var page=0;;
var currentPage=0;
var pages = 0;
(function () {
    $.fn.infiniteCarousel = function () {
        function repeat(str, n) {
            return new Array( n + 1 ).join(str);
        }
        
        return this.each(function () {
            // magic!
            var $wrapper = $('> div', this).css('overflow', 'hidden'),
                $slider = $wrapper.find('> ul');
                $items = $slider.find('> li'),
                $single = $items.filter(':first')
                
                singleWidth = $single.outerWidth(),
                visible = 1, //Math.ceil($wrapper.innerWidth() / singleWidth),
                currentPage = 1,
                pages = Math.ceil($items.length / visible);
            	$slider.width(singleWidth*($items.length+3));
            /* TASKS */
            
            // 1. pad the pages with empty element if required
            /*if ($items.length % visible != 0) {
                // pad
                $slider.append(repeat('<li class="empty" />', visible - ($items.length % visible)));
                $items = $slider.find('> li');
            }*/
            
            // 2. create the carousel padding on left and right (cloned)
            $items.filter(':first').before($items.slice(-visible).clone().addClass('cloned'));
            $items.filter(':last').after($items.slice(0, visible).clone().addClass('cloned'));
            $(".wrapper ul").append($items.slice(1, 2).clone().addClass('cloned1'));
            $items = $slider.find('> li');

            // 3. reset scroll
            // $wrapper.scrollLeft(singleWidth * visible);
            // 4. paging function
            function gotoPage(page) {
            	//alert(page + " of " + pages);
                var dir = page < currentPage ? -1 : 1,
                    n = Math.abs(currentPage - page),
               		left = singleWidth * dir * visible * n;
               		$currLeft = left;
                $slider.filter(':not(:animated)').animate({
                    left : '-=' + left
                }, 600, function () {
                    // if page == last page - then reset position
                    if (page == pages+1) {
                    	//alert(singleWidth * visible * pages);
                        $slider.css('left', $btnLeft-singleWidth);
                        //$currLeft = $btnLeft-singleWidth;
                        page = 1;
                    } else if (page == 0) {
                        //alert(singleWidth * visible * pages + "back");
                        page = pages;
                        $slider.css('left', $btnLeft-(singleWidth * visible * pages)); //left(singleWidth * visible * pages);
                    	//$currLeft = $btnLeft-(singleWidth * visible * pages);
                    }
                    currentPage = page;
                });
            }
            
            // 5. insert the back and forward link
           $wrapper.after('<div id="gallery-nav"><a href="#" class="arrow back">&lt;</a><a href="#" class="arrow forward">&gt;</a></div>');
            
            // 6. bind the back and forward links
            $('a.back', this).click(function () {
            	//alert(currentPage);
                gotoPage(currentPage - 1);
                return false;
            });
            
            $('a.forward', this).click(function () {
                gotoPage(currentPage + 1);
                return false;
            });
            
            $(this).bind('goto', function (event, page) {
                gotoPage(page);
            });
            
            // THIS IS NEW CODE FOR THE AUTOMATIC INFINITE CAROUSEL
            $(this).bind('next', function () {
                gotoPage(currentPage + 1);
            });
         
        });
    };
})(jQuery);

$(document).ready(function () {
    $left = 1000 - (($(window).width()-1000)/2);
   	$(".wrapper ul").css('left', -$left);
    $currLeft = 0;
    $(window).resize(function(){
    		$oldLeft = new Number($left);
    	    $left = 1000-((($(window).width()-1000)/2));
    	    $lefty = $(".wrapper ul").css('left').split("p");
    	    $lefty = new Number($lefty[0]);

    	    $lefty = ($lefty+$oldLeft)-$left;
   			$(".wrapper ul").css('left', ($lefty) + "px");
   			
   			$btnLeft = (($(window).width()-1000)/2);
			$("#gallery-nav").css('left', $btnLeft);
    });
    
    // THIS IS NEW CODE FOR THE AUTOMATIC INFINITE CAROUSEL
    var autoscrolling = true;
    
  	$('#content-wrap').infiniteCarousel().mouseover(function () {
        autoscrolling = false;
    }).mouseout(function () {
        autoscrolling = true;
    });
    
   /* setInterval(function () {
        if (autoscrolling) {
        	$('#content-wrap').trigger('next');
        }
    }, 8000);
    */
    //Positioning the buttons in the center.
    $btnLeft = (($(window).width()-1000)/2);
   $("#gallery-nav").css('left', $btnLeft);

   $(document).pngFix();


});