(function($) {                                          // Compliant with jquery.noConflict()
$.fn.jCarouselLite = function(o) {
	o = $.extend({
		btnPrev: null,
		btnNext: null,
		btnGo: null,
		mouseWheel: false,
		auto: null,

		speed: 200,
		easing: null,

		vertical: false,
		circular: true,
		visible: 3,
		start: 0,
		scroll: 1,
		hoverImage: false,
		killHoverImage: 0,
		
		beforeStart: null,
		afterEnd: null
	}, o || {});

	return this.each(function() {                           // Returns the element collection. Chainable.

		var running = false, animCss=o.vertical?"top":"left", sizeCss=o.vertical?"height":"width";
		var div = $(this), ul = $("ul", div), tLi = $("li", ul), tl = tLi.size(), v = o.visible, paused=0;
		
		if(o.circular) {
			ul.prepend(tLi.slice(tl-v-1+1).clone())
			  .append(tLi.slice(0,v).clone());
			o.start += v;
		}
		
		if(o.hoverImage) {
		
			$('.control').hover(
				function() {
					o.killHoverImage = o.killHoverImage - 1;
					if(o.killHoverImage >= 0) {
						currentHover = parseInt($(this).attr('id'))
						left = 180 + ((-tl + 1) + currentHover*2) * 12; 
						clearInterval(autoInterval);
						a = $("<div/>");
						a.css({
							'background' : 'no-repeat url("sites/key/assets/carousel_hover.gif")',
							'background-position' : 'bottom', 
							'width' : '150px',
							'position' : 'absolute',
							'left' : left + 'px',
							'height' : '37px',
							'top' : '10px',
							'opacity' : '0'
						});
						$('.slideshow_notification').append(a);
						
						$(a).animate({
							'top' : '0px',
							'opacity' : '1'
						}, 200, function() { } );
					}					
				}, 
				
				function() {
					if(o.killHoverImage >= 0) {
						setTimeout( 
							function() {
								$(a).animate({
								'top' : '-10px',
									'opacity' : '0'
								}, 200, function () {
									$(a).remove();
								})
								
							},
							800
						)
					} else {
						setTimeout(
							function() {
								$('.slideshow_notification div').animate({
								'top' : '-10px',
									'opacity' : '0'
								}, 200, function () {
									$(a).remove();
								})
							}
							, 500
						)
					}
					//$('.slideshow_notification div').remove();
					
					//alert('off');
					/*autoInterval = setInterval(function() {
						go(curr+o.scroll);
						$(".control").removeClass("selected");
						number = parseInt(curr) % tl;
						if(number == 0) number = tl;
						$("." + number).addClass("selected");
					}, o.auto+o.speed);*/
				}
			);
		}
		
		// Set pause flag
		//o.pauseOnHover ? $('.control').hover(function (){paused=1}, function (){paused=0}) : "";
		
		/*o.pauseOnClick ? $('.control').click(
			function() {
				go(curr+o.scroll);
				paused=1;
			}) : "";
		*/
		var li = $("li", ul), itemLength = li.size(), curr = o.start;
		div.css("visibility", "visible");

		li.css({overflow: "hidden", 'float': o.vertical ? "none" : "left"});
		ul.css({margin: "0", padding: "0", position: "relative", "list-style-type": "none", "z-index": "1"});
		div.css({overflow: "hidden", position: "relative", "z-index": "2", left: "0px"});

		var liSize = o.vertical ? height(li) : width(li);   // Full li size(incl margin)-Used for animation
		var ulSize = liSize * itemLength;                   // size of full ul(total length, not just for the visible items)
		var divSize = liSize * v;                           // size of entire div(total length for just the visible items)

		li.css({width: li.width(), height: li.height()});
		ul.css(sizeCss, ulSize+"px").css(animCss, -(curr*liSize));

		div.css(sizeCss, divSize+"px");                     // Width of the DIV. length of visible images

		if(o.btnPrev)
			$(o.btnPrev).click(function() {
				return go(curr-o.scroll);
			});

		if(o.btnNext)
			$(o.btnNext).click(function() {
				return go(curr+o.scroll);
			});

		if(o.btnGo)
			$.each(o.btnGo, function(i, val) {
				$(val).click(function() {
					return go(o.circular ? o.visible+i : i);
				});
			});

		if(o.mouseWheel && div.mousewheel)
			div.mousewheel(function(e, d) {
				return d>0 ? go(curr-o.scroll) : go(curr+o.scroll);
			});

		if(o.auto) {
			autoInterval = setInterval(function() {
				go(curr+o.scroll);
				$(".control").removeClass("selected");
				number = parseInt(curr) % tl;
				if(number == 0) number = tl;
				$("." + number).addClass("selected");
			}, o.auto+o.speed);
			
			$('.control').click(function() {
				clearInterval(autoInterval);
			});
			
			
		}
		
		function vis() {
			return li.slice(curr).slice(0,v);
		};

		function go(to) {
			if(!running && !paused) {

				if(o.beforeStart)
					o.beforeStart.call(this, vis());

				if(o.circular) {            // If circular we are in first or last, then goto the other end
					if(to<=o.start-v-1) {           // If first, then goto last
						ul.css(animCss, -((itemLength-(v*2))*liSize)+"px");
						// If "scroll" > 1, then the "to" might not be equal to the condition; it can be lesser depending on the number of elements.
						curr = to==o.start-v-1 ? itemLength-(v*2)-1 : itemLength-(v*2)-o.scroll;
					} else if(to>=itemLength-v+1) { // If last, then goto first
						ul.css(animCss, -( (v) * liSize ) + "px" );
						// If "scroll" > 1, then the "to" might not be equal to the condition; it can be greater depending on the number of elements.
						curr = to==itemLength-v+1 ? v+1 : v+o.scroll;
					} else curr = to;
				} else {                    // If non-circular and to points to first or last, we just return.
					if(to<0 || to>itemLength-v) return;
					else curr = to;
				}                           // If neither overrides it, the curr will still be "to" and we can proceed.

				running = true;

				ul.animate(
					animCss == "left" ? { left: -(curr*liSize) } : { top: -(curr*liSize) } , o.speed, o.easing,
					function() {
						if(o.afterEnd)
							o.afterEnd.call(this, vis());
						running = false;
					}
				);
				// Disable buttons when the carousel reaches the last/first, and enable when not
				if(!o.circular) {
					$(o.btnPrev + "," + o.btnNext).removeClass("disabled");
					$( (curr-o.scroll<0 && o.btnPrev)
						||
					   (curr+o.scroll > itemLength-v && o.btnNext)
						||
					   []
					 ).addClass("disabled");
				}

			}
			return false;
		};
	});
};

function css(el, prop) {
	return parseInt($.css(el[0], prop)) || 0;
};
function width(el) {
	return  el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
};
function height(el) {
	return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
};

})(jQuery);