/*
 * jQuery Nivo Slider v2.5.1
 * http://nivo.dev7studios.com
 *
 * Copyright 2011, Gilbert Pellegrom
 * Free to use and abuse under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * March 2010
 */

(function ($) {
		var NivoSlider = function (element, options) {
			var settings = $.extend({
				}, $.fn.nivoSlider.defaults, options);
			var vars = {
				currentSlide : 0,
				currentImage : '',
				totalSlides : 0,
				randAnim : '',
				running : false,
				paused : false,
				stop : false
			};
			var slider = $(element);
			slider.data('nivo:vars', vars);
			slider.css('position', 'relative');
			slider.addClass('nivoSlider');
			var kids = slider.children();
			kids.each(function () {
					var child = $(this);
					var link = '';
					if (!child.is('img')) {
						if (child.is('a')) {
							child.addClass('nivo-imageLink');
							link = child;
						}
						child = child.find('img:first');
					}
					var childWidth = child.width();
					if (childWidth == 0) 
						childWidth = child.attr('width');
					var childHeight = child.height();
					if (childHeight == 0) 
						childHeight = child.attr('height');
					if (childWidth > slider.width()) {
						slider.width(childWidth);
					}
					if (childHeight > slider.height()) {
						slider.height(childHeight);
					}
					if (link != '') {
						link.css('display', 'none');
					}
					child.css('display', 'none');
					vars.totalSlides++;
				});
			if (settings.startSlide > 0) {
				if (settings.startSlide >= vars.totalSlides) 
					settings.startSlide = vars.totalSlides - 1;
				vars.currentSlide = settings.startSlide;
			}
			if ($(kids[vars.currentSlide]).is('img')) {
				vars.currentImage = $(kids[vars.currentSlide]);
			} else {
				vars.currentImage = $(kids[vars.currentSlide]).find('img:first');
			}
			if ($(kids[vars.currentSlide]).is('a')) {
				$(kids[vars.currentSlide]).css('display', 'block');
			}
			slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
			slider.append($('<div class="nivo-caption"><p></p></div>').css({
						display : 'none',
						opacity : settings.captionOpacity
					}));
			var processCaption = function (settings) {
				var nivoCaption = $('.nivo-caption', slider);
				if (vars.currentImage.attr('title') != '') {
					var title = vars.currentImage.attr('title');
					if(title){
						if (title.substr(0, 1) == '#') 
							title = $(title).html();
					}
					if (nivoCaption.css('display') == 'block') {
						nivoCaption.find('p').fadeOut(settings.animSpeed, function () {
								$(this).html(title);
								$(this).fadeIn(settings.animSpeed);
							});
					} else {
						nivoCaption.find('p').html(title);
					}
					nivoCaption.fadeIn(settings.animSpeed);
				} else {
					nivoCaption.fadeOut(settings.animSpeed);
				}
			}
			processCaption(settings);
			var timer = 0;
			if (!settings.manualAdvance && kids.length > 1) {
				timer = setInterval(function () {
						nivoRun(slider, kids, settings, false);
					}, settings.pauseTime);
			}
			if (settings.directionNav) {
				slider.append('<div class="nivo-directionNav"><a class="nivo-prevNav">' + settings.prevText + '</a><a class="nivo-nextNav">' + settings.nextText + '</a></div>');
				if (settings.directionNavHide) {
					$('.nivo-directionNav', slider).hide();
					slider.hover(function () {
							$('.nivo-directionNav', slider).show();
						}, function () {
							$('.nivo-directionNav', slider).hide();
						});
				}
				$('a.nivo-prevNav', slider).live('click', function () {
						if (vars.running) 
							return false;
						clearInterval(timer);
						timer = '';
						vars.currentSlide -= 2;
						nivoRun(slider, kids, settings, 'prev');
					});
				$('a.nivo-nextNav', slider).live('click', function () {
						if (vars.running) 
							return false;
						clearInterval(timer);
						timer = '';
						nivoRun(slider, kids, settings, 'next');
					});
			}
			if (settings.controlNav) {
				var nivoControl = $('<div class="nivo-controlNav"></div>');
				slider.append(nivoControl);
				for (var i = 0; i < kids.length; i++) {
					if (settings.controlNavThumbs) {
						var child = kids.eq(i);
						if (!child.is('img')) {
							child = child.find('img:first');
						}
						if (settings.controlNavThumbsFromRel) {
							nivoControl.append('<a class="nivo-control" rel="' + i + '"><img src="' + child.attr('rel') + '" alt="" /></a>');
