(function ($) {

    $.fn.easySlider = function (options) {

        var defaults = {
            prevId: 'leftButton',
            prevText: '',
            nextId: 'rightButton',
            nextText: '',
            controlsShow: false,
            controlsBefore: '',
            controlsAfter: '',
            controlsFade: true,
            firstId: 'leftButton',
            firstText: '',
            firstShow: false,
            lastId: 'rightButton',
            lastText: '',
            lastShow: false,
            vertical: false,
            speed: 800,
            auto: false,
            pause: 2000,
            continuous: true,
            numeric: false,
            numericId: 'controls'
        };

        var options = $.extend(defaults, options);

        this.each(function () {
            var obj = $(this);
            var s = $("li", obj).length;
            var w = $("li", obj).width();
            var h = $("li", obj).height();
            var clickable = true;
            obj.width(w);
            obj.height(h);
            obj.css("overflow", "hidden");
            var ts = s - 1;
            var t = 0;
            $("ul", obj).css('width', s * w);

            if (options.continuous) {
                $("ul", obj).prepend($("ul li:last-child", obj).clone().css("margin-left", "-" + w + "px"));
                $("ul", obj).append($("ul li:nth-child(2)", obj).clone());
                $("ul", obj).css('width', (s + 1) * w);
            };

            if (!options.vertical) $("li", obj).css('float', 'left');

            if (options.controlsShow) {
                var html = options.controlsBefore;
                if (options.numeric) {
                    html += '<ol id="' + options.numericId + '"></ol>';
                } else {
                    if (options.firstShow) html += '<span id="' + options.firstId + '"><a href=\"javascript:void(0);\">' + options.firstText + '</a></span>';
                    html += ' <span id="' + options.prevId + '"><a href=\"javascript:void(0);\">' + options.prevText + '</a></span>';
                    html += ' <span id="' + options.nextId + '"><a href=\"javascript:void(0);\">' + options.nextText + '</a></span>';
                    if (options.lastShow) html += ' <span id="' + options.lastId + '"><a href=\"javascript:void(0);\">' + options.lastText + '</a></span>';
                };

                html += options.controlsAfter;
                $(obj).after(html);
            };

            if (options.numeric) {
                for (var i = 0; i < s; i++) {
                    $(document.createElement("li"))
						.attr('id', options.numericId + (i + 1))
						.html('<a rel=' + i + ' href=\"javascript:void(0);\">' + (i + 1) + '</a>')
						.appendTo($("#" + options.numericId))
						.click(function () {
						    animate($("a", $(this)).attr('rel'), true);
						});
                };
            } else {
                $("a", "#" + options.nextId).click(function () {
                    animate("next", true);
                });
                $("a", "#" + options.prevId).click(function () {
                    animate("prev", true);
                });
                $("a", "#" + options.firstId).click(function () {
                    animate("first", true);
                });
                $("a", "#" + options.lastId).click(function () {
                    animate("last", true);
                });
            };

            function setCurrent(i) {
                i = parseInt(i) + 1;
                $("li", "#" + options.numericId).removeClass("current");
                $("li#" + options.numericId + i).addClass("current");
            };

            function adjust() {
                if (t > ts) t = 0;
                if (t < 0) t = ts;
                if (!options.vertical) {
                    $("ul", obj).css("margin-left", (t * w * -1));
                } else {
                    $("ul", obj).css("margin-left", (t * h * -1));
                }
                clickable = true;
                if (options.numeric) setCurrent(t);
            };

            function animate(dir, clicked) {
                if (clickable) {
                    clickable = false;
                    var ot = t;
                    switch (dir) {
                        case "next":
                            t = (ot >= ts) ? (options.continuous ? t + 1 : ts) : t + 1;
                            break;
                        case "prev":
                            t = (t <= 0) ? (options.continuous ? t - 1 : 0) : t - 1;
                            break;
                        case "first":
                            t = 0;
                            break;
                        case "last":
                            t = ts;
                            break;
                        default:
                            t = dir;
                            break;
                    };
                    var diff = Math.abs(ot - t);
                    var speed = diff * options.speed;
                    if (!options.vertical) {
                        p = (t * w * -1);
                        $("ul", obj).animate(
							{ marginLeft: p },
							{ queue: false, duration: speed, complete: adjust, easing: 'easeInOutCirc' }
						);
                    } else {
                        p = (t * h * -1);
                        $("ul", obj).animate(
							{ marginTop: p },
							{ queue: false, duration: speed, complete: adjust }
						);
                    };

                    if (!options.continuous && options.controlsFade) {
                        if (t == ts) {
                            $("a", "#" + options.nextId).hide();
                            $("a", "#" + options.lastId).hide();
                        } else {
                            $("a", "#" + options.nextId).show();
                            $("a", "#" + options.lastId).show();
                        };
                        if (t == 0) {
                            $("a", "#" + options.prevId).hide();
                            $("a", "#" + options.firstId).hide();
                        } else {
                            $("a", "#" + options.prevId).show();
                            $("a", "#" + options.firstId).show();
                        };
                    };

                    if (clicked) clearTimeout(timeout);
                    if (options.auto && dir == "next" && !clicked) {
                        ;
                        timeout = setTimeout(function () {
                            animate("next", false);
                        }, diff * options.speed + options.pause);
                    };

