(function ($) {
    var settings = {
        autoplay: true,
        timeout: 6000,
        effectTime: 2000,
        largeurImage: 960,
        btNext: '#btNext',
        btBack: '#btBack',
        btPause: '#btPause',
        btPlay: '#btPlay'
    };

    var state = {
        offsetSlider: 0,
        nbImg: 0,
        playing: false
    };

    var me = null;

    var playAnim = function () {
        setTimeout(function () {
            var lImg = settings.largeurImage;

            if (state.offsetSlider <= -(state.nbImg - 1) * lImg && state.playing) {
                state.offsetSlider += lImg;

                me.append(me.find("li:first-child").clone());
                me.find("li:first").remove();
                me.css("margin-left", state.offsetSlider);
            }
            if (state.playing) {
                me.portfolio('next');
                playAnim();
            }
        }, settings.timeout);
    };

    var methods = {
        init: function (options) {
            $.extend(settings, options);

            me = $(this);

            state.nbImg = $(me).find('li').length;

            if (settings.autoplay) {
                state.playing = true;
                $(settings.btPlay).hide();
                playAnim();
            }

            $(settings.btNext).click(function () {
                me.portfolio('next');
                return false;
            });

            $(settings.btBack).click(function () {
                me.portfolio('back');
                return false;
            });

            $(settings.btPause).click(function () {
                me.portfolio('pause');
                return false;
            });

            $(settings.btPlay).click(function () {
                me.portfolio('play');
                return false;
            });
        },
        next: function () {
            if (state.offsetSlider > -((state.nbImg - 1) * settings.largeurImage)) {
                state.offsetSlider -= settings.largeurImage;
                me.animate({
                    'margin-left': state.offsetSlider
                }, settings.effectTime, "easeOutCubic", function () {
                });
            }
        },
        back: function () {
            if (state.offsetSlider < 0) {
                state.offsetSlider += settings.largeurImage;
                me.animate({
                    'margin-left': state.offsetSlider
                }, settings.effectTime, "easeOutCubic", function () {
                });
            }
        },
        play: function () {
            state.playing = true;
            $(settings.btPlay).hide();
            $(settings.btPause).show();

            playAnim();
        },
        pause: function () {
            state.playing = false;
            $(settings.btPause).hide();
            $(settings.btPlay).show();
        }
    };

    $.fn.portfolio = function (method) {
        // Method calling logic
        if (methods[method]) {
            return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));

        } else if (typeof method === 'object' || !method) {
            return methods.init.apply(this, arguments);

        } else {
            $.error('Method ' + method + ' does not exist on jQuery.portfolio');
        }
    };
})(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.
*
*/

var buildPrompt = function (caller, promptText, showTriangle) {
    $(".formError").remove();
    var divFormError = document.createElement('div');
    var formErrorContent = document.createElement('div');
    var arrow = document.createElement('div');

    $(divFormError).addClass("formError");
    $(divFormError).addClass($(caller).attr("id"));
    $(formErrorContent).addClass("formErrorContent");
    $(arrow).addClass("formErrorArrow");

    $("body").append(divFormError);
    $(divFormError).append(arrow);
    $(divFormError).append(formErrorContent);

    if (showTriangle == true) {        // NO TRIANGLE ON MAX CHECKBOX AND RADIO
        $(arrow).html('<div class="line10"></div><div class="line9"></div><div class="line8"></div><div class="line7"></div><div class="line6"></div><div class="line5"></div><div class="line4"></div><div class="line3"></div><div class="line2"></div><div class="line1"></div>');
    }
    $(formErrorContent).html(promptText);

    var callerTopPosition = $(caller).offset().top;
    var callerleftPosition = $(caller).offset().left;
    var callerWidth = $(caller).width();
    var callerHeight = $(caller).height();
    var inputHeight = $(divFormError).height();

    callerleftPosition = callerleftPosition + callerWidth - 30;
    callerTopPosition = callerTopPosition - inputHeight - 10;

    $(divFormError).css({
        top: callerTopPosition,
        left: callerleftPosition,
        opacity: 0.5
    });
    //suppression
    $(caller).focus(function () {
        $(".formError").remove();
    });

    $(divFormError).fadeTo("fast", 0.95);
    $('html, body').animate({ scrollTop: callerTopPosition - 20 }, 'slow');
}