(function($){

$.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);
        
        // 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
            }, 2000, 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);
        });
        
        $(this).bind('next', function () { 
 		gotoPage(currentPage + 1);
		 });

    });  
};

function changeSlideshow(integer,fadeTimer){
	$('#myslide .cover').css({top:-250*(parseInt(integer)-1)}).hide().fadeIn(fadeTimer);
		$('#button a').each(function(){
		$(this).removeClass('active');
			if($(this).hasClass('button'+integer)){
				$(this).addClass('active')}
				});
}
$(document).ready(function (){
	$('#button a').click(function(){
		var integer = $(this).attr('rel');
		changeSlideshow(integer,700);
		});
		var $buttons = $('#button').find('a'),
		numberOfButtons = $buttons.length;
		var randomButton = Math.floor(Math.random()*numberOfButtons+1);
		changeSlideshow(randomButton,0);
	});	
	
$(document).ready(function(){

var autoscrolling = true;
$('.infiniteCarousel').infiniteCarousel().mouseover(function () {  
autoscrolling = false;}).mouseout(function () {  
autoscrolling = true;
});
setInterval(function () {  
if (autoscrolling) {    
$('.infiniteCarousel').trigger('next');  
}
}, 20000);
	
	
});

})(jQuery);