                };

            };
            // init
            var timeout;
            if (options.auto) {
                timeout = setTimeout(function () {
                    animate("next", false);
                }, options.pause);
            };

            if (options.numeric) setCurrent(0);

            if (!options.continuous && options.controlsFade) {
                $("a", "#" + options.prevId).hide();
                $("a", "#" + options.firstId).hide();
            };

        });

    };

})(jQuery);



/*
* jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
*
* Uses the built in easing capabilities added In jQuery 1.1
* to offer multiple easing options
*
* TERMS OF USE - jQuery Easing
* 
* Open source under the BSD License. 
* 
* Copyright © 2008 George McGinley Smith
* All rights reserved.
* 
* Redistribution and use in source and binary forms, with or without modification, 
* are permitted provided that the following conditions are met:
* 
* Redistributions of source code must retain the above copyright notice, this list of 
* conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list 
* of conditions and the following disclaimer in the documentation and/or other materials 
* provided with the distribution.
* 
* Neither the name of the author nor the names of contributors may be used to endorse 
* or promote products derived from this software without specific prior written permission.
* 
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
*  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
*  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
*  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
*  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
* OF THE POSSIBILITY OF SUCH DAMAGE. 
*
*/

// t: current time, b: begInnIng value, c: change In value, d: duration
jQuery.easing['jswing'] = jQuery.easing['swing'];