						} else {
							nivoControl.append('<a class="nivo-control" rel="' + i + '"><img src="' + child.attr('src').replace(settings.controlNavThumbsSearch, settings.controlNavThumbsReplace) + '" alt="" /></a>');
						}
					} else {
						nivoControl.append('<a class="nivo-control" rel="' + i + '">' + (i + 1) + '</a>');
					}
				}
				$('.nivo-controlNav a:eq(' + vars.currentSlide + ')', slider).addClass('active');
				$('.nivo-controlNav a', slider).live('click', function () {
						if (vars.running) 
							return false;
						if ($(this).hasClass('active')) 
							return false;
						clearInterval(timer);
						timer = '';
						slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
						vars.currentSlide = $(this).attr('rel') - 1;
						nivoRun(slider, kids, settings, 'control');
					});
			}
			if (settings.keyboardNav) {
				$(window).keypress(function (event) {
						if (event.keyCode == '37') {
							if (vars.running) 
								return false;
							clearInterval(timer);
							timer = '';
							vars.currentSlide -= 2;
							nivoRun(slider, kids, settings, 'prev');
						}
						if (event.keyCode == '39') {
							if (vars.running) 
								return false;
							clearInterval(timer);
							timer = '';
							nivoRun(slider, kids, settings, 'next');
						}
					});
			}
			if (settings.pauseOnHover) {
				slider.hover(function () {
						vars.paused = true;
						clearInterval(timer);
						timer = '';
					}, function () {
						vars.paused = false;
						if (timer == '' && !settings.manualAdvance) {
							timer = setInterval(function () {
									nivoRun(slider, kids, settings, false);
								}, settings.pauseTime);
						}
					});
			}
			slider.bind('nivo:animFinished', function () {
					vars.running = false;
					$(kids).each(function () {
							if ($(this).is('a')) {
								$(this).css('display', 'none');
							}
						});
					if ($(kids[vars.currentSlide]).is('a')) {
						$(kids[vars.currentSlide]).css('display', 'block');
					}
					if (timer == '' && !vars.paused && !settings.manualAdvance) {
						timer = setInterval(function () {
								nivoRun(slider, kids, settings, false);
							}, settings.pauseTime);
					}
					settings.afterChange.call(this);
				});
			var createSlices = function (slider, settings, vars) {
				for (var i = 0; i < settings.slices; i++) {
					var sliceWidth = Math.round(slider.width() / settings.slices);
					if (i == settings.slices - 1) {
						slider.append($('<div class="nivo-slice"></div>').css({
									left : (sliceWidth * i) + 'px',
									width : (slider.width() - (sliceWidth * i)) + 'px',
									height : '0px',
									opacity : '0',
									background : 'url("' + vars.currentImage.attr('src') + '") no-repeat -' + ((sliceWidth + (i * sliceWidth)) - sliceWidth) + 'px 0%'
								}));
					} else {
						slider.append($('<div class="nivo-slice"></div>').css({
									left : (sliceWidth * i) + 'px',
									width : sliceWidth + 'px',
									height : '0px',
									opacity : '0',
									background : 'url("' + vars.currentImage.attr('src') + '") no-repeat -' + ((sliceWidth + (i * sliceWidth)) - sliceWidth) + 'px 0%'
								}));
					}
				}
			}
			var createBoxes = function (slider, settings, vars) {
				var boxWidth = Math.round(slider.width() / settings.boxCols);
				var boxHeight = Math.round(slider.height() / settings.boxRows);
				for (var rows = 0; rows < settings.boxRows; rows++) {
					for (var cols = 0; cols < settings.boxCols; cols++) {
						if (cols == settings.boxCols - 1) {
							slider.append($('<div class="nivo-box"></div>').css({
										opacity : 0,
										left : (boxWidth * cols) + 'px',
										top : (boxHeight * rows) + 'px',
										width : (slider.width() - (boxWidth * cols)) + 'px',
										height : boxHeight + 'px',
										background : 'url("' + vars.currentImage.attr('src') + '") no-repeat -' + ((boxWidth + (cols * boxWidth)) - boxWidth) + 'px -' + ((boxHeight + (rows * boxHeight)) - boxHeight) + 'px'
									}));
						} else {
							slider.append($('<div class="nivo-box"></div>').css({
										opacity : 0,
										left : (boxWidth * cols) + 'px',
										top : (boxHeight * rows) + 'px',
										width : boxWidth + 'px',
										height : boxHeight + 'px',
