var includeCaption = true; // Turn on the "caption" feature, and write out the caption HTML
var zoomTime       = 5;    // Milliseconds between frames of zoom animation
var zoomSteps      = 15;   // Number of zoom animation frames
var includeFade    = 1;    // Set to 1 to fade the image in / out as it zooms
var minBorder      = 90;   // Amount of padding between large, scaled down images, and the window edges
var shadowSettings = '0px 5px 25px rgba(0, 0, 0, '; // Blur, radius, color of shadow for compatible browsers

var zoomImagesURI   = '/images-global/zoom/'; // Location of the zoom and shadow images

// Init. Do not add anything below this line, unless it's something awesome.

var myWidth = 0, myHeight = 0, myScroll = 0; myScrollWidth = 0; myScrollHeight = 0;
var zoomOpen = false, preloadFrame = 1, preloadActive = false, preloadTime = 0, imgPreload = new Image();
var preloadAnimTimer = 0;

var zoomActive = new Array(); var zoomTimer  = new Array(); 
var zoomOrigW  = new Array(); var zoomOrigH  = new Array();
var zoomOrigX  = new Array(); var zoomOrigY  = new Array();

var zoomID         = "ZoomBox";
var theID          = "ZoomImage";
var zoomCaption    = "ZoomCaption";
var zoomCaptionDiv = "ZoomCapDiv";

if (navigator.userAgent.indexOf("MSIE") != -1) {
	var browserIsIE = true;
}


// Fade: Initialize the fade function

var fadeActive = new Array();
var fadeQueue  = new Array();
var fadeTimer  = new Array();
var fadeClose  = new Array();
var fadeMode   = new Array();


////////////////////////////
//
// UTILITY functions
//

// Utility: Set the opacity, compatible with a number of browsers. Value from 0 to 100.

function setOpacity(opacity, theID) {

	var object = document.getElementById(theID).style;

	// If it's 100, set it to 99 for Firefox.

	if (navigator.userAgent.indexOf("Firefox") != -1) {
		if (opacity == 100) { opacity = 99.9999; } // This is majorly awkward
	}

	// Multi-browser opacity setting

	object.filter = "alpha(opacity=" + opacity + ")"; // IE/Win
	object.opacity = (opacity / 100);                 // Safari 1.2, Firefox+Mozilla

}

// Utility: Math functions for animation calucations - From http://www.robertpenner.com/easing/
//
// t = time, b = begin, c = change, d = duration
// time = current frame, begin is fixed, change is basically finish - begin, duration is fixed (frames),

function linear(t, b, c, d)
{
	return c*t/d + b;
}

function sineInOut(t, b, c, d)
{
	return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
}

function cubicIn(t, b, c, d) {
	return c*(t/=d)*t*t + b;
}

function cubicOut(t, b, c, d) {
	return c*((t=t/d-1)*t*t + 1) + b;
}

function cubicInOut(t, b, c, d)
{
	if ((t/=d/2) < 1) return c/2*t*t*t + b;
	return c/2*((t-=2)*t*t + 2) + b;
}

function bounceOut(t, b, c, d)
{
	if ((t/=d) < (1/2.75)){
		return c*(7.5625*t*t) + b;
	} else if (t < (2/2.75)){
		return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
	} else if (t < (2.5/2.75)){
		return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
	} else {
		return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
	}
}


// Utility: Get Shift Key Status
// IE events don't seem to get passed through the function, so grab it from the window.

function getShift(evt) {
	var shift = false;
	if (! evt && window.event) {
		shift = window.event.shiftKey;
	} else if (evt) {
		shift = evt.shiftKey;
		if (shift) evt.stopPropagation(); // Prevents Firefox from doing shifty things
	}
	return shift;
}

// Utility: Find the Y position of an element on a page. Return Y and X as an array

function findElementPos(elemFind)
{
	var elemX = 0;
	var elemY = 0;
	do {
		elemX += elemFind.offsetLeft;
		elemY += elemFind.offsetTop;
	} while ( elemFind = elemFind.offsetParent )

	return Array(elemX, elemY);
}