/*

* jQuery Litebox - jQuery plug-in

* Beta 2r2, Released 2007.03.14

*

* Copyright (c) 2007 Daniel MacDonald (www.projectatomic.com)

* Dual licensed GPL http://www.gnu.org/licenses/gpl.html 

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

*/
(function($) {
    $.fn.litebox = function(o) {
        if (window.XMLHttpRequest && typeof document.doctype == 'object' && !window.opera) { //ie6+, mozilla1.0+, safari1.2+, konquerer, icab3.0+
            var s = {
                items: 'a',
                cz: '0.6em',
                oc: 'white', oy: 0.7, oz: 1000, sc: 'black', sw: 0.8, sh: 0.9, ns: 2, nc: 'white', nz: '0.6em', nf: 'sans-serif', lu: 'loading.gif', lh: 128, lw: 128, ld: 2000, a: false, loop: false, count: true, ad: 5000, auto: 'AUTO', stop: 'STOP', restart: 'RESTART', image: 'IMAGE', of: 'OF', close: 'CLOSE', prev: 'PREV', next: 'NEXT', aa: 'SPACEBAR', ac: 'ESC', ap: 'LEFT ARROW', an: 'RIGHT ARROW', click: 'CLICK TO SEE FULL IMAGE IN NEW WINDOW' };
            if (o) {
                $.extend(s, o);
            }
            return this.each(function() {
                //var g = $(this).find('a').click(function(){ 
                var g = $(this).find(s.items).click(function() {
                    var i = $(g).index($(this)[0]);
                    $.litebox.init(i, g, s);
                    return false;
                });
            });
        }
    };
    $.litebox = {
        i: 0,
        g: [],
        s: {},
        lt: 0,
        at: 0,
        init: function(i, g, s) {
            this.i = i;
            this.g = g;
            this.s = s;
            var htmlInsert = ''
            + '<iframe id="ss_o" src="" scrolling="no" frameborder="0"></iframe>'
            + '<div id="ss_s">'
                + '<img id="ss_l" />'
                + '<img id="ss_i" />'
                + '<a id="ss_a" href=""></a>'
                + '<a id="ss_x" href=""></a>'
                + '<div id="ss_c"></div>'
                + '<a id="ss_p" href=""></a>'
                + '<a id="ss_n" href=""></a>'
            + '</div>';
            $("body").append(htmlInsert);
            $('#ss_o').css({ position: 'fixed', zIndex: s.oz, opacity: 0, background: s.oc });
            $('#ss_s').css({ position: 'fixed', zIndex: s.oz + 1, opacity: 0, background: s.sc });
            $('#ss_l').attr('src', s.lu).css({ position: 'absolute', zIndex: s.oz + 2, height: s.lh, width: s.lw, display: 'none' });
            $('#ss_i').attr('alt', s.click).css({ position: 'absolute', zIndex: s.oz + 3, opacity: 0, border: 'none' }).bind('click', function() {
                var w = window.open($($.litebox.g[$.litebox.i]).attr('href'), 'liteboxwin');
                return false;
            });
            $('#ss_c').css({ position: 'absolute', display: 'block', color: s.nc, font: s.cz + '/1 ' + s.nf, textDecoration: 'none', outline: 'none !impotant' });
            $('#ss_s').css({ /*position: 'absolute', display: 'block',*/ color: s.nc, font: s.nz + '/1 ' + s.nf, textDecoration: 'none', outline: 'none !impotant' });
            $('#ss_c').css({ width: '100%', bottom: s.ns, /*left: '25%',*/ textAlign: 'center' });
            //            if (s.count) {
            //                $('#ss_c').html(s.image + '&nbsp;' + s.of + '&nbsp;');
            //            }
            $('#ss_a').attr('title', s.aa).css({ top: s.ns, left: s.ns * 2, position: 'absolute' }).bind('click', function() {
                $.litebox.toggle();
                return false;
            });
            if (s.a) {
                $('#ss_a').html(s.stop);
            } else {
                $('#ss_a').html(s.auto);
            }
            $('#ss_x').attr('title', s.ac).html(s.close).css({ top: s.ns, right: s.ns * 2, position: 'absolute' }).bind('click', function() {
                $.litebox.remove();
                return false;
            });
            $('#ss_p').attr('title', s.ap).html(s.prev).css({ bottom: s.ns, left: s.ns * 2, position: 'absolute' }).bind('click', function() {
                $.litebox.moveprev();
                return false;
            });
            $('#ss_n').attr('title', s.an).html(s.next).css({ bottom: s.ns, right: s.ns * 2, position: 'absolute' }).bind('click', function() {
                $.litebox.movenext();
                return false;
            });
            $(document).bind('keydown', function(e) {
                var key = e.which || e.keyCode || e.charCode;
                switch (key) {
                    case 27: // [esc]
                        $.litebox.remove();
                        break;
                    case 37: // [left arrow]
                        $.litebox.moveprev();
                        break;
                    case 39: // [right arrow]
                        $.litebox.movenext();
                        break;
                    case 32: // [spacebar]
                        $.litebox.auto();
                        break;
                }
                return false;
            });
            $.litebox.position();
            $('#ss_o').fadeTo('normal', s.oy, function() {
                $('#ss_s').fadeTo('normal', 1);
                $.litebox.load(i, g);
            });
        },
        load: function(i, g) {
            var s = this.s;
            $('#ss_i').fadeTo('normal', 0, function() {
                $.litebox.lt = setTimeout($.litebox.loading, s.ld);
                $('#ss_i').bind('load', function() {
                    clearTimeout($.litebox.lt);
                    $('#ss_l').css('display', 'none');
