// FancyZoom.js - v1.1 - http://www.fancyzoom.com
//
// Copyright (c) 2008 Cabel Sasser / Panic Inc
// All rights reserved.
// 
//     Requires: FancyZoomHTML.js
// Instructions: Include JS files in page, call setupZoom() in onLoad. That's it!
//               Any <a href> links to images will be updated to zoom inline.
//               Add rel="nozoom" to your <a href> to disable zooming for an image.
// 
// Redistribution and use of this effect in source form, with or without modification,
// are permitted provided that the following conditions are met:
// 
// * USE OF SOURCE ON COMMERCIAL (FOR-PROFIT) WEBSITE REQUIRES ONE-TIME LICENSE FEE PER DOMAIN.
//   Reasonably priced! Visit www.fancyzoom.com for licensing instructions. Thanks!
//
// * Non-commercial (personal) website use is permitted without license/payment!
//
// * Redistribution of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
//
// * Redistribution of source code and derived works cannot be sold without specific
//   written prior permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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   = 'http://www.yvesgautheron.fr/images/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;
}

// Zoom: Setup The Page! Called in your <body>'s onLoad handler.

function setupZoom() {
prepZooms();
insertZoomHTML();
zoomdiv = document.getElementById(zoomID);  
zoomimg = document.getElementById(theID);
}

// Zoom: Inject Javascript functions into hrefs pointing to images, one by one!
// Skip any href that contains a rel="nozoom" tag.
// This is done at page load time via an onLoad() handler.

function prepZooms() {
if (! document.getElementsByTagName) {
return;
}
var links = document.getElementsByTagName("a");
for (i = 0; i < links.length; i++) {
if (links[i].getAttribute("href")) {
if (links[i].getAttribute("href").search(/(.*)\.(jpg|jpeg|gif|png|bmp|tif|tiff)/gi) != -1) {
if (links[i].getAttribute("rel") != "nozoom") {
links[i].onclick = function (event) { return zoomClick(this, event); };
links[i].onmouseover = function () { zoomPreload(this); };
}
}
}
}
}

// Zoom: Load an image into an image object. When done loading, function sets preloadActive to false,
// so other bits know that they can proceed with the zoom.
// Preloaded image is stored in imgPreload and swapped out in the zoom function.

function zoomPreload(from) {

var theimage = from.getAttribute("href");

// Only preload if we have to, i.e. the image isn't this image already

if (imgPreload.src.indexOf(from.getAttribute("href").substr(from.getAttribute("href").lastIndexOf("/"))) == -1) {
preloadActive = true;
imgPreload = new Image();

// Set a function to fire when the preload is complete, setting flags along the way.

imgPreload.onload = function() {
preloadActive = false;
}

// Load it!
imgPreload.src = theimage;
}
}

// Zoom: Start the preloading animation cycle.

function preloadAnimStart() {
preloadTime = new Date();
document.getElementById("ZoomSpin").style.left = (myWidth / 2) + 'px';
document.getElementById("ZoomSpin").style.top = ((myHeight / 2) + myScroll) + 'px';
document.getElementById("ZoomSpin").style.visibility = "visible";
preloadFrame = 1;
document.getElementById("SpinImage").src = zoomImagesURI+'zoom-spin-'+preloadFrame+'.png';  
preloadAnimTimer = setInterval("preloadAnim()", 100);
}

// Zoom: Display and ANIMATE the jibber-jabber widget. Once preloadActive is false, bail and zoom it up!

function preloadAnim(from) {
if (preloadActive != false) {
document.getElementById("SpinImage").src = zoomImagesURI+'zoom-spin-'+preloadFrame+'.png';
preloadFrame++;
if (preloadFrame > 12) preloadFrame = 1;
} else {
document.getElementById("ZoomSpin").style.visibility = "hidden";    
clearInterval(preloadAnimTimer);
preloadAnimTimer = 0;
zoomIn(preloadFrom);
}
}

// ZOOM CLICK: We got a click! Should we do the zoom? Or wait for the preload to complete?
// todo?: Double check that imgPreload src = clicked src

function zoomClick(from, evt) {

var shift = getShift(evt);

// Check for Command / Alt key. If pressed, pass them through -- don't zoom!
if (! evt && window.event && (window.event.metaKey || window.event.altKey)) {
return true;
} else if (evt && (evt.metaKey|| evt.altKey)) {
return true;
}

