/*

 * jQuery Cycle Plugin for light-weight slideshows

 * Examples and documentation at: http://malsup.com/jquery/cycle/

 * Copyright (c) 2007-2008 M. Alsup

 * Version: 2.10 (02/10/2008)

 * Dual licensed under the MIT and GPL licenses:

 * http://www.opensource.org/licenses/mit-license.php

 * http://www.gnu.org/licenses/gpl.html

 * Requires: jQuery v1.1.3.1 or later

 *

 * Based on the work of:

 *  1) Matt Oakes (http://portfolio.gizone.co.uk/applications/slideshow/)

 *  2) Torsten Baldes (http://medienfreunde.com/lab/innerfade/)

 *  3) Benjamin Sterling (http://www.benjaminsterling.com/experiments/jqShuffle/)

 */

(function($) {



var ver = '2.10';

var ie6 = $.browser.msie && /MSIE 6.0/.test(navigator.userAgent);



$.fn.cycle = function(options) {

    return this.each(function() {

        options = options || {};

        if (options.constructor == String) {

            switch(options) {

            case 'stop':

                if (this.cycleTimeout) clearTimeout(this.cycleTimeout);

                this.cycleTimeout = 0;

                return;

            case 'pause':

                this.cyclePause = 1;

                return;

            case 'resume':

                this.cyclePause = 0;

                return;

            default:

                options = { fx: options };

            };

        }

        var $cont = $(this);

        var $slides = options.slideExpr ? $(options.slideExpr, this) : $cont.children();

        var els = $slides.get();

        if (els.length < 2) return; // don't bother



        // support metadata plugin (v1.0 and v2.0)

        var opts = $.extend({}, $.fn.cycle.defaults, options || {}, $.metadata ? $cont.metadata() : $.meta ? $cont.data() : {});

        if (opts.autostop) 

            opts.countdown = opts.autostopCount || els.length;

            

        opts.before = opts.before ? [opts.before] : [];

        opts.after = opts.after ? [opts.after] : [];

        opts.after.unshift(function(){ opts.busy=0; });



        // clearType corrections

        if (ie6 && opts.cleartype && !opts.cleartypeNoBg)

            clearTypeFix($slides);



        // allow shorthand overrides of width, height and timeout

        var cls = this.className;

        var w = parseInt((cls.match(/w:(\d+)/)||[])[1]) || opts.width;

        var h = parseInt((cls.match(/h:(\d+)/)||[])[1]) || opts.height;

        opts.timeout = parseInt((cls.match(/t:(\d+)/)||[])[1]) || opts.timeout;



        if ($cont.css('position') == 'static') 

            $cont.css('position', 'relative');

        if (w) 

            $cont.width(w);

        if (h && h != 'auto') 

            $cont.height(h);



        if (opts.random) {

            opts.randomMap = [];

            for (var i = 0; i < els.length; i++) 

                opts.randomMap.push(i);

            opts.randomMap.sort(function(a,b) {return Math.random() - 0.5;});

            opts.randomIndex = 0;

            opts.startingSlide = opts.randomMap[0];

        }

        else if (opts.startingSlide >= els.length)

            opts.startingSlide = 0; // catch bogus input

        var first = opts.startingSlide || 0;

        $slides.css('position','absolute').hide().each(function(i) { 

            var z = first ? i >= first ? els.length - (i-first) : first-i : els.length-i;

            //$(this).css('z-index', z) 
            $(this).css('z-index', 0)

        });

        

        $(els[first]).show();

        if (opts.fit && w) 

            $slides.width(w);

        if (opts.fit && h && h != 'auto') 

            $slides.height(h);

        if (opts.pause) 

            $cont.hover(function(){this.cyclePause=1;}, function(){this.cyclePause=0;});



        // run transition init fn

        var init = $.fn.cycle.transitions[opts.fx];

        if ($.isFunction(init))

            init($cont, $slides, opts);



        $slides.each(function() {

            var $el = $(this);

            this.cycleH = (opts.fit && h) ? h : $el.height();

            this.cycleW = (opts.fit && w) ? w : $el.width();

        });



        opts.cssBefore = opts.cssBefore || {};

        opts.animIn = opts.animIn || {};

        opts.animOut = opts.animOut || {};



        $slides.not(':eq('+first+')').css(opts.cssBefore);

        if (opts.cssFirst)

            $($slides[first]).css(opts.cssFirst);



        if (opts.timeout) {

            // ensure that timeout and speed settings are sane

            if (opts.speed.constructor == String)

                opts.speed = {slow: 600, fast: 200}[opts.speed] || 400;

            if (!opts.sync)

                opts.speed = opts.speed / 2;

            while((opts.timeout - opts.speed) < 250)

                opts.timeout += opts.speed;