jQuery.extend(jQuery.easing,
{
    def: 'easeOutQuad',
    swing: function (x, t, b, c, d) {
        //alert(jQuery.easing.default);
        return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
    },
    easeInQuad: function (x, t, b, c, d) {
        return c * (t /= d) * t + b;
    },
    easeOutQuad: function (x, t, b, c, d) {
        return -c * (t /= d) * (t - 2) + b;
    },
    easeInOutQuad: function (x, t, b, c, d) {
        if ((t /= d / 2) < 1) return c / 2 * t * t + b;
        return -c / 2 * ((--t) * (t - 2) - 1) + b;
    },
    easeInCubic: function (x, t, b, c, d) {
        return c * (t /= d) * t * t + b;
    },
    easeOutCubic: function (x, t, b, c, d) {
        return c * ((t = t / d - 1) * t * t + 1) + b;
    },
    easeInOutCubic: function (x, t, b, c, d) {
        if ((t /= d / 2) < 1) return c / 2 * t * t * t + b;
        return c / 2 * ((t -= 2) * t * t + 2) + b;
    },
    easeInQuart: function (x, t, b, c, d) {
        return c * (t /= d) * t * t * t + b;
    },
    easeOutQuart: function (x, t, b, c, d) {
        return -c * ((t = t / d - 1) * t * t * t - 1) + b;
    },
    easeInOutQuart: function (x, t, b, c, d) {
        if ((t /= d / 2) < 1) return c / 2 * t * t * t * t + b;
        return -c / 2 * ((t -= 2) * t * t * t - 2) + b;
    },
    easeInQuint: function (x, t, b, c, d) {
        return c * (t /= d) * t * t * t * t + b;
    },
    easeOutQuint: function (x, t, b, c, d) {
        return c * ((t = t / d - 1) * t * t * t * t + 1) + b;
    },
    easeInOutQuint: function (x, t, b, c, d) {
        if ((t /= d / 2) < 1) return c / 2 * t * t * t * t * t + b;
        return c / 2 * ((t -= 2) * t * t * t * t + 2) + b;
    },
    easeInSine: function (x, t, b, c, d) {
        return -c * Math.cos(t / d * (Math.PI / 2)) + c + b;
    },
    easeOutSine: function (x, t, b, c, d) {
        return c * Math.sin(t / d * (Math.PI / 2)) + b;
    },
    easeInOutSine: function (x, t, b, c, d) {
        return -c / 2 * (Math.cos(Math.PI * t / d) - 1) + b;
    },
    easeInExpo: function (x, t, b, c, d) {
        return (t == 0) ? b : c * Math.pow(2, 10 * (t / d - 1)) + b;
    },
    easeOutExpo: function (x, t, b, c, d) {
        return (t == d) ? b + c : c * (-Math.pow(2, -10 * t / d) + 1) + b;
    },
    easeInOutExpo: function (x, t, b, c, d) {
        if (t == 0) return b;
        if (t == d) return b + c;
        if ((t /= d / 2) < 1) return c / 2 * Math.pow(2, 10 * (t - 1)) + b;
        return c / 2 * (-Math.pow(2, -10 * --t) + 2) + b;
    },
    easeInCirc: function (x, t, b, c, d) {
        return -c * (Math.sqrt(1 - (t /= d) * t) - 1) + b;
    },
    easeOutCirc: function (x, t, b, c, d) {
        return c * Math.sqrt(1 - (t = t / d - 1) * t) + b;
    },
    easeInOutCirc: function (x, t, b, c, d) {
        if ((t /= d / 2) < 1) return -c / 2 * (Math.sqrt(1 - t * t) - 1) + b;
        return c / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1) + b;
    },
    easeInElastic: function (x, t, b, c, d) {
        var s = 1.70158; var p = 0; var a = c;
        if (t == 0) return b; if ((t /= d) == 1) return b + c; if (!p) p = d * .3;
        if (a < Math.abs(c)) { a = c; var s = p / 4; }
        else var s = p / (2 * Math.PI) * Math.asin(c / a);
        return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
    },
    easeOutElastic: function (x, t, b, c, d) {
        var s = 1.70158; var p = 0; var a = c;
        if (t == 0) return b; if ((t /= d) == 1) return b + c; if (!p) p = d * .3;
        if (a < Math.abs(c)) { a = c; var s = p / 4; }
        else var s = p / (2 * Math.PI) * Math.asin(c / a);
        return a * Math.pow(2, -10 * t) * Math.sin((t * d - s) * (2 * Math.PI) / p) + c + b;
    },
    easeInOutElastic: function (x, t, b, c, d) {
        var s = 1.70158; var p = 0; var a = c;
        if (t == 0) return b; if ((t /= d / 2) == 2) return b + c; if (!p) p = d * (.3 * 1.5);
        if (a < Math.abs(c)) { a = c; var s = p / 4; }
        else var s = p / (2 * Math.PI) * Math.asin(c / a);
        if (t < 1) return -.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
        return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p) * .5 + c + b;
    },
    easeInBack: function (x, t, b, c, d, s) {
        if (s == undefined) s = 1.70158;
        return c * (t /= d) * t * ((s + 1) * t - s) + b;
    },
    easeOutBack: function (x, t, b, c, d, s) {
        if (s == undefined) s = 1.70158;
        return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b;
    },
    easeInOutBack: function (x, t, b, c, d, s) {
        if (s == undefined) s = 1.70158;
        if ((t /= d / 2) < 1) return c / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)) + b;
        return c / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2) + b;
    },
    easeInBounce: function (x, t, b, c, d) {
        return c - jQuery.easing.easeOutBounce(x, d - t, 0, c, d) + b;
    },
    easeOutBounce: function (x, t, b, c, d) {
        if ((t /= d) < (1 / 2.75)) {
            return c * (7.5625 * t * t) + b;
        } else if (t < (2 / 2.75)) {
            return c * (7.5625 * (t -= (1.5 / 2.75)) * t + .75) + b;
        } else if (t < (2.5 / 2.75)) {
            return c * (7.5625 * (t -= (2.25 / 2.75)) * t + .9375) + b;
        } else {
            return c * (7.5625 * (t -= (2.625 / 2.75)) * t + .984375) + b;
        }
    },
    easeInOutBounce: function (x, t, b, c, d) {
        if (t < d / 2) return jQuery.easing.easeInBounce(x, t * 2, 0, c, d) * .5 + b;
        return jQuery.easing.easeOutBounce(x, t * 2 - d, 0, c, d) * .5 + c * .5 + b;
    }
});

/*
*
* TERMS OF USE - EASING EQUATIONS
* 
* Open source under the BSD License. 
* 
* Copyright © 2001 Robert Penner
* All rights reserved.
* 
* Redistribution and use in source and binary forms, with or without modification, 
* are permitted provided that the following conditions are met:
* 
* Redistributions of source code must retain the above copyright notice, this list of 
* conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list 
* of conditions and the following disclaimer in the documentation and/or other materials 
* provided with the distribution.
* 
* Neither the name of the author nor the names of contributors may be used to endorse 
* or promote products derived from this software without specific prior written permission.
* 
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
*  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
*  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
*  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
*  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
* OF THE POSSIBILITY OF SUCH DAMAGE. 
*
*/