(function($) {


	$.fn.jshowoff = function(settings) {
		var config = {
			animatePause : true,
			autoPlay : true,
			changeSpeed : 600,
			controls : true,
			effect : 'fade',
			hoverPause : true,
			links : true,
			speed : 6000
		};
		
		if (settings) $.extend(true, config, settings);

		if (config.speed < (config.changeSpeed+20)) {
			alert('jShowOff: Make speed at least 20ms longer than changeSpeed; the fades aren\'t always right on time.');
			return this;
		};
		
		this.each(function(i) {
			
			var $cont = $(this);
			var gallery = $(this).children().remove();
			var timer = '';
			var counter = 0;
			var preloadedImg = [];
			var howManyInstances = $('.jshowoff').length+1;
			var uniqueClass = 'jshowoff-'+howManyInstances;
			var cssClass = config.cssClass != undefined ? config.cssClass : '';
			
			
			$cont.css('position','relative').wrap('<div class="jshowoff '+uniqueClass+'" />');
			var $wrap = $('.'+uniqueClass);
			$wrap.css('position','relative').addClass(cssClass);
			
			$(gallery[0]).clone().appendTo($cont);
			
			preloadImg();
			
			if(config.controls){
				addControls();
				if(config.autoPlay==false){
				};
			};
			
			if(config.links){
				addSlideLinks();
				$('.'+uniqueClass+'-slidelinks a').eq(0).addClass(uniqueClass+'-active jshowoff-active');
			};
			
			if(config.hoverPause){ $cont.hover(
				function(){ if(isPlaying()) pause('hover'); },
				function(){ if(isPlaying()) play('hover'); }
			);};
			
			if(config.autoPlay && gallery.length>1) {
				timer = setInterval( function(){ play(); }, config.speed );
			};
			
			if(gallery.length<1){
				$('.'+uniqueClass).append('<p>For jShowOff to work, the container element must have child elements.</p>');
			};

			
			function transitionTo(gallery,index) {
				
				var oldCounter = counter;
				if((counter >= gallery.length) || (index >= gallery.length)) { counter = 0; var e2b = true; }
				else if((counter < 0) || (index < 0)) { counter = gallery.length-1; var b2e = true; }
				else { counter = index; }


				if(config.effect=='slideLeft'){
					var newSlideDir, oldSlideDir;
					function slideDir(dir) {
						newSlideDir = dir=='right' ? 'left' : 'right';
						oldSlideDir = dir=='left' ? 'left' : 'right';					
					};
					

					counter >= oldCounter ? slideDir('left') : slideDir('right') ;

					$(gallery[counter]).clone().appendTo($cont).slideIt({direction:newSlideDir,changeSpeed:config.changeSpeed});
					if($cont.children().length>1){
						$cont.children().eq(0).css('position','absolute').slideIt({direction:oldSlideDir,showHide:'hide',changeSpeed:config.changeSpeed},function(){$(this).remove();});
					};
				} else if (config.effect=='fade') {
					$(gallery[counter]).clone().appendTo($cont).hide().fadeIn(config.changeSpeed,function(){if($.browser.msie)this.style.removeAttribute('filter');});
					if($cont.children().length>1){
						$cont.children().eq(0).css('position','absolute').fadeOut(config.changeSpeed,function(){$(this).remove();});
					};
				} else if (config.effect=='none') {
					$(gallery[counter]).clone().appendTo($cont);
					if($cont.children().length>1){
						$cont.children().eq(0).css('position','absolute').remove();
					};
				};
				
				if(config.links){
					$('.'+uniqueClass+'-active').removeClass(uniqueClass+'-active jshowoff-active');
					$('.'+uniqueClass+'-slidelinks a').eq(counter).addClass(uniqueClass+'-active jshowoff-active');
				};
			};
			
			function isPlaying(){
				return $('.'+uniqueClass+'-play').hasClass('jshowoff-paused') ? false : true;
			};
			
			function play(src) {
				if(!isBusy()){
					counter++;
					transitionTo(gallery,counter);
					if(src=='hover' || !isPlaying()) {
						timer = setInterval(function(){ play(); },config.speed);
					}
					if(!isPlaying()){
					}
				};
			};
			
			function pause(src) {
				clearInterval(timer);
				if(config.animatePause && src=='playBtn'){
				
				}
			};
			
			function next() {
				goToAndPause(counter+1);
			};
		
			function previous() {
				goToAndPause(counter-1);
			};
			
			function isBusy() {
				return $cont.children().length>1 ? true : false;
			};
			
			function goToAndPause(index) {
				$cont.children().stop(true,true);
				if((counter != index) || ((counter == index) && isBusy())){
					if(isBusy()) $cont.children().eq(0).remove();
					transitionTo(gallery,index);
					pause();
				};
			};	

			function preloadImg() {
				$(gallery).each(function(i){
					$(this).find('img').each(function(i){
						preloadedImg[i] = $('<img>').attr('src',$(this).attr('src'));					
					});
				});
			};
				
			function addControls() {
				
				$('.'+uniqueClass+'-controls a').each(function(){
						if($(this).hasClass('jshowoff-play')) $(this).click(function(){ isPlaying() ? pause('playBtn') : play(); return false; } );
						if($(this).hasClass('jshowoff-prev')) $(this).click(function(){ previous(); return false; });
						if($(this).hasClass('jshowoff-next')) $(this).click(function(){ next(); return false; });
	
				});
			};	

			function addSlideLinks() {
				$wrap.append('<p class="jshowoff-slidelinks '+uniqueClass+'-slidelinks"></p>');
				$.each(gallery, function(i, val) {
					var linktext = $(this).attr('title') != '' ? $(this).attr('title') : i+1;
					
				});
			};		
	
	
		});
	
		return this;

	};

})(jQuery);




(function($) {

	$.fn.slideIt = function(settings,callback) {
	
		var config = {
			direction : 'left',
			showHide : 'show',
			changeSpeed : 600
		};
		
		if (settings) $.extend(config, settings);
		
		this.each(function(i) {	
			$(this).css({left:'0px;',right:'auto',top:'auto',bottom:'auto'});
			var measurement = (config.direction == 'left') || (config.direction == 'right') ? $(this).outerWidth() : $(this).outerHeight();
			var startStyle = {};
			startStyle['position'] = $(this).css('position') == 'static' ? 'relative' : $(this).css('position');
			startStyle[config.direction] = (config.showHide == 'show') ? '-'+measurement+'px' : 0;
			var endStyle = {};
			endStyle[config.direction] = config.showHide == 'show' ? 0 : '-'+measurement+'px';
			$(this).css(startStyle).animate(endStyle,config.changeSpeed,callback);
		});
	
		return this;
		
	};

})(jQuery);