        }

        if (opts.easing) 

            opts.easeIn = opts.easeOut = opts.easing;

        if (!opts.speedIn) 

            opts.speedIn = opts.speed;

        if (!opts.speedOut) 

            opts.speedOut = opts.speed;



 		opts.slideCount = els.length;

        opts.currSlide = first;

        if (opts.random) {

            opts.nextSlide = opts.currSlide;

            if (++opts.randomIndex == els.length) 

                opts.randomIndex = 0;

            opts.nextSlide = opts.randomMap[opts.randomIndex];

        }

        else

            opts.nextSlide = opts.startingSlide >= (els.length-1) ? 0 : opts.startingSlide+1;



        // fire artificial events

        var e0 = $slides[first];

        if (opts.before.length)

            opts.before[0].apply(e0, [e0, e0, opts, true]);

        if (opts.after.length > 1)

            opts.after[1].apply(e0, [e0, e0, opts, true]);

        

        if (opts.click && !opts.next)

            opts.next = opts.click;

        if (opts.next)

            $(opts.next).bind('click', function(){return advance(els,opts,opts.rev?-1:1)});

        if (opts.prev)

            $(opts.prev).bind('click', function(){return advance(els,opts,opts.rev?1:-1)});

        if (opts.pager)

            buildPager(els,opts);

        if (opts.timeout)

            this.cycleTimeout = setTimeout(function(){go(els,opts,0,!opts.rev)}, opts.timeout + (opts.delay||0));

    });

};



function go(els, opts, manual, fwd) {

    if (opts.busy) return;

    var p = els[0].parentNode, curr = els[opts.currSlide], next = els[opts.nextSlide];

    if (p.cycleTimeout === 0 && !manual) 

        return;



    if (!manual && !p.cyclePause && 

        ((opts.autostop && (--opts.countdown <= 0)) ||

        (opts.nowrap && !opts.random && opts.nextSlide < opts.currSlide)))

        return;



    if (manual || !p.cyclePause) {

        if (opts.before.length)

            $.each(opts.before, function(i,o) { o.apply(next, [curr, next, opts, fwd]); });

        var after = function() {

            if ($.browser.msie && opts.cleartype)

                this.style.removeAttribute('filter');

            $.each(opts.after, function(i,o) { o.apply(next, [curr, next, opts, fwd]); });

        };



        if (opts.nextSlide != opts.currSlide) {

            opts.busy = 1;

            if (opts.fxFn)

                opts.fxFn(curr, next, opts, after, fwd);

            else if ($.isFunction($.fn.cycle[opts.fx]))

                $.fn.cycle[opts.fx](curr, next, opts, after);

            else

                $.fn.cycle.custom(curr, next, opts, after);

        }

        if (opts.random) {

            opts.currSlide = opts.nextSlide;

            if (++opts.randomIndex == els.length) 

                opts.randomIndex = 0;

            opts.nextSlide = opts.randomMap[opts.randomIndex];

        }

        else { // sequence

            var roll = (opts.nextSlide + 1) == els.length;

            opts.nextSlide = roll ? 0 : opts.nextSlide+1;

            opts.currSlide = roll ? els.length-1 : opts.nextSlide-1;

        }

        if (opts.pager)

            $(opts.pager).find('a').removeClass('activeSlide').filter('a:eq('+opts.currSlide+')').addClass('activeSlide');

    }

    if (opts.timeout)

        p.cycleTimeout = setTimeout(function() { go(els,opts,0,!opts.rev) }, opts.timeout);

};



// advance slide forward or back

function advance(els, opts, val) {

    var p = els[0].parentNode, timeout = p.cycleTimeout;

    if (timeout) {

        clearTimeout(timeout);

        p.cycleTimeout = 0;

    }

    opts.nextSlide = opts.currSlide + val;

    if (opts.nextSlide < 0) {

        if (opts.nowrap) return false;

        opts.nextSlide = els.length - 1;

    }

    else if (opts.nextSlide >= els.length) {

        if (opts.nowrap) return false;

        opts.nextSlide = 0;

    }

    if (opts.prevNextClick && typeof opts.prevNextClick == 'function')

        opts.prevNextClick(val > 0, opts.nextSlide, els[opts.nextSlide]);

    go(els, opts, 1, val>=0);

    return false;

};



function buildPager(els, opts) {

    var $p = $(opts.pager);

