/**
 * swapImage - jQuery plugin for swapping image
 *
 * Copyright (c) 2010 tszming (tszming@gmail.com)
 *
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */
(function (a) {
    a.swapImage = function (c, b, e, f, d) {
        a.swapImage.files = {};
        a.swapImage.data = {};
        a.swapImage.uuid = 0;
        a.swapImage.init = function () {
            var h = ++a.swapImage.uuid;
            a(this).attr("swapImageId", h);
            var g = a(this).metadata();
            a.swapImage.data[h] = a.swapImage.data[h] || {};
            if (typeof g.src != "undefined") {
                a.swapImage.data[h]["src"] = g.src;
                a.swapImage.files[g.src] = false
            }
            a.each(a.grep([
                [g.sin, "sin"],
                [g.sout, "sout"]
            ], function (i) {
                return (typeof i[0] != "undefined" && i[0].length > 0)
            }), function () {
                var k = this[0];
                var o = this[1];
                for (var m = 0; m < k.length; m++) {
                    var j = g[o][m].indexOf(":");
                    var n = g[o][m].substring(0, j);
                    var l = g[o][m].substring(j + 1);
                    a.swapImage.data[h][o] = a.swapImage.data[h][o] || [];
                    if (j > 1) {
                        a.swapImage.data[h][o].push([n, l]);
                        a.swapImage.files[l] = false
                    } else {
                        a.swapImage.data[h][o].push([l])
                    }
                }
            })
        };
        a.swapImage.preload = function () {
            a.each(a.swapImage.files, function (i, h) {
                if (h == false) {
                    a.swapImage.files[i] = true;
                    var g = new Image();
                    g.src = i
                }
            })
        };
        a.swapImage.swapIn = function () {
            a.swapImage.swap(this, "sin")
        };
        a.swapImage.swapOut = function () {
            a.swapImage.swap(this, "sout")
        };
        a.swapImage.swap = function (j, g) {
            var k = a(j).attr("swapImageId");
            if (typeof a.swapImage.data[k][g] != "undefined") {
                for (var h = 0; h < a.swapImage.data[k][g].length; h++) {
                    if (a.swapImage.data[k][g][h].length > 1) {
                        a(a.swapImage.data[k][g][h][0]).attr("src", a.swapImage.data[k][g][h][1])
                    } else {
                        a(a.swapImage.data[k][g][h][0]).each(a.swapImage._swap)
                    }
                }
            } else {
                a.swapImage._swap.call(j)
            }
        };
        a.swapImage._swap = function (i) {
            var j = a(this).attr("swapImageId");
            var h = a.swapImage.data[j];
            if (typeof h.src != "undefined") {
                var g = h.src;
                h.src = this.src;
                this.src = g
            }
        };
        a(document).ready(function () {
            if (typeof e == "undefined") {
                e = true
            }
            if (typeof b == "undefined") {
                b = true
            }
            a(c).each(a.swapImage.init);
            if (typeof f == "undefined" && typeof f == "undefined") {
                f = "mouseenter";
                d = "mouseleave"
            }
            if (e) {
                if (typeof d != "undefined") {
                    a(c).bind(f, a.swapImage.swapIn).bind(d, a.swapImage.swapOut)
                } else {
                    a(c).bind(f, a.swapImage.swapIn)
                }
            } else {
                a(c).one(f, a.swapImage.swapIn)
            }
            if (b) {
                a(c).each(a.swapImage.preload)
            }
        })
    }
})(jQuery);