/*
 * jquery cycle plugin for light-weight slideshows
 * examples and documentation at: http://malsup.com/jquery/cycle/
 * copyright (c) 2007-2008 m. alsup
 * version: 2.22 (06/08/2008)
 * 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 = '2.22';
var ie6 = $.browser.msie && /msie 6.0/.test(navigator.useragent);

function log() {
    if (window.console && window.console.log)
        window.console.log('[cycle] ' + array.prototype.join.call(arguments,''));
};

$.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 };
            };
        }

        // stop existing slideshow for this container (if there is one)
        if (this.cycletimeout) cleartimeout(this.cycletimeout);
        this.cycletimeout = 0;
        this.cyclepause = 0;

        var $cont = $(this);
        var $slides = options.slideexpr ? $(options.slideexpr, this) : $cont.children();
        var els = $slides.get();
        if (els.length < 2) {
            log('terminating; too few slides: ' + els.length);
            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; });
        if (opts.continuous)
            opts.after.push(function() { go(els,opts,0,!opts.rev); });

        // cleartype corrections
        if (ie6 && opts.cleartype && !opts.cleartypenobg)
            cleartypefix($slides);

        // allow shorthand overrides of width, height and timeout
        var cls = this.classname;
        opts.width = parseint((cls.match(/w:(\d+)/)||[])[1]) || opts.width;
        opts.height = 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 (opts.width)
            $cont.width(opts.width);
        if (opts.height && opts.height != 'auto')
            $cont.height(opts.height);

        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', top:0, left:0}).hide().each(function(i) {
            var z = first ? i >= first ? els.length - (i-first) : first-i : els.length-i;
            $(this).css('z-index', z)
        });

        $(els[first]).css('opacity',1).show(); // opacity bit needed to handle reinit case

        if ($.browser.msie) els[first].style.removeattribute('filter');

        if (opts.fit && opts.width)
            $slides.width(opts.width);
        if (opts.fit && opts.height && opts.height != 'auto')
            $slides.height(opts.height);
        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);
        else if (opts.fx != 'custom')
            log('unknown transition: ' + opts.fx);

        $slides.each(function() {
            var $el = $(this);
            this.cycleh = (opts.fit && opts.height) ? opts.height : $el.height();
            this.cyclew = (opts.fit && opts.width) ? opts.width : $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);

        // expose fn for adding slides after the show has started
        opts.addslide = function(newslide) {
            var $s = $(newslide), s = $s[0];
            if (!opts.autostopcount)
                opts.countdown++;
            els.push(s);
            if (opts.els)
                opts.els.push(s); // shuffle needs this
            opts.slidecount = els.length;

            $s.css('position','absolute').appendto($cont);

            if (ie6 && opts.cleartype && !opts.cleartypenobg)
                cleartypefix($s);

            if (opts.fit && opts.width)
                $s.width(opts.width);
            if (opts.fit && opts.height && opts.height != 'auto')
                $slides.height(opts.height);
            s.cycleh = (opts.fit && opts.height) ? opts.height : $s.height();
            s.cyclew = (opts.fit && opts.width) ? opts.width : $s.width();

            $s.css(opts.cssbefore);

            if (typeof opts.onaddslide == 'function')
                opts.onaddslide($s);
        };

        if (opts.timeout || opts.continuous)
            this.cycletimeout = settimeout(
                function(){go(els,opts,0,!opts.rev)},
                opts.continuous ? 10 : 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))) {
        if (opts.end)
            opts.end(opts);
        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)
            $.fn.cycle.updateactivepagerlink(opts.pager, opts.currslide);
    }
    if (opts.timeout && !opts.continuous)
        p.cycletimeout = settimeout(function() { go(els,opts,0,!opts.rev) }, opts.timeout);
    else if (opts.continuous && p.cyclepause)
        p.cycletimeout = settimeout(function() { go(els,opts,0,!opts.rev) }, 10);
};

$.fn.cycle.updateactivepagerlink = function(pager, currslide) {
    $(pager).find('a').removeclass('activeslide').filter('a:eq('+currslide+')').addclass('activeslide');
};

// 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);
        $a.bind(opts.pagerevent, function() {
            opts.nextslide = i;
            var p = els[0].parentnode, timeout = p.cycletimeout;
            if (timeout) {
                cleartimeout(timeout);
                p.cycletimeout = 0;
            }
            if (typeof opts.pagerclick == 'function')
                opts.pagerclick(opts.nextslide, els[opts.nextslide]);
            go(els,opts,1,!opts.rev);
            return false;
        });
    });
   //$p.find('a').filter('a:eq('+opts.startingslide+')').addclass('activeslide');
   $.fn.cycle.updateactivepagerlink(opts.pager, opts.startingslide);
};

// 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.cssbefore = { 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:           'scollleft', // one of: fade, shuffle, zoom, scrollleft, etc
    timeout:       3000,  // milliseconds between slide transitions (0 to disable auto advance)
    continuous:    0,     // true to start next transition immediately after current one completes
    speed:         500,  // speed of the transition (any valid fx speed value)
    speedin:       null,  // speed of the 'in' transition
    speedout:      null,  // speed of the 'out' transition
    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)
    pagerevent:   'click', // event which drives the pager navigation
    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)
    end:           null,  // callback invoked when the slideshow terminates (use with autostop or nowrap options)
    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:         1,     // true to enable "pause on hover"
    autostop:      0,     // true to end slideshow after x transitions (where x == slide count)
    autostopcount: 0,     // number of transitions (optionally used with autostop to define x)
    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) 2007-2008 m. alsup
 * version:  2.22
 * dual licensed under the mit and gpl licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 */
(function($) {

//
// 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.
//

// scrollleft/right
$.fn.cycle.transitions.scrollleft = function($cont, $slides, opts) {
    $cont.css('overflow','hidden');
    opts.before.push(function(curr, next, opts) {
        $(this).show();
        opts.cssbefore.left = next.offsetwidth;
        opts.animout.left = 0-curr.offsetwidth;
    });
    opts.cssfirst = { left: 0 };
    opts.animin   = { left: 0 };
};
$.fn.cycle.transitions.scrollright = function($cont, $slides, opts) {
    $cont.css('overflow','hidden');
    opts.before.push(function(curr, next, opts) {
        $(this).show();
        opts.cssbefore.left = 0-next.offsetwidth;
        opts.animout.left = curr.offsetwidth;
    });
    opts.cssfirst = { left: 0 };
    opts.animin   = { left: 0 };
};
$.fn.cycle.transitions.scrollhorz = function($cont, $slides, opts) {
    $cont.css('overflow','hidden').width();
//    $slides.show();
    opts.before.push(function(curr, next, opts, fwd) {
        $(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);