(function ($) {
    $.fn.lightBox = function (settings) {
        settings = jQuery.extend({
            overlayBgColor: '#000',
            overlayOpacity: 0.8,
            fixedNavigation: false,
            imageLoading: 'i/lightbox-ico-loading.gif',
            imageBtnPrev: 'i/lightbox-btn-prev.gif',
            imageBtnNext: 'i/lightbox-btn-next.gif',
            imageBtnClose: 'i/lightbox-btn-close.gif',
            imageBlank: 'i/lightbox-blank.gif',
            containerBorderSize: 10,
            containerResizeSpeed: 400,
            txtImage: 'Image',
            txtOf: 'of',
            keyToClose: 'c',
            keyToPrev: 'p',
            keyToNext: 'n',
            imageArray: [],
            activeImage: 0
        }, settings);
        var jQueryMatchedObj = this;

        function _initialize() {
            _start(this, jQueryMatchedObj);
            return false
        }
        function _start(objClicked, jQueryMatchedObj) {
            $('embed, object, select').css({
                'visibility': 'hidden'
            });
            _set_interface();
            settings.imageArray.length = 0;
            settings.activeImage = 0;
            if (jQueryMatchedObj.length == 1) {
                settings.imageArray.push(new Array(objClicked.getAttribute('href'), objClicked.getAttribute('title')))
            } else {
                for (var i = 0; i < jQueryMatchedObj.length; i++) {
                    settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'), jQueryMatchedObj[i].getAttribute('title')))
                }
            }
            while (settings.imageArray[settings.activeImage][0] != objClicked.getAttribute('href')) {
                settings.activeImage++
            }
            _set_image_to_view()
        }
        function _set_interface() {
            $('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"><div id="lightbox-container-image-box"><div id="lightbox-container-image"><img id="lightbox-image"><div style="" id="lightbox-nav"><a href="#" id="lightbox-nav-btnPrev"></a><a href="#" id="lightbox-nav-btnNext"></a></div><div id="lightbox-loading"><a href="#" id="lightbox-loading-link"><img src="' + settings.imageLoading + '"></a></div></div></div><div id="lightbox-container-image-data-box"><div id="lightbox-container-image-data"><div id="lightbox-image-details"><span id="lightbox-image-details-caption"></span><span id="lightbox-image-details-currentNumber"></span></div><div id="lightbox-secNav"><a href="#" id="lightbox-secNav-btnClose"><img src="' + settings.imageBtnClose + '"></a></div></div></div></div>');
            var arrPageSizes = ___getPageSize();
            $('#jquery-overlay').css({
                backgroundColor: settings.overlayBgColor,
                opacity: settings.overlayOpacity,
                width: arrPageSizes[0],
                height: arrPageSizes[1]
            }).fadeIn();
            var arrPageScroll = ___getPageScroll();
            $('#jquery-lightbox').css({
                top: arrPageScroll[1] + (arrPageSizes[3] / 10),
                left: arrPageScroll[0]
            }).show();
            $('#jquery-overlay,#jquery-lightbox').click(function () {
                _finish()
            });
            $('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function () {
                _finish();
                return false
            });
            $(window).resize(function () {
                var arrPageSizes = ___getPageSize();
                $('#jquery-overlay').css({
                    width: arrPageSizes[0],
                    height: arrPageSizes[1]
                });
                var arrPageScroll = ___getPageScroll();
                $('#jquery-lightbox').css({
                    top: arrPageScroll[1] + (arrPageSizes[3] / 10),
                    left: arrPageScroll[0]
                })
            })
        }
        function _set_image_to_view() {
            $('#lightbox-loading').show();
            if (settings.fixedNavigation) {
                $('#lightbox-image,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide()
            } else {
                $('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide()
            }
            var objImagePreloader = new Image();
            objImagePreloader.onload = function () {
                $('#lightbox-image').attr('src', settings.imageArray[settings.activeImage][0]);
                _resize_container_image_box(objImagePreloader.width, objImagePreloader.height);
                objImagePreloader.onload = function () {}
            };
            objImagePreloader.src = settings.imageArray[settings.activeImage][0]
        };

