$.fn.infiniteCarousel = function () {

    function repeat(str, num) {
        return new Array( num + 1 ).join( str );
    }
  
    return this.each(function () {
        var $wrapper = $('> div', this).css('overflow', 'hidden'),
            $slider = $wrapper.find('> ul'),
            $items = $slider.find('> li'),
            $single = $items.filter(':first'),
            
            singleWidth = $single.outerWidth(), 
            visible = Math.ceil($wrapper.innerWidth() / singleWidth), // note: doesn't include padding or border
            currentPage = 1,
            pages = Math.ceil($items.length / visible);            

			
			

        // 1. Pad so that 'visible' number will always be seen, otherwise create empty items
        if (($items.length % visible) != 0) {
            $slider.append(repeat('<li class="empty" />', visible - ($items.length % visible)));
            $items = $slider.find('> li');
        }

        // 2. Top and tail the list with 'visible' number of items, top has the last section, and tail has the first
        $items.filter(':first').before($items.slice(- visible).clone().addClass('cloned'));
        $items.filter(':last').after($items.slice(0, visible).clone().addClass('cloned'));
        $items = $slider.find('> li'); // reselect
        
        // 3. Set the left position to the first 'real' item
        $wrapper.scrollLeft(singleWidth * visible);
        

		// Hides the left arrow on the first page and hides the right arrrow on the last page
		function showArrows(){
			$('.back').css('display','block');
			$('.forward').css('display','block');				
			
			if(currentPage == 1){
				$('.back').css('display','none');
			}
			if(currentPage == pages){
				$('.forward').css('display','none');
			}
		}
		
		
        // 4. paging function
        function gotoPage(page) {
            var dir = page < currentPage ? -1 : 1,
            n = Math.abs(currentPage - page),
            left = singleWidth * dir * visible * n;
            
			$wrapper.filter(':not(:animated)').animate({
				scrollLeft : '+=' + left
			}, 500, function () {
				if (page == 0) {
					$wrapper.scrollLeft(singleWidth * visible * pages);
					page = pages;
				} else if (page > pages) {
					$wrapper.scrollLeft(singleWidth * visible);
					// reset back to start position
					page = 1;
				} 
				
				currentPage = page;
				showArrows();
			});                
			
			
			return false;	
        }
        
		
		$wrapper.after('<a class="arrow back"></a><a class="arrow forward"></a>');
        
		showArrows();
		
        // 5. Bind to the forward and back buttons
        $('a.back', this).click(function () {
            return gotoPage(currentPage - 1);                
        });
        
        $('a.forward', this).click(function () {
            return gotoPage(currentPage + 1);
        });
        
        // create a public interface to move to a specific page
        $(this).bind('goto', function (event, page) {
            gotoPage(page);
        });
    });  
};

var href360;
function loadImage(element){
	$('#imageHolder img').attr('src',$(element).attr('href'));
	href360 = $(element).attr('data-href360');
	if(typeof href360 != 'undefined'){	
		// It exists so show the pointer
		$('#view360').css('cursor','pointer');
	}else{
		// Hide image map
		$('#view360').css('cursor','default');		
	}	
}

function click360(){
	if(typeof href360 != 'undefined'){	
		
		url = '/popup/video360.php?video='+href360;
		window.open(url, Math.floor(Math.random()*100), "height=550,width=830,resizable=no,scrollbars=no,toolbar=no,status=no,location=no,menubar=no" );
	}
}


$(document).ready(function () {
	$('.infiniteCarousel').infiniteCarousel();
	
	if(typeof firstphoto != 'undefined'){
		loadImage($("#"+firstphoto));
	}else{
		loadImage($('#firstImage'));
	}
	$('.wrapper a').each(function(idx, item) {
		$(this).click(function() {
			loadImage(this);
			return false;
		});
	});
	
	
});