$a(document).ready(function() {
    // Set Default State of each portfolio piece
    $a(".paging").show();
    $a(".paging a:first").addClass("active");

    // Get size of images, how many there are, then determin the size of the image reel.
    var imageWidth = $a(".window").width();
    var imageSum = $a(".image_reel img").size();
    var imageReelWidth = imageWidth * imageSum;

    // Adjust the image reel to its new size
    $a(".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

        $a(".paging a").removeClass('active'); //Remove all active class
        $active.addClass('active'); //Add active class (the $active is declared in the rotateSwitch function)

        // Slider Animation
        $a(".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 = $a('.paging a.active').next();
            if ( $active.length === 0) { //If paging reaches the end...
                $active = $a('.paging a:first'); //go back to first
            }
            rotate(); //Trigger the paging and slider function
	}, 7000); //Timer speed in milliseconds (3 seconds)
    };

    rotateSwitch(); //Run function on launch

    // On Hover
    $a(".image_reel a").hover(function() {
        clearInterval(play); //Stop the rotation
    }, function() {
        rotateSwitch(); //Resume rotation
    });

    // On Click
    $a(".paging a").click(function() {
        $active = $a(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
    });

});
