/*
 * jQuery Nivo Slider v2.6
 * 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')) {
			$(kids[vars.currentSlide]).css('display', 'block');
		}
		//slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
		slider.css('background','none');
		slider.append($('<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') != '' && vars.currentImage.attr('title') != undefined) {
				var title = vars.currentImage.attr('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');
				slider.css('background','none');
				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($('<div class="nivo-box"></div>').css({
							opacity : 0,
							left : (boxWidth * cols) + 'px',
							top : (boxHeight * rows) + 'px',
							width : boxWidth + 'px',
							height : boxHeight + 'px',
							background : 'url("' + vars.currentImage.attr('src') + '") no-repeat -' + ((boxWidth + (cols * boxWidth)) - boxWidth) + 'px -' + ((boxHeight + (rows * boxHeight)) - boxHeight) + 'px'
						}));
					}
				}
			}
		}
		var nivoRun = function(slider, kids, settings, nudge) {
			var vars = slider.data('nivo:vars');
			if(vars && (vars.currentSlide == vars.totalSlides - 1)) {
				settings.lastSlide.call(this);
			}
			if((!vars || vars.stop) && !nudge)
				return false;
			settings.beforeChange.call(this);
			if(!nudge) {
				//slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
				slider.css('background','none');
			} else {
				if(nudge == 'prev') {
					//slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
					slider.css('background','none');
				}
				if(nudge == 'next') {
					//slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
					slider.css('background','none');
				}
			}
			vars.currentSlide++;
			if(vars.currentSlide == vars.totalSlides) {
				vars.currentSlide = 0;
				settings.slideshowEnd.call(this);
			}
			if(vars.currentSlide < 0)
				vars.currentSlide = (vars.totalSlides - 1);
			if($(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);