										background : 'url("' + vars.currentImage.attr('src') + '") no-repeat -' + ((boxWidth + (cols * boxWidth)) - boxWidth) + 'px -' + ((boxHeight + (rows * boxHeight)) - boxHeight) + 'px'
									}));
						}
					}
				}
			}
			var nivoRun = function (slider, kids, settings, nudge) {
				var vars = slider.data('nivo:vars');
				if (vars && (vars.currentSlide == vars.totalSlides - 1)) {
					settings.lastSlide.call(this);
				}
				if ((!vars || vars.stop) && !nudge) 
					return false;
				settings.beforeChange.call(this);
				if (!nudge) {
					slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
				} else {
					if (nudge == 'prev') {
						slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
					}
					if (nudge == 'next') {
						slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
					}
				}
				vars.currentSlide++;
				if (vars.currentSlide == vars.totalSlides) {
					vars.currentSlide = 0;
					settings.slideshowEnd.call(this);
				}
				if (vars.currentSlide < 0) 
					vars.currentSlide = (vars.totalSlides - 1);
				if ($(kids[vars.currentSlide]).is('img')) {
					vars.currentImage = $(kids[vars.currentSlide]);
				} else {
					vars.currentImage = $(kids[vars.currentSlide]).find('img:first');
				}
				if (settings.controlNav) {
					$('.nivo-controlNav a', slider).removeClass('active');
					$('.nivo-controlNav a:eq(' + vars.currentSlide + ')', slider).addClass('active');
				}
				processCaption(settings);
				$('.nivo-slice', slider).remove();
				$('.nivo-box', slider).remove();
				if (settings.effect == 'random') {
					var anims = new Array('sliceDownRight', 'sliceDownLeft', 'sliceUpRight', 'sliceUpLeft', 'sliceUpDown', 'sliceUpDownLeft', 'fold', 'fade', 'boxRandom', 'boxRain', 'boxRainReverse', 'boxRainGrow', 'boxRainGrowReverse');
					vars.randAnim = anims[Math.floor(Math.random() * (anims.length + 1))];
					if (vars.randAnim == undefined) 
						vars.randAnim = 'fade';
				}
				if (settings.effect.indexOf(',') != -1) {
					var anims = settings.effect.split(',');
					vars.randAnim = anims[Math.floor(Math.random() * (anims.length))];
					if (vars.randAnim == undefined) 
						vars.randAnim = 'fade';
				}
				vars.running = true;
				if (settings.effect == 'sliceDown' || settings.effect == 'sliceDownRight' || vars.randAnim == 'sliceDownRight' || settings.effect == 'sliceDownLeft' || vars.randAnim == 'sliceDownLeft') {
					createSlices(slider, settings, vars);
					var timeBuff = 0;
					var i = 0;
					var slices = $('.nivo-slice', slider);
					if (settings.effect == 'sliceDownLeft' || vars.randAnim == 'sliceDownLeft') 
						slices = $('.nivo-slice', slider)._reverse();
					slices.each(function () {
							var slice = $(this);
							slice.css({
									'top' : '0px'
								});
							if (i == settings.slices - 1) {
								setTimeout(function () {
										slice.animate({
												height : '100%',
												opacity : '1.0'
											}, settings.animSpeed, '', function () {
												slider.trigger('nivo:animFinished');
											});
									}, (100 + timeBuff));
							} else {
								setTimeout(function () {
										slice.animate({
												height : '100%',
												opacity : '1.0'
											}, settings.animSpeed);
									}, (100 + timeBuff));
							}
							timeBuff += 50;
							i++;
						});
				} else if (settings.effect == 'sliceUp' || settings.effect == 'sliceUpRight' || vars.randAnim == 'sliceUpRight' || settings.effect == 'sliceUpLeft' || vars.randAnim == 'sliceUpLeft') {
					createSlices(slider, settings, vars);
					var timeBuff = 0;
					var i = 0;
					var slices = $('.nivo-slice', slider);
					if (settings.effect == 'sliceUpLeft' || vars.randAnim == 'sliceUpLeft') 
						slices = $('.nivo-slice', slider)._reverse();
					slices.each(function () {
							var slice = $(this);
							slice.css({
									'bottom' : '0px'
								});
							if (i == settings.slices - 1) {
								setTimeout(function () {
										slice.animate({
												height : '100%',
												opacity : '1.0'
											}, settings.animSpeed, '', function () {
												slider.trigger('nivo:animFinished');
											});
									}, (100 + timeBuff));
							} else {
								setTimeout(function () {
										slice.animate({
												height : '100%',
												opacity : '1.0'