                    $.litebox.resize($(g[i]).attr('href'));
                    if (s.count) {
                        $('#ss_c').html($(g[i]).attr("title"));
                    }
                    if (i > 0) {
                        $('#ss_p').css('display', 'block');
                        $.litebox.preload($(g[i - 1]).attr('href'));
                    } else {
                        $('#ss_p').css('display', 'none');
                    }
                    if (i + 1 < g.length) {
                        $('#ss_n').css('display', 'block');
                        $.litebox.preload($(g[i + 1]).attr('href'));
                    } else {
                        $('#ss_n').css('display', 'none');
                    }
                    if (s.a == true) {
                        $.litebox.auto();
                    }
                });
                $('#ss_i').attr('src', $(g[i]).attr('href'))
            });
        },
        loading: function() {
            $('#ss_l').css('display', 'block');
        },
        position: function(e) {
            var s = (e) ? e.data.s : this.s;
            var xh = parseInt($('#ss_x').height(), 10), ww = self.innerWidth || document.documentElement.clientWidth, wh = self.innerHeight || document.documentElement.clientHeight;
            $('#ss_o').css({ height: wh, width: ww, top: 0, left: 0 });
            $('#ss_s').css({ height: wh * s.sh, width: ww * s.sw, top: wh / 2 - wh * s.sh / 2, left: ww / 2 - ww * s.sw / 2 });
            $('#ss_l').css({ top: wh * s.sh / 2 - s.lh / 2, left: ww * s.sw / 2 - s.lw / 2 });
            if (typeof document.body.style.maxHeight == 'undefined') { //ie6 only
                var sx = document.documentElement.scrollLeft, sy = document.documentElement.scrollTop;
                $('#ss_o').css({ position: 'absolute', top: sy, left: sx });
                $('#ss_s').css({ position: 'absolute', top: wh / 2 - wh * s.sh / 2 + sy, left: ww / 2 - ww * s.sw / 2 + sx });
                $(window).bind('scroll', { s: s }, $.litebox.position);
            }
            $.litebox.resize($('#ss_i').attr('src'));
            $(window).bind('resize', { s: s }, $.litebox.position);
        },
        preload: function(src) {
            var img = document.createElement('img');
            img.src = src;
        },
        resize: function(src) {
            if (typeof src != 'undefined') {
                var s = this.s;
                var img = new Image();
                img.src = src;
                var xh = parseInt($('#ss_x').height(), 10);
                var sw = parseInt($('#ss_s').width(), 10) - 2 * (xh + 3 * s.ns);
                var sh = parseInt($('#ss_s').height(), 10) - 2 * (xh + 3 * s.ns);
                var iw = img.width;
                var ih = img.height;
                if (iw > sw) {
                    ih = ih * (sw / iw);
                    iw = sw;
                    if (ih > sh) {
                        iw = iw * (sh / ih);
                        ih = sh;
                    }
                } else if (ih > sh) {
                    iw = iw * (sh / ih);
                    ih = sh;
                    if (iw > sw) {
                        ih = ih * (sw / iw);
                        iw = sw;
                    }
                }
                $('#ss_i').css({ height: ih, width: iw, top: sh / 2 - ih / 2 + xh + 2 * s.ns, left: sw / 2 - iw / 2 + xh + 3 * s.ns }).fadeTo('normal', 1);
            }
        },
        toggle: function() {
            var s = $.litebox.s;
            if (s.a) {
                clearTimeout($.litebox.at);
                $.litebox.s.a = false;
                $('#ss_a').html(s.auto);
            } else {
                $.litebox.s.a = true;
                $('#ss_a').html(s.stop);
                $.litebox.auto();
            }
        },
        auto: function() {
            var s = $.litebox.s;
            clearTimeout($.litebox.at);
            if (this.i + 1 < this.g.length) {
                $.litebox.at = setTimeout($.litebox.movenext, s.ad);
            } else if (s.loop) {
                $.litebox.i = -1;
                $.litebox.at = setTimeout($.litebox.autoload, s.ad);
            } else {
                $('#ss_a').html(s.restart).one('click', function() {
                    $('#ss_a').html(s.stop);
                    $.litebox.s.a = true;
                    $.litebox.i = 0;
                    $.litebox.at = setTimeout($.litebox.autoload, s.ad);
                });
            }
        },
        autoload: function() {
            $.litebox.load($.litebox.i, $.litebox.g);
        },
        moveprev: function() {
            clearTimeout($.litebox.at);
            $.litebox.s.a = false;
            $('#ss_a').html($.litebox.s.auto);
            if ($.litebox.i > 0) {
                $.litebox.i -= 1;
                $.litebox.load($.litebox.i, $.litebox.g);
            }
        },
        movenext: function() {
            if ($.litebox.i + 1 < $.litebox.g.length) {
                $.litebox.i += 1;
                $.litebox.load($.litebox.i, $.litebox.g);
            }
        },
        remove: function() {
            $(window).unbind('resize').unbind('scroll');
            $(document).unbind('keydown');
            $('#ss_l').remove();
            $('#ss_s').fadeTo('normal', 0, function() {
                $('#ss_s').remove();
                $('#ss_o').fadeTo('normal', 0, function() {
                    $('#ss_o').remove();
                });
            });
        }
    };
})(jQuery);