/*
* 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.
*
*/
(function($) {
    $.fn.ContentSlider = function(options)
    {
        var defaults = {
            leftBtn : 'images/cs_leftImg.jpg',
            rightBtn : 'images/cs_rightImg.jpg',
            width : '778px',
            height : '400px',
            speed : 400,
            easing : 'easeOutQuad',
            textResize : false,
            IE_h2 : '26px',
            IE_p : '11px'
        }
        var defaultWidth = defaults.width;
        var o = $.extend(defaults, options);
        var w = parseInt(o.width);
        var n = this.children('.cs_wrapper').children('.cs_slider').children('.cs_article').length;
        var x = -1*w*n+w; // Minimum left value
        var p = parseInt(o.width)/parseInt(defaultWidth);
        var thisInstance = this.attr('id');
        var inuse = false; // Prevents colliding animations
        
        function moveSlider(d, b)
        {
            var l = parseInt(b.siblings('.cs_wrapper').children('.cs_slider').css('left'));
            if(isNaN(l)) {
                var l = 0;
            }
            var m = (d=='left') ? l-w : l+w;
            if(m<=0&&m>=x) {
                b
                .siblings('.cs_wrapper')
                .children('.cs_slider')
                .animate({
                    'left':m+'px'
                }, o.speed, o.easing, function() {
                    inuse=false;
                });
                if(b.attr('class')=='cs_leftBtn') {
                    var thisBtn = $('#'+thisInstance+' .cs_leftBtn');
                    var otherBtn = $('#'+thisInstance+' .cs_rightBtn');
                } else {
                    var thisBtn = $('#'+thisInstance+' .cs_rightBtn');
                    var otherBtn = $('#'+thisInstance+' .cs_leftBtn');
                }
                if(m==0||m==x) {
                    thisBtn.animate({
                        'opacity':'0'
                    }, o.speed, o.easing, function() {
                        thisBtn.hide();
                    });
                }
                if(otherBtn.css('opacity')=='0') {
                    otherBtn.show().animate({
                        'opacity':'1'
                    }, {
                        duration:o.speed, 
                        easing:o.easing
                    });
                }
            }
        }
        function vCenterBtns(b)
        {
            // Safari and IE don't seem to like the CSS used to vertically center
            // the buttons, so we'll force it with this function
            var mid = parseInt(o.height)/2;
            b
            .find('.cs_leftBtn img').css({
                'top':mid+'px', 
                'padding':0
            }).end()
            .find('.cs_rightBtn img').css({
                'top':mid+'px', 
                'padding':0
            });
        }
        return this.each(function() {
            $(this)
            // Set the width and height of the div to the defined size
            .css({
                width:o.width,
                height:o.height
            })
            // Add the buttons to move left and right
            .prepend('<a href="#" class="cs_leftBtn"></a>')
            .append('<a href="#" class="cs_rightBtn"></a>')
            // Dig down to the article div elements
            .find('.cs_article')
            // Set the width and height of the div to the defined size
            .css({
                width:o.width,
                height:o.height
            })
            .end()
            // Animate the entrance of the buttons
            .find('.cs_leftBtn')
            .css("opacity",0)
            .hide()
            .end()
            .find('.cs_rightBtn')
            .hide()
            .animate({
                'width':'show'
            });
            // Resize the font to match the bounding box
            if(o.textResize===true) {
                var h2FontSize = $(this).find('h2').css('font-size');
                var pFontSize = $(this).find('p').css('font-size');
                $.each(jQuery.browser, function(i) {
                    if($.browser.msie) {
                        h2FontSize = o.IE_h2;
                        pFontSize = o.IE_p;
                    }
                });
                $(this).find('h2').css({
                    'font-size' : parseFloat(h2FontSize)*p+'px', 
                    'margin-left' : '66%'
                });
                $(this).find('p').css({
                    'font-size' : parseFloat(pFontSize)*p+'px', 
                    'margin-left' : '66%'
                });
                $(this).find('.readmore').css({
                    'font-size' : parseFloat(pFontSize)*p+'px', 
                    'margin-left' : '66%'
                });
            }
            // Store a copy of the button in a variable to pass to moveSlider()
            var leftBtn = $(this).children('.cs_leftBtn');
            leftBtn.bind('click', function() {
                if(inuse===false) {
                    inuse = true;
                    moveSlider('right', leftBtn);
                }
                return false; // Keep the link from firing
            });
            // Store a copy of the button in a variable to pass to moveSlider()
            var rightBtn = $(this).children('.cs_rightBtn');
            rightBtn.bind('click', function() {
                if(inuse===false) {
                    inuse=true;
                    moveSlider('left', rightBtn);
                }
                return false; // Keep the link from firing
            });
            vCenterBtns($(this)); // This is a CSS fix function.
        });
    }
})(jQuery)