// 'stacks' is the Stacks global object.
// All of the other Stacks related Javascript will 
// be attatched to it.
var stacks = {};


// this call to jQuery gives us access to the globaal
// jQuery object. 
// 'noConflict' removes the '$' variable.
// 'true' removes the 'jQuery' variable.
// removing these globals reduces conflicts with other 
// jQuery versions that might be running on this page.
stacks.jQuery = jQuery.noConflict(true);

// Javascript for stacks_in_412_page26
// ---------------------------------------------------------------------

// Each stack has its own object with its own namespace.  The name of
// that object is the same as the stack's id.
stacks.stacks_in_412_page26 = {};

// A closure is defined and assined to the stack's object.  The object
// is also passed in as 'stack' which gives you a shorthand for refering
// to this object from elsewhere.
stacks.stacks_in_412_page26 = (function(stack) {

	// When jQuery is used it will be available as $ and jQuery but only
	// inside the closure.
	var jQuery = stacks.jQuery;
	var $ = jQuery;
	
//-- Gyro Stack v1.2 by Joe Workman --//

$(document).ready(function() {

	// Create the ribbon HTML
	createPager = function(){	
        $("#stacks_in_412_page26 .gyro_image_reel img").each(function(index) {
            $('<a href="#" rel="' + (index+1) + '">' + (index+1) + '</a>').appendTo('#stacks_in_412_page26 div.gyro_ribbon_middle');
        });
		// Need to swap the bragrounds when the ribbon is on the left
		if ('left' == 'left') {
			$('#stacks_in_412_page26 .gyro_ribbon_start').css("background", "url('rw_common/plugins/stacks/images/ribbon0/gyro_ribbon_left_end_0.png') no-repeat");
			$('#stacks_in_412_page26 .gyro_ribbon_end').css("background", "url('rw_common/plugins/stacks/images/ribbon0/gyro_ribbon_left_start_0.png') no-repeat");			
		}
		// This is to set some CSS styles for ribbons that don't  fit into the defaults set in the CSS file
		/* if ('0' == 2 || '0' == 3 || '0' == 4) {
			$('#stacks_in_412_page26 .gyro_ribbon').css("left", "-13px");
		}
		if ('0' == 5 || '0' == 6) {
			$('#stacks_in_412_page26 .gyro_ribbon_end').css("width", "32px");
		} */
	}; 
	createPager(); //Run function on launch

	//Set Default State of each portfolio piece
	 $("#stacks_in_412_page26 .gyro_ribbon").show();
	$("#stacks_in_412_page26 .gyro_ribbon a:first").addClass("active");

	//Get size of images, how many there are, then determin the size of the image reel.
	var imageHeight = $("#stacks_in_412_page26 .gyro_image_reel img:first").height();
	var imageWidth = $("#stacks_in_412_page26 .gyro_image_reel img:first").width();
	var imageSum = $("#stacks_in_412_page26 .gyro_image_reel img").size();
	var imageReelWidth = imageWidth * imageSum;
	
	//Adjust the image reel to its new size
	$("#stacks_in_412_page26 .gyro_container").css({'width' : imageWidth});
	$("#stacks_in_412_page26 .gyro_window").css({'width' : imageWidth});
	$("#stacks_in_412_page26 .gyro_window").css({'height' : imageHeight});
	$("#stacks_in_412_page26 .gyro_image_reel").css({'width' : imageReelWidth});
			
	//ribbon + 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

		$("#stacks_in_412_page26 .gyro_ribbon a").removeClass('active'); //Remove all active class
		$active.addClass('active'); //Add active class (the $active is declared in the rotateSwitch function)
		
		//Slider Animation
		$("#stacks_in_412_page26 .gyro_image_reel").animate({ 
			left: -image_reelPosition
		}, 1006 );		
	}; 
	
	var play;
	//Rotation + Timing Event
	rotateSwitch = function(){		
		play = setInterval(function(){ //Set timer - this will repeat itself every 3 seconds
			$active = $('#stacks_in_412_page26 .gyro_ribbon a.active').next();
			if ( $active.length === 0) { //If ribbon reaches the end...
				$active = $('#stacks_in_412_page26 .gyro_ribbon a:first'); //go back to first
			}
			rotate(); //Trigger the ribbon and slider function
		}, 6948); //Timer speed in milliseconds
	};
	rotateSwitch(); //Run function on launch
	
	//On Hover
	$("#stacks_in_412_page26 .gyro_image_reel a").hover(function() {
		clearInterval(play); //Stop the rotation
	}, function() {
		rotateSwitch(); //Resume rotation
	});	

	//On Click
	$("#stacks_in_412_page26 .gyro_ribbon a").click(function() {	
		$active = $(this); //Activate the clicked ribbon
		//Reset Timer
		clearInterval(play); //Stop the rotation
		rotate(); //Trigger rotation immediately
		if (true) {
			clearInterval(play); //Stop the rotation
		}
		else {
			rotateSwitch(); // Resume rotation
		}
		return false; //Prevent browser jump to link anchor
	});	
});

//-- End Gyro Stack --//
	return stack;
})(stacks.stacks_in_412_page26);