											}, settings.animSpeed);
									}, (100 + timeBuff));
							}
							timeBuff += 50;
							i++;
						});
				} else if (settings.effect == 'sliceUpDown' || settings.effect == 'sliceUpDownRight' || vars.randAnim == 'sliceUpDown' || settings.effect == 'sliceUpDownLeft' || vars.randAnim == 'sliceUpDownLeft') {
					createSlices(slider, settings, vars);
					var timeBuff = 0;
					var i = 0;
					var v = 0;
					var slices = $('.nivo-slice', slider);
					if (settings.effect == 'sliceUpDownLeft' || vars.randAnim == 'sliceUpDownLeft') 
						slices = $('.nivo-slice', slider)._reverse();
					slices.each(function () {
							var slice = $(this);
							if (i == 0) {
								slice.css('top', '0px');
								i++;
							} else {
								slice.css('bottom', '0px');
								i = 0;
							}
							if (v == settings.slices - 1) {
								setTimeout(function () {
										slice.animate({
												height : '100%',
												opacity : '1.0'
											}, settings.animSpeed, '', function () {
												slider.trigger('nivo:animFinished');
											});
									}, (100 + timeBuff));
							} else {
								setTimeout(function () {
										slice.animate({
												height : '100%',
												opacity : '1.0'
											}, settings.animSpeed);
									}, (100 + timeBuff));
							}
							timeBuff += 50;
							v++;
						});
				} else if (settings.effect == 'fold' || vars.randAnim == 'fold') {
					createSlices(slider, settings, vars);
					var timeBuff = 0;
					var i = 0;
					$('.nivo-slice', slider).each(function () {
							var slice = $(this);
							var origWidth = slice.width();
							slice.css({
									top : '0px',
									height : '100%',
									width : '0px'
								});
							if (i == settings.slices - 1) {
								setTimeout(function () {
										slice.animate({
												width : origWidth,
												opacity : '1.0'
											}, settings.animSpeed, '', function () {
												slider.trigger('nivo:animFinished');
											});
									}, (100 + timeBuff));
							} else {
								setTimeout(function () {
										slice.animate({
												width : origWidth,
												opacity : '1.0'
											}, settings.animSpeed);
									}, (100 + timeBuff));
							}
							timeBuff += 50;
							i++;
						});
				} else if (settings.effect == 'fade' || vars.randAnim == 'fade') {
					createSlices(slider, settings, vars);
					var firstSlice = $('.nivo-slice:first', slider);
					firstSlice.css({
							'height' : '100%',
							'width' : slider.width() + 'px'
						});
					firstSlice.animate({
							opacity : '1.0'
						}, (settings.animSpeed * 2), '', function () {
							slider.trigger('nivo:animFinished');
						});
				} else if (settings.effect == 'slideInRight' || vars.randAnim == 'slideInRight') {
					createSlices(slider, settings, vars);
					var firstSlice = $('.nivo-slice:first', slider);
					firstSlice.css({
							'height' : '100%',
							'width' : '0px',
							'opacity' : '1'
						});
					firstSlice.animate({
							width : slider.width() + 'px'
						}, (settings.animSpeed * 2), '', function () {
							slider.trigger('nivo:animFinished');
						});
				} else if (settings.effect == 'slideInLeft' || vars.randAnim == 'slideInLeft') {
					createSlices(slider, settings, vars);
					var firstSlice = $('.nivo-slice:first', slider);
					firstSlice.css({
							'height' : '100%',
							'width' : '0px',
							'opacity' : '1',
							'left' : '',
							'right' : '0px'
						});
					firstSlice.animate({
							width : slider.width() + 'px'
						}, (settings.animSpeed * 2), '', function () {
							firstSlice.css({
									'left' : '0px',
									'right' : ''
								});
							slider.trigger('nivo:animFinished');
						});
				} else if (settings.effect == 'boxRandom' || vars.randAnim == 'boxRandom') {
					createBoxes(slider, settings, vars);
					var totalBoxes = settings.boxCols * settings.boxRows;
					var i = 0;
					var timeBuff = 0;
					var boxes = shuffle($('.nivo-box', slider));
					boxes.each(function () {
							var box = $(this);
							if (i == totalBoxes - 1) {
								setTimeout(function () {
										box.animate({
												opacity : '1'
											}, settings.animSpeed, '', function () {
												slider.trigger('nivo:animFinished');
											});
									}, (100 + timeBuff));
