/*
* CrossSlide jQuery plugin v0.6.2
*
* Copyright 2007-2010 by Tobia Conforto <tobia.conforto@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
(function () {
    var d = jQuery, a = (d.fn.startAnimation ? "startAnimation" : "animate"), c = "pause plugin missing."; function e(h) {
        for (var g = 1; g < arguments.length; g++)
        { h = h.replace(new RegExp("\\{" + (g - 1) + "}", "g"), arguments[g]) } return h
    }
    function f() { arguments[0] = "CrossSlide: " + arguments[0]; throw new Error(e.apply(null, arguments)) }
    function b(i) {
        var g = 1; var h = i.replace(/^\s*|\s*$/g, "").split(/\s+/); if (h.length > 3)
        { throw new Error() } if (h[0] == "center") {
            if (h.length == 1) { h = ["center", "center"] }
            else { if (h.length == 2 && h[1].match(/^[\d.]+x$/i)) { h = ["center", "center", h[1]] } } 
        }
        if (h.length == 3) { g = parseFloat(h[2].match(/^([\d.]+)x$/i)[1]) } var j = h[0] + " " + h[1];
        if (j == "left top" || j == "top left") { return { xrel: 0, yrel: 0, zoom: g} }
        if (j == "left center" || j == "center left") { return { xrel: 0, yrel: 0.5, zoom: g} }
        if (j == "left bottom" || j == "bottom left") { return { xrel: 0, yrel: 1, zoom: g} }
        if (j == "center top" || j == "top center") { return { xrel: 0.5, yrel: 0, zoom: g} }
        if (j == "center center") { return { xrel: 0.5, yrel: 0.5, zoom: g} }
        if (j == "center bottom" || j == "bottom center") { return { xrel: 0.5, yrel: 1, zoom: g} }
        if (j == "right top" || j == "top right") { return { xrel: 1, yrel: 0, zoom: g} }
        if (j == "right center" || j == "center right") { return { xrel: 1, yrel: 0.5, zoom: g} }
        if (j == "right bottom" || j == "bottom right") { return { xrel: 1, yrel: 1, zoom: g} }
        return { xrel: parseInt(h[0].match(/^(\d+)%$/)[1]) / 100, yrel: parseInt(h[1].match(/^(\d+)%$/)[1]) / 100, zoom: g}
    }
    d.fn.crossSlide = function (i, k, l) {
        var g = this, j = this.width(), h = this.height();
        if (g.length != 1) { f("crossSlide() must be called on exactly 1 element") }
        g.get(0).crossSlideArgs = [i, k, l]; k = d.map(k, function (m) { return d.extend({}, m) });
        if (!i.easing) { i.easing = i.variant ? "swing" : "linear" }
        if (!l) { l = function () { } } (function (o) {
            var m = 0; function n(q, p) {
                p.onload = function (r) {
                    m++; k[q].width = p.width; k[q].height = p.height;
                    if (m == k.length) { o() } 
                }; p.src = k[q].src;
                if (q + 1 < k.length) { n(q + 1, new Image()) } 
            } n(0, new Image())
        })(function () {
            if (!i.fade) { f("missing fade parameter.") }
            if (i.speed && i.sleep) { f("you cannot set both speed and sleep at the same time.") } var A = Math.round(i.fade * 1000);
            if (i.sleep) { var z = Math.round(i.sleep * 1000) }
            if (i.speed) { var o = i.speed / 1000, v = Math.round(A * o) } g.empty().css({ overflow: "hidden", padding: 0 });
            if (!/^(absolute|relative|fixed)$/.test(g.css("position"))) { g.css({ position: "relative" }) }
            if (!g.width() || !g.height()) { f("container element does not have its own width and height") }
            if (i.shuffle) { k.sort(function () { return Math.random() - 0.5 }) }
            for (var t = 0; t < k.length; ++t) {
                var m = k[t]; 
                if (!m.src) { f("missing src parameter in picture {0}.", t + 1) }
                if (o) {
                    switch (m.dir) {
                        case "up": 
                            m.from = { xrel: 0.5, yrel: 0, zoom: 1 };
                            m.to = { xrel: 0.5, yrel: 1, zoom: 1 }; var x = m.height - h - 2 * v;
                            break;
                        case "down":
                            m.from = { xrel: 0.5, yrel: 1, zoom: 1 }; 
                            m.to = { xrel: 0.5, yrel: 0, zoom: 1 }; var x = m.height - h - 2 * v;
                            break;
                        case "left":
                            m.from = { xrel: 0, yrel: 0.5, zoom: 1 };
                            m.to = { xrel: 1, yrel: 0.5, zoom: 1 }; 
                            var x = m.width - j - 2 * v;
                            break;
                        case "right":
                            m.from = { xrel: 1, yrel: 0.5, zoom: 1 };
                            m.to = { xrel: 0, yrel: 0.5, zoom: 1 }; 
                            var x = m.width - j - 2 * v;
                            break;
                        default: 
                            f("missing or malformed dir parameter in picture {0}.", t + 1)
                    }
                    if (x <= 0) { f("impossible animation: either picture {0} is too small or div is too large or fade duration too long.", t + 1) }
                    m.time_ms = Math.round(x / o)
                }
                else {
                    if (!z) {