        function _resize_container_image_box(intImageWidth, intImageHeight) {
            var intCurrentWidth = $('#lightbox-container-image-box').width();
            var intCurrentHeight = $('#lightbox-container-image-box').height();
            var intWidth = (intImageWidth + (settings.containerBorderSize * 2));
            var intHeight = (intImageHeight + (settings.containerBorderSize * 2));
            var intDiffW = intCurrentWidth - intWidth;
            var intDiffH = intCurrentHeight - intHeight;
            $('#lightbox-container-image-box').animate({
                width: intWidth,
                height: intHeight
            }, settings.containerResizeSpeed, function () {
                _show_image()
            });
            if ((intDiffW == 0) && (intDiffH == 0)) {
                if ($.browser.msie) {
                    ___pause(250)
                } else {
                    ___pause(100)
                }
            }
            $('#lightbox-container-image-data-box').css({
                width: intImageWidth
            });
            $('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({
                height: intImageHeight + (settings.containerBorderSize * 2)
            })
        };

        function _show_image() {
            $('#lightbox-loading').hide();
            $('#lightbox-image').fadeIn(function () {
                _show_image_data();
                _set_navigation()
            });
            _preload_neighbor_images()
        };

        function _show_image_data() {
            $('#lightbox-container-image-data-box').slideDown('fast');
            $('#lightbox-image-details-caption').hide();
            if (settings.imageArray[settings.activeImage][1]) {
                $('#lightbox-image-details-caption').html(settings.imageArray[settings.activeImage][1]).show()
            }
            if (settings.imageArray.length > 1) {
                $('#lightbox-image-details-currentNumber').html(settings.txtImage + ' ' + (settings.activeImage + 1) + ' ' + settings.txtOf + ' ' + settings.imageArray.length).show()
            }
        }
        function _set_navigation() {
            $('#lightbox-nav').show();
            $('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({
                'background': 'transparent url(' + settings.imageBlank + ') no-repeat'
            });
            if (settings.activeImage != 0) {
                if (settings.fixedNavigation) {
                    $('#lightbox-nav-btnPrev').css({
                        'background': 'url(' + settings.imageBtnPrev + ') left 15% no-repeat'
                    }).unbind().bind('click', function () {
                        settings.activeImage = settings.activeImage - 1;
                        _set_image_to_view();
                        return false
                    })
                } else {
                    $('#lightbox-nav-btnPrev').unbind().hover(function () {
                        $(this).css({
                            'background': 'url(' + settings.imageBtnPrev + ') left 15% no-repeat'
                        })
                    }, function () {
                        $(this).css({
                            'background': 'transparent url(' + settings.imageBlank + ') no-repeat'
                        })
                    }).show().bind('click', function () {
                        settings.activeImage = settings.activeImage - 1;
                        _set_image_to_view();
                        return false
                    })
                }
            }
            if (settings.activeImage != (settings.imageArray.length - 1)) {
                if (settings.fixedNavigation) {
                    $('#lightbox-nav-btnNext').css({
                        'background': 'url(' + settings.imageBtnNext + ') right 15% no-repeat'
                    }).unbind().bind('click', function () {
                        settings.activeImage = settings.activeImage + 1;
                        _set_image_to_view();
                        return false
                    })
                } else {
                    $('#lightbox-nav-btnNext').unbind().hover(function () {
                        $(this).css({
                            'background': 'url(' + settings.imageBtnNext + ') right 15% no-repeat'
                        })
                    }, function () {
