(function ($) {
    $.tiny = $.tiny || {};
    $.tiny.carousel = { 
		options: { start: 1, 
		display: 1,
		axis: 'x',
		controls: true,
		pager: false,
		interval: false,
		intervaltime: 3000,
		rewind: false,
		animation: true,
		duration: 1000,
		callback: null} };
		
    $.fn.tinycarousel = function (options) {
        var options = $.extend({}, $.tiny.carousel.options, options);
        this.each(function () {
            $(this).data('tcl', new Carousel($(this), options));
        });
        return this;
    };
    $.fn.tinycarousel_start = function () {
        $(this).data('tcl').start();
    };
    $.fn.tinycarousel_stop = function () {
        $(this).data('tcl').stop();
    };
    $.fn.tinycarousel_move = function (iNum) {
        $(this).data('tcl').move(iNum - 1, true);
    };
    function Carousel(root, options) {
        var oSelf = this;
        var oViewport = $('.viewport:first', root);
        var oContent = $('.overview:first', root);
        var oPages = oContent.children();
        var oBtnNext = $('.next:first', root);
        var oBtnPrev = $('.prev:first', root);
        var oPager = $('.pager:first', root);
        var iPageSize, iSteps, iCurrent, oTimer, bPause, bForward = true, bAxis = options.axis == 'x';
        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) - (bAxis ? 0 : iLeftover)) + (bAxis ? 1 : 0);
            iCurrent = Math.min(iSteps, Math.max(1, options.start)) - 2;
            oContent.css(bAxis ? 'width' : 'height', (iPageSize * oPages.length) + 10); // + 10 pour que sélection bord rouge de la dernière image fonctionne
            oSelf.move(1);
            setEvents();
			
        }
        function setEvents() {
            if (options.controls && oBtnPrev.length > 0 && oBtnNext.length > 0) {
                oBtnPrev.click(function () {
                    oSelf.move(-1);
                    return false;
                });
                oBtnNext.click(function () {
                    oSelf.move(1);
                    return false;
                });
            } 
			if (options.interval) {
                root.hover(oSelf.stop, oSelf.start);
            } 
			if (options.pager && oPager.length > 0) {
                $('a', oPager).click(setPager);
            }
        };
        function setButtons() {
            if (options.controls) {
				oBtnPrev.toggleClass('disable', !(iCurrent > 0));
				oBtnNext.toggleClass('disable', (iCurrent + (bAxis ? 2 : 1) >= iSteps));
            } 
			if (options.pager) {
                var oNumbers = $('.pagenum', oPager);
                oNumbers.removeClass('active');
                $(oNumbers[iCurrent]).addClass('active');
            } 
        };
		
        function setPager(oEvent) {
            if ($(this).hasClass('pagenum')) {
                oSelf.move(parseInt(this.rel), true);
            } return false;
        };
        function setTimer() {
            if (options.interval && !bPause) {
                clearTimeout(oTimer);
                oTimer = setTimeout(function () {
                    iCurrent = iCurrent + 1 == iSteps ? -1 : iCurrent;
                    bForward = iCurrent + 1 == iSteps ? false : iCurrent == 0 ? true : bForward;
                    oSelf.move(bForward ? 1 : -1);
                }, options.intervaltime);
            } 
        };
        this.stop = function () {
            clearTimeout(oTimer);
            bPause = true;
        };
        this.start = function () {
            bPause = false;
            setTimer();
        };
        this.move = function (iDirection, bPublic) {
            iCurrent = bPublic ? iDirection : iCurrent += iDirection;
            if (iCurrent > -1 && iCurrent < iSteps) {
                var oPosition = {};
				if (((iCurrent + 1) * options.display) >= oPages.length)
				{
					if (bAxis)
					{
						oPosition['left'] = -(iPageSize * (oPages.length - options.display ));
					}
					else
						oPosition['top'] = -(iPageSize * (oPages.length - options.display - 1) + (options.display*iCurrent + 1));
				}
				else
					{
					$Cale = ($.browser.msie && $.browser.version =='7.0' ? 1 : options.display*iCurrent + 1);
					oPosition[bAxis ? 'left' : 'top'] = -(iCurrent * (iPageSize * options.display) + (bAxis ? 0 : $Cale));
					}
				
                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,options.display,oPages.length);
					} 
					});
				
                setButtons();
                setTimer();
            } 
 		};
        return initialize();
    };
})(jQuery);