); }
            var i = 0; $('.nivo-slice', slider).each(function() { var sliceWidth = Math.round(slider.width() / settings.slices); $(this).css({ height: '0px', opacity: '0', background: 'url("' + vars.currentImage.attr('src') + '") no-repeat -' + ((sliceWidth + (i * sliceWidth)) - sliceWidth) + 'px 0%' }); i++; }); if (settings.effect == 'random') { var anims = new Array("sliceDownRight", "sliceDownLeft", "sliceUpRight", "sliceUpLeft", "sliceUpDown", "sliceUpDownLeft", "fold", "fade"); vars.randAnim = anims[Math.floor(Math.random() * (anims.length + 1))]; if (vars.randAnim == undefined) vars.randAnim = 'fade'; }
            if (settings.effect.indexOf(',') != -1) { var anims = settings.effect.split(','); vars.randAnim = $.trim(anims[Math.floor(Math.random() * anims.length)]); }
            vars.running = true; if (settings.effect == 'sliceDown' || settings.effect == 'sliceDownRight' || vars.randAnim == 'sliceDownRight' || settings.effect == 'sliceDownLeft' || vars.randAnim == 'sliceDownLeft') {
                var timeBuff = 0; var i = 0; var slices = $('.nivo-slice', slider); if (settings.effect == 'sliceDownLeft' || vars.randAnim == 'sliceDownLeft') slices = $('.nivo-slice', slider)._reverse(); slices.each(function() {
                    var slice = $(this); slice.css('top', '0px'); if (i == settings.slices - 1) { setTimeout(function() { slice.animate({ height: '100%', opacity: '1.0' }, settings.animSpeed, '', function() { slider.trigger('nivo:animFinished'); }); }, (100 + timeBuff)); } else { setTimeout(function() { slice.animate({ height: '100%', opacity: '1.0' }, settings.animSpeed); }, (100 + timeBuff)); }
                    timeBuff += 50; i++;
                });
            }
            else if (settings.effect == 'sliceUp' || settings.effect == 'sliceUpRight' || vars.randAnim == 'sliceUpRight' || settings.effect == 'sliceUpLeft' || vars.randAnim == 'sliceUpLeft') {
                var timeBuff = 0; var i = 0; var slices = $('.nivo-slice', slider); if (settings.effect == 'sliceUpLeft' || vars.randAnim == 'sliceUpLeft') slices = $('.nivo-slice', slider)._reverse(); slices.each(function() {
                    var slice = $(this); slice.css('bottom', '0px'); if (i == settings.slices - 1) { setTimeout(function() { slice.animate({ height: '100%', opacity: '1.0' }, settings.animSpeed, '', function() { slider.trigger('nivo:animFinished'); }); }, (100 + timeBuff)); } else { setTimeout(function() { slice.animate({ height: '100%', opacity: '1.0' }, settings.animSpeed); }, (100 + timeBuff)); }
                    timeBuff += 50; i++;
                });
            }
            else if (settings.effect == 'sliceUpDown' || settings.effect == 'sliceUpDownRight' || vars.randAnim == 'sliceUpDown' || settings.effect == 'sliceUpDownLeft' || vars.randAnim == 'sliceUpDownLeft') {
                var timeBuff = 0; var i = 0; var v = 0; var slices = $('.nivo-slice', slider); if (settings.effect == 'sliceUpDownLeft' || vars.randAnim == 'sliceUpDownLeft') slices = $('.nivo-slice', slider)._reverse(); slices.each(function() {
                    var slice = $(this); if (i == 0) { slice.css('top', '0px'); i++; } else { slice.css('bottom', '0px'); i = 0; }
                    if (v == settings.slices - 1) { setTimeout(function() { slice.animate({ height: '100%', opacity: '1.0' }, settings.animSpeed, '', function() { slider.trigger('nivo:animFinished'); }); }, (100 + timeBuff)); } else { setTimeout(function() { slice.animate({ height: '100%', opacity: '1.0' }, settings.animSpeed); }, (100 + timeBuff)); }
                    timeBuff += 50; v++;
                });
            }
            else if (settings.effect == 'fold' || vars.randAnim == 'fold') {
                var timeBuff = 0; var i = 0; $('.nivo-slice', slider).each(function() {
                    var slice = $(this); var origWidth = slice.width(); slice.css({ top: '0px', height: '100%', width: '0px' }); if (i == settings.slices - 1) { setTimeout(function() { slice.animate({ width: origWidth, opacity: '1.0' }, settings.animSpeed, '', function() { slider.trigger('nivo:animFinished'); }); }, (100 + timeBuff)); } else { setTimeout(function() { slice.animate({ width: origWidth, opacity: '1.0' }, settings.animSpeed); }, (100 + timeBuff)); }
                    timeBuff += 50; i++;
                });
            }
            else if (settings.effect == 'fade' || vars.randAnim == 'fade') {
                var i = 0; $('.nivo-slice', slider).each(function() {
                    $(this).css('height', '100%'); if (i == settings.slices - 1) { $(this).animate({ opacity: '1.0' }, (settings.animSpeed * 2), '', function() { slider.trigger('nivo:animFinished'); }); } else { $(this).animate({ opacity: '1.0' }, (settings.animSpeed * 2)); }
                    i++;
                });
            } 
        }
        var trace = function(msg) {
            if (this.console && typeof console.log != "undefined")
                console.log(msg);
        }
        this.stop = function() { if (!$(element).data('nivo:vars').stop) { $(element).data('nivo:vars').stop = true; trace('Stop Slider'); } }
        this.start = function() { if ($(element).data('nivo:vars').stop) { $(element).data('nivo:vars').stop = false; trace('Start Slider'); } }
        settings.afterLoad.call(this);
    }; $.fn.nivoSlider = function(options) { return this.each(function() { var element = $(this); if (element.data('nivoslider')) return; var nivoslider = new NivoSlider(this, options); element.data('nivoslider', nivoslider); }); }; $.fn.nivoSlider.defaults = { effect: 'random', slices: 15, animSpeed: 500, pauseTime: 3000, startSlide: 0, directionNav: true, directionNavHide: true, controlNav: true, controlNavThumbs: false, controlNavThumbsFromRel: false, controlNavThumbsSearch: '.jpg', controlNavThumbsReplace: '_thumb.jpg', keyboardNav: true, pauseOnHover: true, manualAdvance: false, captionOpacity: 0.8, beforeChange: function() { }, afterChange: function() { }, slideshowEnd: function() { }, lastSlide: function() { }, afterLoad: function() { } }; $.fn._reverse = [].reverse;
})(jQuery);