                        $(this).css({
                            'background': 'transparent url(' + settings.imageBlank + ') no-repeat'
                        })
                    }).show().bind('click', function () {
                        settings.activeImage = settings.activeImage + 1;
                        _set_image_to_view();
                        return false
                    })
                }
            }
            _enable_keyboard_navigation()
        }
        function _enable_keyboard_navigation() {
            $(document).keydown(function (objEvent) {
                _keyboard_action(objEvent)
            })
        }
        function _disable_keyboard_navigation() {
            $(document).unbind()
        }
        function _keyboard_action(objEvent) {
            if (objEvent == null) {
                keycode = event.keyCode;
                escapeKey = 27
            } else {
                keycode = objEvent.keyCode;
                escapeKey = objEvent.DOM_VK_ESCAPE
            }
            key = String.fromCharCode(keycode).toLowerCase();
            if ((key == settings.keyToClose) || (key == 'x') || (keycode == escapeKey)) {
                _finish()
            }
            if ((key == settings.keyToPrev) || (keycode == 37)) {
                if (settings.activeImage != 0) {
                    settings.activeImage = settings.activeImage - 1;
                    _set_image_to_view();
                    _disable_keyboard_navigation()
                }
            }
            if ((key == settings.keyToNext) || (keycode == 39)) {
                if (settings.activeImage != (settings.imageArray.length - 1)) {
                    settings.activeImage = settings.activeImage + 1;
                    _set_image_to_view();
                    _disable_keyboard_navigation()
                }
            }
        }
        function _preload_neighbor_images() {
            if ((settings.imageArray.length - 1) > settings.activeImage) {
                objNext = new Image();
                objNext.src = settings.imageArray[settings.activeImage + 1][0]
            }
            if (settings.activeImage > 0) {
                objPrev = new Image();
                objPrev.src = settings.imageArray[settings.activeImage - 1][0]
            }
        }
        function _finish() {
            $('#jquery-lightbox').remove();
            $('#jquery-overlay').fadeOut(function () {
                $('#jquery-overlay').remove()
            });
            $('embed, object, select').css({
                'visibility': 'visible'
            })
        }
        function ___getPageSize() {
            var xScroll, yScroll;
            if (window.innerHeight && window.scrollMaxY) {
                xScroll = window.innerWidth + window.scrollMaxX;
                yScroll = window.innerHeight + window.scrollMaxY
            } else if (document.body.scrollHeight > document.body.offsetHeight) {
                xScroll = document.body.scrollWidth;
                yScroll = document.body.scrollHeight
            } else {
                xScroll = document.body.offsetWidth;
                yScroll = document.body.offsetHeight
            }
            var windowWidth, windowHeight;
            if (self.innerHeight) {
                if (document.documentElement.clientWidth) {
                    windowWidth = document.documentElement.clientWidth
                } else {
                    windowWidth = self.innerWidth
                }
                windowHeight = self.innerHeight
            } else if (document.documentElement && document.documentElement.clientHeight) {
                windowWidth = document.documentElement.clientWidth;
                windowHeight = document.documentElement.clientHeight
            } else if (document.body) {
                windowWidth = document.body.clientWidth;
                windowHeight = document.body.clientHeight
            }
            if (yScroll < windowHeight) {
                pageHeight = windowHeight
            } else {
                pageHeight = yScroll
            }
            if (xScroll < windowWidth) {
                pageWidth = xScroll
            } else {
                pageWidth = windowWidth
            }
            arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight);
            return arrayPageSize
        };