// Get browser dimensions
getSize();

// If preloading still, wait, and display the spinner.
if (preloadActive == true) {
// But only display the spinner if it's not already being displayed!
if (preloadAnimTimer == 0) {
preloadFrom = from;
preloadAnimStart();
}
} else {
// Otherwise, we're loaded: do the zoom!
zoomIn(from, shift);
}

return false;

}

// Zoom: Move an element in to endH endW, using zoomHost as a starting point.
// "from" is an object reference to the href that spawned the zoom.

function zoomIn(from, shift) {

zoomimg.src = from.getAttribute("href");

// Determine the zoom settings from where we came from, the element in the <a>.
// If there's no element in the <a>, or we can't get the width, make stuff up

if (from.childNodes[0].width) {
startW = from.childNodes[0].width;
startH = from.childNodes[0].height;
startPos = findElementPos(from.childNodes[0]);
} else {
startW = 50;
startH = 12;
startPos = findElementPos(from);
}

hostX = startPos[0];
hostY = startPos[1];

// Make up for a scrolled containing div.
// TODO: This HAS to move into findElementPos.

if (document.getElementById('scroller')) {
hostX = hostX - document.getElementById('scroller').scrollLeft;
}

// Determine the target zoom settings from the preloaded image object

endW = imgPreload.width;
endH = imgPreload.height;

// Start! But only if we're not zooming already!

if (zoomActive[theID] != true) {

// Clear everything out just in case something is already open

if (document.getElementById("ShadowBox")) {
document.getElementById("ShadowBox").style.visibility = "hidden";
} else if (! browserIsIE) {

// Wipe timer if shadow is fading in still
if (fadeActive["ZoomImage"]) {
clearInterval(fadeTimer["ZoomImage"]);
fadeActive["ZoomImage"] = false;
fadeTimer["ZoomImage"] = false;
}

document.getElementById("ZoomImage").style.webkitBoxShadow = shadowSettings + '0.0)';
}

document.getElementById("ZoomClose").style.visibility = "hidden";     

// Setup the CAPTION, if existing. Hide it first, set the text.

if (includeCaption) {
document.getElementById(zoomCaptionDiv).style.visibility = "hidden";
if (from.getAttribute('title') && includeCaption) {
// Yes, there's a caption, set it up
document.getElementById(zoomCaption).innerHTML = from.getAttribute('title');
} else {
document.getElementById(zoomCaption).innerHTML = "";
}
}

// Store original position in an array for future zoomOut.

zoomOrigW[theID] = startW;
zoomOrigH[theID] = startH;
zoomOrigX[theID] = hostX;
zoomOrigY[theID] = hostY;

// Now set the starting dimensions

zoomimg.style.width = startW + 'px';
zoomimg.style.height = startH + 'px';
zoomdiv.style.left = hostX + 'px';
zoomdiv.style.top = hostY + 'px';

// Show the zooming image container, make it invisible

if (includeFade == 1) {
setOpacity(0, zoomID);
}
zoomdiv.style.visibility = "visible";

// If it's too big to fit in the window, shrink the width and height to fit (with ratio).

sizeRatio = endW / endH;
if (endW > myWidth - minBorder) {
endW = myWidth - minBorder;
endH = endW / sizeRatio;
}
if (endH > myHeight - minBorder) {
endH = myHeight - minBorder;
endW = endH * sizeRatio;
}

zoomChangeX = ((myWidth / 2) - (endW / 2) - hostX);
zoomChangeY = (((myHeight / 2) - (endH / 2) - hostY) + myScroll);
zoomChangeW = (endW - startW);
zoomChangeH = (endH - startH);

// Shift key?

if (shift) {
tempSteps = zoomSteps * 7;
} else {
tempSteps = zoomSteps;
}

// Setup Zoom

zoomCurrent = 0;

// Setup Fade with Zoom, If Requested

if (includeFade == 1) {
fadeCurrent = 0;
fadeAmount = (0 - 100) / tempSteps;
} else {
fadeAmount = 0;
}

// Do It!