    $.each(els, function(i,o) {

        var $a = (typeof opts.pagerAnchorBuilder == 'function')

            ? $(opts.pagerAnchorBuilder(i,o))

            : $('<a href="#">'+(i+1)+'</a>');

        // don't reparent if anchor is in the dom

        if ($a.parents('body').length == 0)

            $a.appendTo($p);

        $a.bind('click',function() {

            opts.nextSlide = i;

            var p = els[0].parentNode, timeout = p.cycleTimeout;

            if (timeout) {

                clearTimeout(timeout);

                p.cycleTimeout = 0;

            }            

            if (typeof opts.pagerClick == 'function')

                opts.pagerClick(opts.nextSlide, els[opts.nextSlide]);

            go(els,opts,1,!opts.rev);

            return false;

        });

    });

   $p.find('a').filter('a:eq('+opts.startingSlide+')').addClass('activeSlide');

};



// this fixes clearType problems in ie6 by setting an explicit bg color

function clearTypeFix($slides) {

    function hex(s) {

        var s = parseInt(s).toString(16);

        return s.length < 2 ? '0'+s : s;

    };

    function getBg(e) {

        for ( ; e && e.nodeName.toLowerCase() != 'html'; e = e.parentNode) {

            var v = $.css(e,'background-color');

            if (v.indexOf('rgb') >= 0 ) { 

                var rgb = v.match(/\d+/g); 

                return '#'+ hex(rgb[0]) + hex(rgb[1]) + hex(rgb[2]);

            }

            if (v && v != 'transparent')

                return v;

        }

        return '#ffffff';

    };

    $slides.each(function() { $(this).css('background-color', getBg(this)); });

};





$.fn.cycle.custom = function(curr, next, opts, cb) {

    var $l = $(curr), $n = $(next);

    $n.css(opts.cssBefore);

    var fn = function() {$n.animate(opts.animIn, opts.speedIn, opts.easeIn, cb)};

    $l.animate(opts.animOut, opts.speedOut, opts.easeOut, function() {

        if (opts.cssAfter) $l.css(opts.cssAfter);

        if (!opts.sync) fn();

    });

    if (opts.sync) fn();

};



$.fn.cycle.transitions = {

    fade: function($cont, $slides, opts) {

        $slides.not(':eq('+opts.startingSlide+')').css('opacity',0);

        opts.before.push(function() { $(this).show() });

        opts.animIn    = { opacity: 1 };

        opts.animOut   = { opacity: 0 };

        opts.cssAfter  = { display: 'none' };

    }

};



$.fn.cycle.ver = function() { return ver; };



// override these globally if you like (they are all optional)

$.fn.cycle.defaults = {

    fx:           'fade', // one of: fade, shuffle, zoom, slideX, slideY, scrollUp/Down/Left/Right

    timeout:       4000,  // milliseconds between slide transitions (0 to disable auto advance)

    speed:         1000,  // speed of the transition (any valid fx speed value)

    speedIn:       null,  // speed of the 'in' transition

    speedOut:      null,  // speed of the 'out' transition

    click:         null,  // @deprecated; please use the 'next' option

    next:          null,  // id of element to use as click trigger for next slide

    prev:          null,  // id of element to use as click trigger for previous slide

    prevNextClick: null,  // callback fn for prev/next clicks:  function(isNext, zeroBasedSlideIndex, slideElement)

    pager:         null,  // id of element to use as pager container

    pagerClick:    null,  // callback fn for pager clicks:  function(zeroBasedSlideIndex, slideElement)

    pagerAnchorBuilder: null, // callback fn for building anchor links

    before:        null,  // transition callback (scope set to element to be shown)

    after:         null,  // transition callback (scope set to element that was shown)

    easing:        null,  // easing method for both in and out transitions

    easeIn:        null,  // easing for "in" transition

    easeOut:       null,  // easing for "out" transition

    shuffle:       null,  // coords for shuffle animation, ex: { top:15, left: 200 }

    animIn:        null,  // properties that define how the slide animates in

    animOut:       null,  // properties that define how the slide animates out

    cssBefore:     null,  // properties that define the initial state of the slide before transitioning in

    cssAfter:      null,  // properties that defined the state of the slide after transitioning out

    fxFn:          null,  // function used to control the transition

    height:       'auto', // container height

    startingSlide: 0,     // zero-based index of the first slide to be displayed

    sync:          1,     // true if in/out transitions should occur simultaneously

    random:        0,     // true for random, false for sequence (not applicable to shuffle fx)

    fit:           0,     // force slides to fit container

    pause:         0,     // true to enable "pause on hover"

    autostop:      0,     // true to end slideshow after X transitions (where X == slide count)

    delay:         0,     // additional delay (in ms) for first transition (hint: can be negative)

    slideExpr:     null,  // expression for selecting slides (if something other than all children is required)

    cleartype:     0,     // true if clearType corrections should be applied (for IE)

    nowrap:        0      // true to prevent slideshow from wrapping

};



