$(document).ready(function() {



	//Set Default State of each portfolio piece

	$("#paging").show();

	$("#paging #f").addClass("active");

		

	//Get size of images, how many there are, then determin the size of the image reel.

	var imageWidth = $(".window").width();

	var imageSum = $(".image_reel img").size();

	var imageReelWidth = imageWidth * imageSum;

	

	//Adjust the image reel to its new size

	$(".image_reel").css({'width' : imageReelWidth});

	

	//Paging + Slider Function

	rotate = function(){	

		var triggerID = $active.attr("rel") - 1; //Get number of times to slide

		var image_reelPosition = triggerID * imageWidth; //Determines the distance the image reel needs to slide


		$("#paging a").removeClass('active'); //Remove all active class

		$active.addClass('active'); //Add active class (the $active is declared in the rotateSwitch function)

        // Slider animation
		$(".image_reel").animate({ 

			left: -image_reelPosition

		}, 500 );

		

	}; 

	

	//Rotation + Timing Event

	rotateSwitch = function(){		

		play = setInterval(function(){ //Set timer - this will repeat itself every 3 seconds

			$active = $('#paging a.active').next();
            
			if ( $active.length === 0) { //If paging reaches the end...

				$active = $('#f'); //go back to first

			}
   
			
            rotate(); //Trigger the paging and slider function

		}, 4500); //Timer speed in milliseconds (3 seconds)

	};

	

	rotateSwitch(); //Run function on launch

	

	//On Hover

	$(".image_reel a, #slider-next, #slider-previous, #paging").hover(function() {

		clearInterval(play); //Stop the rotation

	}, function() {

		rotateSwitch(); //Resume rotation

	});	

	

	//On Click

	$("#paging a").click(function() {	

		$active = $(this); //Activate the clicked paging

		//Reset Timer

		//clearInterval(play); //Stop the rotation

		rotate(); //Trigger rotation immediately

		//rotateSwitch(); // Resume rotation

		return false; //Prevent browser jump to link anchor

	});	
    
    $("#slider-next").click(function() {
       
       $active = $('#paging a.active').next();
       
       if ( $active.length === 0) { //If paging reaches the end...

				$active = $('#f'); //go back to first

			}
       
       rotate();
       
       return false; 
        
    });
    
    $("#slider-previous").click(function() {
       
       $active = $('#paging a.active').prev();
       
       if ( $active.length === 0) { //If paging reaches the end...

				$active = $('#l'); //go back to first

			}
        
       rotate();
       
       return false; 
        
    });

	

});