                        if (!m.from || !m.to || !m.time) { f("missing either speed/sleep option, or from/to/time params in picture {0}.", t + 1) }
                        try { m.from = b(m.from) } catch (w) { f('malformed "from" parameter in picture {0}.', t + 1) }
                        try { m.to = b(m.to) } catch (w) { f('malformed "to" parameter in picture {0}.', t + 1) }
                        if (!m.time) { f('missing "time" parameter in picture {0}.', t + 1) } m.time_ms = Math.round(m.time * 1000)
                    } 
                }
                if (m.from) {
                    d.each([m.from, m.to], function (p, C) {
                        C.width = Math.round(m.width * C.zoom); C.height = Math.round(m.height * C.zoom); C.left = Math.round((j - C.width) * C.xrel);
                        C.top = Math.round((h - C.height) * C.yrel)
                    })
                }
                var s, y;
                y = s = d(e('<img src="{0}"/>', m.src));
                if (m.href) { y = d(e('<a href="{0}"></a>', m.href)).append(s) }
                if (m.onclick) { y.click(m.onclick) }
                if (m.alt) { s.attr("alt", m.alt) }
                if (m.rel) { y.attr("rel", m.rel) }
                if (m.href && m.target) { y.attr("target", m.target) } 
                y.appendTo(g)
            } 
            delete o;
            function n(D, C) {
                var E = [0, A / (D.time_ms + 2 * A), 1 - A / (D.time_ms + 2 * A), 1][C];
                return { left: Math.round(D.from.left + E * (D.to.left - D.from.left)), top: Math.round(D.from.top + E * (D.to.top - D.from.top)), width: Math.round(D.from.width + E * (D.to.width - D.from.width)), height: Math.round(D.from.height + E * (D.to.height - D.from.height))}
            } var u = g.find("img").css({ position: "absolute", visibility: "hidden", top: 0, left: 0, border: 0 }); u.eq(0).css({ visibility: "visible" });
            if (!z) { u.eq(0).css(n(k[0], i.variant ? 0 : 1)) }
            var B = i.loop;
            function q(O, p) {
                if (O % 2 == 0) {
                    if (z) {
                        var E = O / 2, S = (E - 1 + k.length) % k.length, P = u.eq(E), M = u.eq(S); 
                        var L = function () { l(E, P.get(0)); M.css("visibility", "hidden"); setTimeout(p, z) } }
                    else {
                        var H = O / 2, S = (H - 1 + k.length) % k.length, R = u.eq(H), M = u.eq(S), F = k[H].time_ms, N = n(k[H], i.variant ? 3 : 2); 
                        var L = function () { l(H, R.get(0)); M.css("visibility", "hidden"); R[a](N, F, i.easing, p) } } 
                }
                else {
                    var D = Math.floor(O / 2), G = Math.ceil(O / 2) % k.length, Q = u.eq(D), C = u.eq(G), T = {}, K = { visibility: "visible" }, J = {}; 
                    if (G > D) {
                        K.opacity = 0; J.opacity = 1;
                        if (i.doubleFade) { T.opacity = 0 } 
                    }
                    else { T.opacity = 0; if (i.doubleFade) { K.opacity = 0; J.opacity = 1 } }
                    if (!z) {
                        d.extend(K, n(k[G], 0));
                        if (!i.variant) {
                            d.extend(T, n(k[D], 3));
                            d.extend(J, n(k[G], 1))
                        }
                    }
                    if (d.isEmptyObject(J)) {
                        var L = function () {
                            l(G, C.get(0), D, Q.get(0)); C.css(K);
                            Q[a](T, A, "linear", p)
                        } 
                    }
                    else {
                        if (d.isEmptyObject(T)) {
                            var L = function () {
                                l(G, C.get(0), D, Q.get(0));
                                C.css(K); C[a](J, A, "linear", p)
                            } 
                        }
                        else {
                            var L = function () {
                                l(G, C.get(0), D, Q.get(0));
                                C.css(K); C[a](J, A, "linear");
                                Q[a](T, A, "linear", p)
                            } 
                        } 
                    } 
                }
                if (i.loop && O == k.length * 2 - 2) {
                    var I = L; L = function () {
                        if (--B) { I() } 
                    } 
                }
                if (O > 0) { return q(O - 1, L) }
                else { return L }
            } var r = q(k.length * 2 - 1, function () { return r() }); 
            r()
        }); return g
    };
    d.fn.crossSlideFreeze = function () { this.find("img").stop() };
    d.fn.crossSlideStop = function () { this.find("img").stop().remove() };
    d.fn.crossSlideRestart = function () { this.find("img").stop().remove();
    d.fn.crossSlide.apply(this, this.get(0).crossSlideArgs) };
    d.fn.crossSlidePause = function () { if (!d.fn.pause) { f(c) } this.find("img").pause() }; 
    d.fn.crossSlideResume = function () { if (!d.fn.pause) { f(c) } this.find("img").resume() } })();