        function ___getPageScroll() {
            var xScroll, yScroll;
            if (self.pageYOffset) {
                yScroll = self.pageYOffset;
                xScroll = self.pageXOffset
            } else if (document.documentElement && document.documentElement.scrollTop) {
                yScroll = document.documentElement.scrollTop;
                xScroll = document.documentElement.scrollLeft
            } else if (document.body) {
                yScroll = document.body.scrollTop;
                xScroll = document.body.scrollLeft
            }
            arrayPageScroll = new Array(xScroll, yScroll);
            return arrayPageScroll
        };

        function ___pause(ms) {
            var date = new Date();
            curDate = null;
            do {
                var curDate = new Date()
            } while (curDate - date < ms)
        };
        return this.unbind('click').click(_initialize)
    }
})(jQuery);


$(function () {
    $('#mainNav li a, .nav li a, a#contactMe').click(function () {
        var href = $($(this).attr('href')).offset().top;
        $('html').animate({
            scrollTop: href
        }, 'normal');
        return false;
    });
    $('a.toTop').click(function () {
        $('html').animate({
            scrollTop: 0
        }, 'normal');
        return false;
    });
    $('#nonProfitPortfolio li, #webPortfolio li').hide();
    $('#portfolio .subNav a').click(function () {
        $('#portfolio .subNav li.active').removeClass('active');
        $(this).parent().addClass('active');
        $('#portfolio .portfolio li').hide();
        var delay = 0;
        $($(this).attr('href')).find('li').each(function () {
            $(this).animate({
                opactiy: 0
            }, delay, function () {
                $(this).fadeIn('fast');
            });
            delay += 100;
        });
        return false;
    });
    readyContact();
    $('#portfolio .portfolio li.image a').each(function () {
        $(this).lightBox({
            fixedNavigation: true,
            overlayOpacity: 0.8
        });
    });
    $('#contact input, #contact textarea').keypress(function () {
        $(this).removeClass('error');
    });
    var username = 'nancyhammond';
    $.get('/proxy.php?url=http://twitter.com/statuses/user_timeline/' + username + '.rss?count=1', function(tweets) {
    	$(tweets).find('item').each(function() {
    		var tweet = $(this);
    		var pattern = new RegExp("^"+username+": ","g");
    		var status = tweet.find('description').text().replace(/((https?|s?ftp|ssh)\:\/\/[^"\s\<\>]*[^.,;'">\:\s\<\>\)\]\!])/g, function(url) {
    			return '<a href="'+url+'">'+url+'</a>';
    		}).replace(/\B@([_a-z0-9]+)/ig, function(reply) {
    			return  reply.charAt(0)+'<a href="http://twitter.com/'+reply.substring(1)+'">'+reply.substring(1)+'</a>';
    		}).replace(pattern,'');
    		var tweetDate = relative_time(tweet.find('pubDate').text());
    		if(status.length > 150){
    			status = status.substring(0,150) + '...';
    		}
    		$('#latestTweet').append($('<p>&ldquo;'+status+'&rdquo; <small>- <span>'+tweetDate+'</span></small></p>').hide().fadeIn(750));
    	});
    });
    
});
function relative_time(time_value) {
  var newtime = time_value.replace(',','');
  var values = newtime.split(" ");
  time_value = values[2] + " " + values[1] + ", " + values[3] + " " + values[4];
  var parsed_date = Date.parse(time_value);
  var relative_to = (arguments.length > 1) ? arguments[1] : new Date();
  var delta = parseInt((relative_to.getTime() - parsed_date) / 1000);
  delta = delta + (relative_to.getTimezoneOffset() * 60);

  if (delta < 60) {
    return 'less than a minute ago';
  } else if(delta < 120) {
    return 'about a minute ago';
  } else if(delta < (60*60)) {
    return (parseInt(delta / 60)).toString() + ' minutes ago';
  } else if(delta < (120*60)) {	
    return 'about an hour ago';
  } else if(delta < (24*60*60)) {
    return 'about ' + (parseInt(delta / 3600)).toString() + ' hours ago';
  } else if(delta < (48*60*60)) {
    return '1 day ago';
  } else {
    return (parseInt(delta / 86400)).toString() + ' days ago';
  }
}
var readyContact = function () {
    $('#submit').unbind('click').click(function () {
        var nm = $('#contact_name');
        var em = $('#contact_email');
        var de = $('#contact_desc');
        var ver = $('#verifyText');
        var name = nm.val();
        var email = em.val();
        var desc = de.val();
        var verify = ver.val();
        var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
        if (reg.test(email)) {
            var valid = true;
        } else {
            var valid = false;
        }
        if (name && email && desc && valid) {
            if (ver.val() == "blue" || ver.val() == "Blue" || ver.val() == "BLUE") {
                $.post("mail.php", {
                    name: name,
                    email: email,
                    desc: desc,
                    ver: verify
                }, function (data) {
                    if (data == 'caught') {
                        de.addClass('error');
                        de.html('It appears as if your submission may be a form of spam.  If you are in fact a human please refresh the page and try the contact form again. Thank you!');
                    } else {
                        var ty = $('#thankYou');
                        var frm = $('#form');
                        frm.fadeOut();
                        ty.fadeIn();
                        $('#thankYou a').click(function () {
                            ty.fadeOut();
                            frm.fadeIn();
                            $('#contact #contact_desc').val('');
                            readyContact();
                        });
                    }
                });
            } else {
                ver.addClass('error');
                return false;
            }
        } else {
            if (!name) {
                nm.addClass('error');
            }
            if (!email) {
                em.addClass('error');
            }
            if (!valid) {
                em.addClass('error');
            }
            if (!desc) {
                de.addClass('error');
            }
        }
        return false;
    });
}