$(document).ready(function() {
			//move he last list item before the first item. The purpose of this is if the user clicks to slide left he will be able to see the last item.
			$('#carousel_ul li:first').before($('#carousel_ul li:last')); 
			
			
			//when user clicks the image for sliding right        
			$('#right_scroll img').click(function(){
			
				//get the width of the items ( i like making the jquery part dynamic, so if you change the width in the css you won't have o change it here too ) '
				var item_width = $('#carousel_ul li').outerWidth() + 10;
				
				//calculae the new left indent of the unordered list
				var left_indent = parseInt($('#carousel_ul').css('left')) - item_width;
				
				//make the sliding effect using jquery's anumate function '
				$('#carousel_ul:not(:animated)').animate({'left' : left_indent},200,function(){    
					
					//get the first list item and put it after the last list item (that's how the infinite effects is made) '
					$('#carousel_ul li:last').after($('#carousel_ul li:first')); 
					
					//and get the left indent to the default -210px
					$('#carousel_ul').css({'left' : '-310px'});
				}); 
			});
			
			//when user clicks the image for sliding left
			$('#left_scroll img').click(function(){
				
				var item_width = $('#carousel_ul li').outerWidth() + 10;
				
				/* same as for sliding right except that it's current left indent + the item width (for the sliding right it's - item_width) */
				var left_indent = parseInt($('#carousel_ul').css('left')) + item_width;
				
				$('#carousel_ul:not(:animated)').animate({'left' : left_indent},200,function(){    
				
				/* when sliding to left we are moving the last item before the first list item */            
				$('#carousel_ul li:first').before($('#carousel_ul li:last')); 
				
				/* and again, when we make that change we are setting the left indent of our unordered list to the default -210px */
				$('#carousel_ul').css({'left' : '-310px'});
				});
				
				
			});
	  });