/*
 * Tiny Carousel 1.76
 * Copyright (c) 2010 Maarten Baijs
 * Date: 01/07/2010
 * Library: jQuery
 */

/*
 *** alternate version A ***

(function($){$.fn.tinycarousel=function(options){var defaults={start:1,display:1,axis:'x',controls:true,pager:false,interval:false,intervaltime:3000,animation:true,duration:1000,callback:null};var options=$.extend(defaults,options);var oSlider=$(this);var oViewport=$('.viewport',oSlider);var oContent=$('.overview',oSlider);var oPages=oContent.children();var oBtnNext=$('.next',oSlider);var oBtnPrev=$('.prev',oSlider);var oPager=$('.pager',oSlider);var iPageSize,iSteps,iCurrent,oTimer,bForward=true,bAxis=options.axis=='x';return this.each(function(){initialize();});function initialize(){iPageSize=bAxis?$(oPages[0]).outerWidth(true):$(oPages[0]).outerHeight(true);var iLeftover=Math.ceil(((bAxis?oViewport.outerWidth():oViewport.outerHeight())/(iPageSize*options.display))-1);iSteps=Math.max(1,Math.ceil(oPages.length/options.display)-iLeftover);iCurrent=Math.min(iSteps,Math.max(1,options.start))-2;oContent.css(bAxis?'width':'height',(iPageSize*oPages.length));move(1);setEvents();}
function setButtons(){if(options.controls){oBtnPrev.toggleClass('disable',!(iCurrent>0));oBtnNext.toggleClass('disable',!(iCurrent+1<iSteps));}}
function setEvents(){if(options.controls&&oBtnPrev.length>0&&oBtnNext.length>0){oBtnPrev.click(function(){move(-1);return false;});oBtnNext.click(function(){move(1);return false;});}if(options.pager&&oPager.length>0){oPager.click(setPager);}}
function setPager(oEvent){var oTarget=oEvent.target;if($(oTarget).hasClass('pagenum')){iCurrent=parseInt(oTarget.rel)-1;move(1);}return false;}
function setPagerActive(){if(options.pager){var oNumbers=$('.pagenum',oPager);oNumbers.removeClass('active');$(oNumbers[iCurrent]).addClass('active');}}
function setTimer(bReset){if(options.interval&&!bReset){clearInterval(oTimer);oTimer=window.setInterval(function(){bForward=iCurrent+1==iSteps?false:iCurrent==0?true:bForward;move(bForward?1:-1,true);},options.intervaltime);}}
function move(iDirection,bTimerReset){if(iCurrent>0||iCurrent+1<iSteps){iCurrent+=iDirection;var oPosition={};oPosition[bAxis?'left':'top']=-(iCurrent*(iPageSize*options.display));oContent.animate(oPosition,{queue:false,duration:options.animation?options.duration:0,complete:function(){if(typeof options.callback=='function')options.callback.call(this,oPages[iCurrent],iCurrent);}});setButtons();setPagerActive();setTimer(bTimerReset);}}};})(jQuery);

*/


(function($){
	$.fn.tinycarousel = function(options){
		var defaults = { 
			start: 1, // where should the carousel start?
			display: 4, // how many blocks do you want to move at 1 time?
			axis: 'x', // vertical or horizontal scroller? ( x || y ).
			controls: true, // show left and right navigation buttons.
			pager: false, // is there a page number navigation present?
			interval: false, // move to another block on intervals.
			intervaltime: 3000, // interval time in milliseconds.
			animation: true, // false is instant, true is animate.
			duration: 500, // how fast must the animation move in ms?
			callback: null // function that executes after every move
		};
		var options = $.extend(defaults, options);  

		var oSlider = $(this);
		var oViewport = $('.viewport', oSlider);
		var oContent = $('.overview', oSlider);
		var oPages = oContent.children();
		var oBtnNext = $('.next', oSlider);
		var oBtnPrev = $('.prev', oSlider);
		var oPager = $('.pager', oSlider);
		var iPageSize, iSteps, iCurrent, oTimer, bForward = true, bAxis = options.axis == 'x';

		return this.each(function(){
			initialize();
		});
		function initialize(){
			iPageSize = bAxis ? $(oPages[0]).outerWidth(true) : $(oPages[0]).outerHeight(true);
			var iLeftover = Math.ceil(((bAxis ? oViewport.outerWidth() : oViewport.outerHeight()) / (iPageSize * options.display)) -1);
			iSteps = Math.max(1, Math.ceil(oPages.length / options.display) - iLeftover);
			iCurrent = Math.min(iSteps, Math.max(1, options.start)) -2;
			oContent.css(bAxis ? 'width' : 'height', (iPageSize * oPages.length));
			move(1);
			setEvents();
		}
		function setButtons(){
			if(options.controls){
				oBtnPrev.toggleClass('disable', !(iCurrent > 0));
				oBtnNext.toggleClass('disable', !(iCurrent +1 < iSteps));
			}
		}
		function setEvents(){
			if(options.controls && oBtnPrev.length > 0 && oBtnNext.length > 0){
				oBtnPrev.click(function(){move(-1); return false;});
				oBtnNext.click(function(){move( 1); return false;});
			}
			if(options.pager && oPager.length > 0){
				oPager.click(setPager);
			}
		}
		function setPager(oEvent){
			var oTarget = oEvent.target;
			if($(oTarget).hasClass('pagenum')){
				iCurrent = parseInt(oTarget.rel) -1;
				move(1);
			}
			return false;
		}
		function setPagerActive(){
			if(options.pager){
				var oNumbers = $('.pagenum', oPager);
				oNumbers.removeClass('active');
				$(oNumbers[iCurrent]).addClass('active');
			}
		}
		function setTimer(bReset){
			if(options.interval && !bReset){
				clearInterval(oTimer);
				oTimer = window.setInterval(function(){
					bForward = iCurrent +1 == iSteps ? false : iCurrent == 0 ? true : bForward;
					move(bForward ? 1 : -1, true);
				}, options.intervaltime);
			}
		}
		function move(iDirection, bTimerReset){
			if(iCurrent + iDirection > -1 && iCurrent + iDirection < iSteps){
				iCurrent += iDirection;
				var oPosition = {};
				oPosition[bAxis ? 'left' : 'top'] = -(iCurrent * (iPageSize * options.display));	
				oContent.animate(oPosition,{
					queue: false,
					duration: options.animation ? options.duration : 0,
					complete: function(){
						if(typeof options.callback == 'function')
						options.callback.call(this, oPages[iCurrent], iCurrent);
					}
				});
				setButtons();
				setPagerActive();
				setTimer(bTimerReset);
			}
		}
	};
})(jQuery);