})(jQuery);



/*

 * jQuery Cycle Plugin Transition Definitions

 * This script is a plugin for the jQuery Cycle Plugin

 * Examples and documentation at: http://malsup.com/jquery/cycle/

 * Copyright (c) 2007 M. Alsup

 * Version:  2.07

 * Dual licensed under the MIT and GPL licenses:

 * http://www.opensource.org/licenses/mit-license.php

 * http://www.gnu.org/licenses/gpl.html

 */



//

// These functions define one-time slide initialization for the named

// transitions. To save file size feel free to remove any of these that you 

// don't need.

//



// scrollUp/Down/Left/Right

jQuery.fn.cycle.transitions.scrollUp = function($cont, $slides, opts) {

    $cont.css('overflow','hidden');

    opts.before.push(function(curr, next, opts) {

        jQuery(this).show();

        opts.cssBefore.top = next.offsetHeight;

        opts.animOut.top = 0-curr.offsetHeight;

    });

    opts.cssFirst = { top: 0 };

    opts.animIn   = { top: 0 };

    opts.cssAfter = { display: 'none' };

};

jQuery.fn.cycle.transitions.scrollDown = function($cont, $slides, opts) {

    $cont.css('overflow','hidden');

    opts.before.push(function(curr, next, opts) {

        jQuery(this).show();

        opts.cssBefore.top = 0-next.offsetHeight;

        opts.animOut.top = curr.offsetHeight;

    });

    opts.cssFirst = { top: 0 };

    opts.animIn   = { top: 0 };

    opts.cssAfter = { display: 'none' };

};

jQuery.fn.cycle.transitions.scrollLeft = function($cont, $slides, opts) {

    $cont.css('overflow','hidden');

    opts.before.push(function(curr, next, opts) {

        jQuery(this).show();

        opts.cssBefore.left = next.offsetWidth;

        opts.animOut.left = 0-curr.offsetWidth;

    });

    opts.cssFirst = { left: 0 };

    opts.animIn   = { left: 0 };

};

jQuery.fn.cycle.transitions.scrollRight = function($cont, $slides, opts) {

    $cont.css('overflow','hidden');

    opts.before.push(function(curr, next, opts) {

        jQuery(this).show();

        opts.cssBefore.left = 0-next.offsetWidth;

        opts.animOut.left = curr.offsetWidth;

    });

    opts.cssFirst = { left: 0 };

    opts.animIn   = { left: 0 };

};

jQuery.fn.cycle.transitions.scrollHorz = function($cont, $slides, opts) {

    $cont.css('overflow','hidden').width();

//    $slides.show();

    opts.before.push(function(curr, next, opts, fwd) {

        jQuery(this).show();

        var currW = curr.offsetWidth, nextW = next.offsetWidth;

        opts.cssBefore = fwd ? { left: nextW } : { left: -nextW };

        opts.animIn.left = 0;

        opts.animOut.left = fwd ? -currW : currW;

        $slides.not(curr).css(opts.cssBefore);

    });

    opts.cssFirst = { left: 0 };

    opts.cssAfter = { display: 'none' }

};

jQuery.fn.cycle.transitions.scrollVert = function($cont, $slides, opts) {

    $cont.css('overflow','hidden');

//    $slides.show();

    opts.before.push(function(curr, next, opts, fwd) {

        jQuery(this).show();

        var currH = curr.offsetHeight, nextH = next.offsetHeight;

        opts.cssBefore = fwd ? { top: -nextH } : { top: nextH };

        opts.animIn.top = 0;

        opts.animOut.top = fwd ? currH : -currH;

        $slides.not(curr).css(opts.cssBefore);

    });

    opts.cssFirst = { top: 0 };

    opts.cssAfter = { display: 'none' }

};



// slideX/slideY

jQuery.fn.cycle.transitions.slideX = function($cont, $slides, opts) {

    opts.animIn  = { width: 'show' };

    opts.animOut = { width: 'hide' };

};

jQuery.fn.cycle.transitions.slideY = function($cont, $slides, opts) {

    opts.animIn  = { height: 'show' };

    opts.animOut = { height: 'hide' };

};