							} else {
								setTimeout(function () {
										box.animate({
												opacity : '1'
											}, settings.animSpeed);
									}, (100 + timeBuff));
							}
							timeBuff += 20;
							i++;
						});
				} else if (settings.effect == 'boxRain' || vars.randAnim == 'boxRain' || settings.effect == 'boxRainReverse' || vars.randAnim == 'boxRainReverse' || settings.effect == 'boxRainGrow' || vars.randAnim == 'boxRainGrow' || settings.effect == 'boxRainGrowReverse' || vars.randAnim == 'boxRainGrowReverse') {
					createBoxes(slider, settings, vars);
					var totalBoxes = settings.boxCols * settings.boxRows;
					var i = 0;
					var timeBuff = 0;
					var rowIndex = 0;
					var colIndex = 0;
					var box2Darr = new Array();
					box2Darr[rowIndex] = new Array();
					var boxes = $('.nivo-box', slider);
					if (settings.effect == 'boxRainReverse' || vars.randAnim == 'boxRainReverse' || settings.effect == 'boxRainGrowReverse' || vars.randAnim == 'boxRainGrowReverse') {
						boxes = $('.nivo-box', slider)._reverse();
					}
					boxes.each(function () {
							box2Darr[rowIndex][colIndex] = $(this);
							colIndex++;
							if (colIndex == settings.boxCols) {
								rowIndex++;
								colIndex = 0;
								box2Darr[rowIndex] = new Array();
							}
						});
					for (var cols = 0; cols < (settings.boxCols * 2); cols++) {
						var prevCol = cols;
						for (var rows = 0; rows < settings.boxRows; rows++) {
							if (prevCol >= 0 && prevCol < settings.boxCols) {
								(function (row, col, time, i, totalBoxes) {
										var box = $(box2Darr[row][col]);
										var w = box.width();
										var h = box.height();
										if (settings.effect == 'boxRainGrow' || vars.randAnim == 'boxRainGrow' || settings.effect == 'boxRainGrowReverse' || vars.randAnim == 'boxRainGrowReverse') {
											box.width(0).height(0);
										}
										if (i == totalBoxes - 1) {
											setTimeout(function () {
													box.animate({
															opacity : '1',
															width : w,
															height : h
														}, settings.animSpeed / 1.3, '', function () {
															slider.trigger('nivo:animFinished');
														});
												}, (100 + time));
										} else {
											setTimeout(function () {
													box.animate({
															opacity : '1',
															width : w,
															height : h
														}, settings.animSpeed / 1.3);
												}, (100 + time));
										}
									})(rows, prevCol, timeBuff, i, totalBoxes);
								i++;
							}
							prevCol--;
						}
						timeBuff += 100;
					}
				}
			}
			var shuffle = function (arr) {
				for (var j, x, i = arr.length; i; j = parseInt(Math.random() * i), x = arr[--i], arr[i] = arr[j], arr[j] = x);
				return arr;
			}
			var trace = function (msg) {
				if (this.console && typeof console.log != "undefined") 
					console.log(msg);
			}
			this.stop = function () {
				if (!$(element).data('nivo:vars').stop) {
					$(element).data('nivo:vars').stop = true;
					trace('Stop Slider');
				}
			}
			this.start = function () {
				if ($(element).data('nivo:vars').stop) {
					$(element).data('nivo:vars').stop = false;
					trace('Start Slider');
				}
			}
			settings.afterLoad.call(this);
			return this;
		};
		$.fn.nivoSlider = function (options) {
			return this.each(function (key, value) {
					var element = $(this);
					if (element.data('nivoslider')) 
						return element.data('nivoslider');
					var nivoslider = new NivoSlider(this, options);
					element.data('nivoslider', nivoslider);
				});
		};
		$.fn.nivoSlider.defaults = {
			effect : 'random',
			slices : 15,
			boxCols : 8,
			boxRows : 4,
			animSpeed : 500,
			pauseTime : 3000,
			startSlide : 0,
			directionNav : true,
			directionNavHide : true,
			controlNav : true,
			controlNavThumbs : false,
			controlNavThumbsFromRel : false,
			controlNavThumbsSearch : '.jpg',
			controlNavThumbsReplace : '_thumb.jpg',
			keyboardNav : true,
			pauseOnHover : true,
			manualAdvance : false,
			captionOpacity : 0.8,
			prevText : 'Prev',
			nextText : 'Next',
			beforeChange : function () {
			},
			afterChange : function () {
			},
			slideshowEnd : function () {
			},
			lastSlide : function () {
			},
			afterLoad : function () {
			}
		};
		$.fn._reverse = [].reverse;
	})(jQuery);