zoomTimer[theID] = setInterval("zoomElement('"+zoomID+"', '"+theID+"', "+zoomCurrent+", "+startW+", "+zoomChangeW+", "+startH+", "+zoomChangeH+", "+hostX+", "+zoomChangeX+", "+hostY+", "+zoomChangeY+", "+tempSteps+", "+includeFade+", "+fadeAmount+", 'zoomDoneIn(zoomID)')", zoomTime);
zoomActive[theID] = true; 
}
}

// Zoom it back out.

function zoomOut(from, evt) {

// Get shift key status.
// IE events don't seem to get passed through the function, so grab it from the window.

if (getShift(evt)) {
tempSteps = zoomSteps * 7;
} else {
tempSteps = zoomSteps;
}

// Check to see if something is happening/open
  
if (zoomActive[theID] != true) {

// First, get rid of the shadow if necessary.

if (document.getElementById("ShadowBox")) {
document.getElementById("ShadowBox").style.visibility = "hidden";
} else if (! browserIsIE) {

// Wipe timer if shadow is fading in still
if (fadeActive["ZoomImage"]) {
clearInterval(fadeTimer["ZoomImage"]);
fadeActive["ZoomImage"] = false;
fadeTimer["ZoomImage"] = false;
}

document.getElementById("ZoomImage").style.webkitBoxShadow = shadowSettings + '0.0)';
}

// ..and the close box...

document.getElementById("ZoomClose").style.visibility = "hidden";

// ...and the caption if necessary!

if (includeCaption && document.getElementById(zoomCaption).innerHTML != "") {
// fadeElementSetup(zoomCaptionDiv, 100, 0, 5, 1);
document.getElementById(zoomCaptionDiv).style.visibility = "hidden";
}

// Now, figure out where we came from, to get back there

startX = parseInt(zoomdiv.style.left);
startY = parseInt(zoomdiv.style.top);
startW = zoomimg.width;
startH = zoomimg.height;
zoomChangeX = zoomOrigX[theID] - startX;
zoomChangeY = zoomOrigY[theID] - startY;
zoomChangeW = zoomOrigW[theID] - startW;
zoomChangeH = zoomOrigH[theID] - startH;

// Setup Zoom

zoomCurrent = 0;

// Setup Fade with Zoom, If Requested

if (includeFade == 1) {
fadeCurrent = 0;
fadeAmount = (100 - 0) / tempSteps;
} else {
fadeAmount = 0;
}

// Do It!

zoomTimer[theID] = setInterval("zoomElement('"+zoomID+"', '"+theID+"', "+zoomCurrent+", "+startW+", "+zoomChangeW+", "+startH+", "+zoomChangeH+", "+startX+", "+zoomChangeX+", "+startY+", "+zoomChangeY+", "+tempSteps+", "+includeFade+", "+fadeAmount+", 'zoomDone(zoomID, theID)')", zoomTime);
zoomActive[theID] = true;
}
}

// Finished Zooming In

function zoomDoneIn(zoomdiv, theID) {

// Note that it's open
  
zoomOpen = true;
zoomdiv = document.getElementById(zoomdiv);

// Position the table shadow behind the zoomed in image, and display it

if (document.getElementById("ShadowBox")) {

setOpacity(0, "ShadowBox");
shadowdiv = document.getElementById("ShadowBox");

shadowLeft = parseInt(zoomdiv.style.left) - 13;
shadowTop = parseInt(zoomdiv.style.top) - 8;
shadowWidth = zoomdiv.offsetWidth + 26;
shadowHeight = zoomdiv.offsetHeight + 26; 

shadowdiv.style.width = shadowWidth + 'px';
shadowdiv.style.height = shadowHeight + 'px';
shadowdiv.style.left = shadowLeft + 'px';
shadowdiv.style.top = shadowTop + 'px';

document.getElementById("ShadowBox").style.visibility = "visible";
fadeElementSetup("ShadowBox", 0, 100, 5);

} else if (! browserIsIE) {
// Or, do a fade of the modern shadow
fadeElementSetup("ZoomImage", 0, .8, 5, 0, "shadow");
}

// Position and display the CAPTION, if existing
  
if (includeCaption && document.getElementById(zoomCaption).innerHTML != "") {
// setOpacity(0, zoomCaptionDiv);
zoomcapd = document.getElementById(zoomCaptionDiv);
zoomcapd.style.top = parseInt(zoomdiv.style.top) + (zoomdiv.offsetHeight + 15) + 'px';
zoomcapd.style.left = (myWidth / 2) - (zoomcapd.offsetWidth / 2) + 'px';
zoomcapd.style.visibility = "visible";
// fadeElementSetup(zoomCaptionDiv, 0, 100, 5);
}   