// shuffle

jQuery.fn.cycle.transitions.shuffle = function($cont, $slides, opts) {

    var w = $cont.css('overflow', 'visible').width();

    $slides.css({left: 0, top: 0});

    opts.before.push(function() { jQuery(this).show() });

    opts.speed = opts.speed / 2; // shuffle has 2 transitions        

    opts.random = 0;

    opts.shuffle = opts.shuffle || {left:-w, top:15};

    opts.els = [];

    for (var i=0; i < $slides.length; i++)

        opts.els.push($slides[i]);



    for (var i=0; i < opts.startingSlide; i++)

        opts.els.push(opts.els.shift());



    // custom transition fn (hat tip to Benjamin Sterling for this bit of sweetness!)

    opts.fxFn = function(curr, next, opts, cb, fwd) {

        var $el = fwd ? jQuery(curr) : jQuery(next);

        $el.animate(opts.shuffle, opts.speedIn, opts.easeIn, function() {

            fwd ? opts.els.push(opts.els.shift()) : opts.els.unshift(opts.els.pop());

            if (fwd) 

                for (var i=0, len=opts.els.length; i < len; i++)

                    jQuery(opts.els[i]).css('z-index', len-i);

            else {

                var z = jQuery(curr).css('z-index');

                $el.css('z-index', parseInt(z)+1);

            }

            $el.animate({left:0, top:0}, opts.speedOut, opts.easeOut, function() {

                jQuery(fwd ? this : curr).hide();

                if (cb) cb();

            });

        });

    };

};



// turnUp/Down/Left/Right

jQuery.fn.cycle.transitions.turnUp = function($cont, $slides, opts) {

    opts.before.push(function(curr, next, opts) {

        jQuery(this).show();

        opts.cssBefore.top = next.cycleH;

        opts.animIn.height = next.cycleH;

    });

    opts.cssFirst  = { top: 0 };

    opts.cssBefore = { height: 0 };

    opts.animIn    = { top: 0 };

    opts.animOut   = { height: 0 };

    opts.cssAfter  = { display: 'none' };

};

jQuery.fn.cycle.transitions.turnDown = function($cont, $slides, opts) {

    opts.before.push(function(curr, next, opts) {

        jQuery(this).show();

        opts.animIn.height = next.cycleH;

        opts.animOut.top   = curr.cycleH;

    });

    opts.cssFirst  = { top: 0 };

    opts.cssBefore = { top: 0, height: 0 };

    opts.animOut   = { height: 0 };

    opts.cssAfter  = { display: 'none' };

};

jQuery.fn.cycle.transitions.turnLeft = function($cont, $slides, opts) {

    opts.before.push(function(curr, next, opts) {

        jQuery(this).show();

        opts.cssBefore.left = next.cycleW;

        opts.animIn.width = next.cycleW;

    });

    opts.cssBefore = { width: 0 };

    opts.animIn    = { left: 0 };

    opts.animOut   = { width: 0 };

    opts.cssAfter  = { display: 'none' };

};

jQuery.fn.cycle.transitions.turnRight = function($cont, $slides, opts) {

    opts.before.push(function(curr, next, opts) {

        jQuery(this).show();

        opts.animIn.width = next.cycleW;

        opts.animOut.left = curr.cycleW;

    });

    opts.cssBefore = { left: 0, width: 0 };

    opts.animIn    = { left: 0 };

    opts.animOut   = { width: 0 };

    opts.cssAfter  = { display: 'none' };

};



// zoom

jQuery.fn.cycle.transitions.zoom = function($cont, $slides, opts) {

    opts.cssFirst = { top:0, left: 0 }; 

    opts.cssAfter = { display: 'none' };

    

    opts.before.push(function(curr, next, opts) {

        jQuery(this).show();

        opts.cssBefore = { width: 0, height: 0, top: next.cycleH/2, left: next.cycleW/2 };

        opts.animIn    = { top: 0, left: 0, width: next.cycleW, height: next.cycleH };

        opts.animOut   = { width: 0, height: 0, top: curr.cycleH/2, left: curr.cycleW/2 };

    });    

};



// fadeZoom

jQuery.fn.cycle.transitions.fadeZoom = function($cont, $slides, opts) {

    opts.before.push(function(curr, next, opts) {

        opts.cssBefore = { width: 0, height: 0, opacity: 1, left: next.cycleW/2, top: next.cycleH/2, zIndex: 1 };

        opts.animIn    = { top: 0, left: 0, width: next.cycleW, height: next.cycleH };

    });    

    opts.animOut  = { opacity: 0 };

    opts.cssAfter = { zIndex: 0 };

};