/*
 * 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;
    }
});

$(document).ready(function () {
    
    // Home
    $('#home_marquee').homey();
	
    // IE6 ... fun!!
    if ($.browser.msie && $.browser.version == '6.0') {     
        $('.home_featured_module_image:first').css('left', '940px');
    }
    
});


(function($){
    
    // Homepage features ========================================================
    
    $.fn.featured = function() {

        function change(e) {            
            
            var _next = index[e.data.idx];
            var _curr = curr_index;
            
            if (_next.idx == _curr.idx) {
                return false;
            }
                        
            unbind_arrows();
            unbind_keys();
            $(loading).show();
        
            $(_curr.anchor).removeClass('active');
            $(_next.anchor).addClass('active');
    
            var active_pos = $(_next.anchor).position().left+83;
        
            var pre_locate = (_next.idx > _curr.idx) ? 1880 : 0;
            var post_locate = (_next.idx > _curr.idx) ? 0 : 1880;
            var pre_next_locate = (_next.idx > _curr.idx) ? 1880 : 0;
            var post_next_locate = (_next.idx > _curr.idx) ? 0 : 1880;
            
            // Handle proximal arrows
            if (e.data.click == "arrow" && _next.idx === 0 && _curr.idx == (index.length-1)) {
                pre_locate = 1880;
                post_locate = 0;
                pre_next_locate = 1880;
                post_next_locate = 0;
                $('#active_caret').css('left', '-50px').animate(
                    {
                        left : active_pos
                    }, speed/2, 'easeOutExpo'
                );
            } else if (e.data.click == "arrow" && _next.idx == (index.length-1) && _curr.idx === 0) {
                pre_locate = 0;
                post_locate = 1880;
                pre_next_locate = 0;
                post_next_locate = 1880;
                $('#active_caret').css('left', '1880px').animate(
                    {
                        left : active_pos
                    }, speed/2, 'easeOutExpo'
                );
            } else {
                $('#active_caret').animate(
                    {
                        left: active_pos
                    }, speed, 'easeOutExpo'
                );
            }
                    
            $(_next.image).css({ 'left' : pre_locate + 'px' });
            $(_next.desc).css({ 'left' : pre_next_locate + 'px' });
                    
            setTimeout(function() {
            
                // Animate images

                    $(_curr.image).animate(
                        {
                            left : post_locate
                        }, speed, 'easeOutExpo'
                    );

                    $(_next.image).animate(
                        {
                            left : 940
                        }, speed, 'easeOutExpo'
                    );  
                    
                // Animate dscriptions  
                    
                    $(_curr.desc).animate(
                        {
                            left : post_locate
                        }, speed+25, 'easeOutExpo'
                    );

                    $(_next.desc).animate(
                        {
                            left : 940
                        }, speed+25, 'easeOutExpo',
                        function () {
                            curr_index = index[e.data.idx];
                            $(loading).hide();
                            bind_arrows();
                            bind_keys();
                        }
                    );
                
            }, speed/6);
                                                
            return false;
            
        }
        
        function bind_keys() {
            $(document).bind('keyup', handle_key);
        }
        
        function unbind_keys() {
            $(document).unbind('keyup', handle_key);
        }
        
        function handle_key(e) {
            if (e.keyCode == 37) { 
                 prev();
                 kill_timer();
                 return false;
            }
            if (e.keyCode == 39) { 
                 next();
                kill_timer(); 
                return false;
            }
        }
        
        function bind_arrows() {
            $('#featured_left').bind('click', prev);
            $('#featured_right').bind('click', next);
            $('#featured_left, #featured_right').bind('click', kill_timer);
        }
        
        function unbind_arrows() {
            $('#featured_left').unbind('click', prev);
            $('#featured_right').unbind('click', next);
        }
    
        function next() {
            var e = {
                data : {
                    idx : false,
                    click : 'arrow'
                }
            };          
            e.data.idx = (curr_index.idx == (index.length-1)) ? 0 : curr_index.idx+1; 
            change(e);
            return false;
        }
    
        function prev() {
            var e = {
                data : {
                    idx : false,
                    click : 'arrow'
                }
            };
            e.data.idx = (curr_index.idx === 0) ? index.length-1 : curr_index.idx-1;
            change(e);
            return false;
        }
        
        function set_timer() {
            interval = setInterval(next, 5000);
        }
        
        function kill_timer() {
            clearInterval(interval);
        }
        
        function init() {
            $('a', anchors).each(function (i, e) {
                index[i] = {
                    idx : i,
                    image : $('#image_'+i),
                    desc : $('#desc_'+i),
                    anchor : $(e)
                };
                $(e).data('index', index[i]);
                $(e).bind('click', kill_timer);
                $(e).bind('click', {idx : i, click : 'anchor'}, change);
                if (i === 0) {
                    curr_index = index[i];
                }
            });
        
            bind_keys();
            bind_arrows();
            set_timer();
                        
        }
        
        if ($(this).size() > 0) {

            var anchors = $('#home_featured_module_anchors');
            var slider = $('#home_featured_module_images_slider');
            var loading = $('#loading_block');
            var speed = 800;
            var easing = 'easeOutExpo';
            var index = [];
            var curr_index;
            var interval;
            init();
        }
    
    };
    
    // Home ===========================================================
    
    $.fn.homey = function() {
        
        function init() {
            $('#home_featured_module').featured();
        }
        
        if ($(this).size() > 0) {
            init();
        }
        
    };
    
})(jQuery);