
$(document).ready(function() {

	//Set Default State of each portfolio piece
	$(".paging").show();
	$(".paging a:first").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;
	var imageUrl = "images/slider/";
	var imagePrefix = "navi_splash_0";


	/*preloadImages("images/slider/navi_splash_01_1.png",
				  "images/slider/navi_splash_02_1.png",
				  "images/slider/navi_splash_03_1.png",
				  "images/slider/navi_splash_04_1.png",
				  "images/slider/navi_splash_05_1.png",
				  "images/slider/navi_splash_06_1.png");*/


	//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)
		
		unselectButtons();  //Unselect all Buttons
		
		//$(this).attr("src", imageUrl + imagePrefix + $active.attr("rel") + "_1.png");
		//alert("Test: " + $active.attr("rel"));
		$("#button" + $active.attr("rel") ).attr("src", imageUrl + imagePrefix + $active.attr("rel") + "_1.png");

		//Slider Animation
		$(".image_reel").animate({
			left: -image_reelPosition
		}, 500 );

	};
	
	jump = 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
		}, 1 );

	};

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

	//On Click
	$(".paging a").hover(function() {
		$active = $(this); //Activate the clicked paging
		//Reset Timer
		clearInterval(play); //Stop the rotation
		jump(); //Trigger rotation immediately
		rotateSwitch(); // Resume rotation
		return false; //Prevent browser jump to link anchor
	});

	$(".paging img").mouseenter(function() {
		unselectButtons();
		$(this).attr("src", imageUrl + imagePrefix + $(this).attr("alt") + "_1.png");
	});
	
	$(".paging img").mouseleave(function() {
		$(this).attr("src", imageUrl + imagePrefix + $(this).attr("alt") + ".png");
	});
	
	//Unselect all Buttons
	unselectButtons = function(){
		for(count=1; count<=6; count++)
			$("#button" + count).attr("src", imageUrl + imagePrefix + count + ".png");
	};


	preloadImages = function(arguments) {
	  for(var i = 0; i<arguments.length; i++)
		jQuery("<img>").attr("src", arguments[i]);
	};

});
