(function ($) {
 	
$.fn.jqueryCarousel = 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 = $single.outerWidth(), 
            scrolling = 7,
			visible = 1,
            currentPage = 7,
            pages = Math.ceil($items.length / visible);            

        // 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(- scrolling).clone().addClass('cloned'));
        $items.filter(':last').after($items.slice(0, scrolling).clone().addClass('cloned'));
        $items = $slider.find('> li'); // reselect
        
        // 3. Set the left position to the first 'real' item
        $wrapper.scrollLeft(singleWidth * scrolling);
        
        // 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;
            });                
            
            return false;
        }
        
        $wrapper.after('<a class="arrow back"></a><a class="arrow forward"></a>');
        
        // 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);
        });

		// add 'selected' class to currently selected element
		var current = $('dummy');
		$('#carousel_list a').click(function() {
			// remove 'selected' id from all the others
			$('.' + current.attr('class')).children('img').attr('id', null);
			// add 'selected' id to the currently clicked item and its clones (similar class)
			$('.' + $(this).attr('class')).children('img').attr('id', 'selected');
			current = $(this);
		});
		
    });  
};		
 	
 	
})(jQuery);