$.fn.infiniteCarousel = function (animateReverse) {

	if(animateReverse==null)
		animateReverse = false;

    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
	        }, 900, 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);
	    });
	    
	    function nextPg(){
	    	if(!animateReverse)
	    		gotoPage(currentPage + 1);
	    	else
		    	gotoPage(currentPage - 1);
	    }	 
	    
	    setInterval(nextPg,10000,animateReverse);
	    
	}); 

};

$(document).ready(function () {
 $('#patient_testimonials').infiniteCarousel(false);
 $('#physician_testimonials').infiniteCarousel();
});