/*
important! 

1: carousel assumes that items are numbered 0-n, but nettoolbox view numbers 1-n+1
therefore, adjusted the following expression: iCurrent = parseInt(this.rel) - 2;
*/


(function ($) {
    $.fn.tinycarousel = function (options) {
        var defaults = { start: 1, display: 1, axis: 'x', controls: true, pager: false, interval: false, intervaltime: 3000, rewind: false, animation: true, duration: 1000, callback: null }; var options = $.extend(defaults, options); var oSlider = $(this); var oViewport = $('.viewport:first', oSlider); var oContent = $('.overview:first', oSlider); var oPages = oContent.children(); var oBtnNext = $('.next:first', oSlider); var oBtnPrev = $('.prev:first', oSlider); var oPager = $('.pager:first', oSlider); var iPageSize, iSteps, iCurrent, oTimer, bPause, 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 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.interval) { oSlider.hover(function () { clearTimeout(oTimer); bPause = true }, function () { bPause = false; setTimer(); }); } if (options.pager && oPager.length > 0) { $('a', oPager).click(setPager); } }
        function setButtons() { if (options.controls) { oBtnPrev.toggleClass('disable', !(iCurrent > 0)); oBtnNext.toggleClass('disable', !(iCurrent + 1 < iSteps)); } if (options.pager) { var oNumbers = $('.pagenum', oPager); oNumbers.removeClass('active'); $(oNumbers[iCurrent]).addClass('active'); } }
        function setPager(oEvent) { if ($(this).hasClass('pagenum')) { iCurrent = parseInt(this.rel) - 2; move(1); } return false; }
        function setTimer() { if (options.interval && !bPause) { clearTimeout(oTimer); oTimer = setTimeout(function () { iCurrent = !options.rewind && (iCurrent + 1 == iSteps) ? -1 : iCurrent; bForward = iCurrent + 1 == iSteps ? false : iCurrent == 0 ? true : bForward; move((options.rewind ? (bForward ? 1 : -1) : 1)); }, options.intervaltime); } }
        function move(iDirection) { 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(); setTimer(); } } 
    };
})(jQuery);