// Display Close Box (fade it if it's not IE)

if (!browserIsIE) setOpacity(0, "ZoomClose");
document.getElementById("ZoomClose").style.visibility = "visible";
if (!browserIsIE) fadeElementSetup("ZoomClose", 0, 100, 5);

// Get keypresses
document.onkeypress = getKey;

}

// Finished Zooming Out

function zoomDone(zoomdiv, theID) {

// No longer open
  
zoomOpen = false;

// Clear stuff out, clean up

zoomOrigH[theID] = "";
zoomOrigW[theID] = "";
document.getElementById(zoomdiv).style.visibility = "hidden";
zoomActive[theID] == false;

// Stop getting keypresses

document.onkeypress = null;

}

// Actually zoom the element

function zoomElement(zoomdiv, theID, zoomCurrent, zoomStartW, zoomChangeW, zoomStartH, zoomChangeH, zoomStartX, zoomChangeX, zoomStartY, zoomChangeY, zoomSteps, includeFade, fadeAmount, execWhenDone) {

// console.log("Zooming Step #"+zoomCurrent+ " of "+zoomSteps+" (zoom " + zoomStartW + "/" + zoomChangeW + ") (zoom " + zoomStartH + "/" + zoomChangeH + ")  (zoom " + zoomStartX + "/" + zoomChangeX + ")  (zoom " + zoomStartY + "/" + zoomChangeY + ") Fade: "+fadeAmount);
    
// Test if we're done, or if we continue

if (zoomCurrent == (zoomSteps + 1)) {
zoomActive[theID] = false;
clearInterval(zoomTimer[theID]);

if (execWhenDone != "") {
eval(execWhenDone);
}
} else {

// Do the Fade!
  
if (includeFade == 1) {
if (fadeAmount < 0) {
setOpacity(Math.abs(zoomCurrent * fadeAmount), zoomdiv);
} else {
setOpacity(100 - (zoomCurrent * fadeAmount), zoomdiv);
}
}
  
// Calculate this step's difference, and move it!

moveW = cubicInOut(zoomCurrent, zoomStartW, zoomChangeW, zoomSteps);
moveH = cubicInOut(zoomCurrent, zoomStartH, zoomChangeH, zoomSteps);
moveX = cubicInOut(zoomCurrent, zoomStartX, zoomChangeX, zoomSteps);
moveY = cubicInOut(zoomCurrent, zoomStartY, zoomChangeY, zoomSteps);

document.getElementById(zoomdiv).style.left = moveX + 'px';
document.getElementById(zoomdiv).style.top = moveY + 'px';
zoomimg.style.width = moveW + 'px';
zoomimg.style.height = moveH + 'px';

zoomCurrent++;

clearInterval(zoomTimer[theID]);
zoomTimer[theID] = setInterval("zoomElement('"+zoomdiv+"', '"+theID+"', "+zoomCurrent+", "+zoomStartW+", "+zoomChangeW+", "+zoomStartH+", "+zoomChangeH+", "+zoomStartX+", "+zoomChangeX+", "+zoomStartY+", "+zoomChangeY+", "+zoomSteps+", "+includeFade+", "+fadeAmount+", '"+execWhenDone+"')", zoomTime);
}
}

// Zoom Utility: Get Key Press when image is open, and act accordingly

function getKey(evt) {
if (! evt) {
theKey = event.keyCode;
} else {
theKey = evt.keyCode;
}

if (theKey == 27) { // ESC
zoomOut(this, evt);
}
}

////////////////////////////
//
// FADE Functions
//

function fadeOut(elem) {
if (elem.id) {
fadeElementSetup(elem.id, 100, 0, 10);
}
}

function fadeIn(elem) {
if (elem.id) {
fadeElementSetup(elem.id, 0, 100, 10);
}
}

// 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();

function fadeElementSetup(theID, fdStart, fdEnd, fdSteps, fdClose, fdMode) {

// alert("Fading: "+theID+" Steps: "+fdSteps+" Mode: "+fdMode);

if (fadeActive[theID] == true) {
// Already animating, queue up this command
fadeQueue[theID] = new Array(theID, fdStart, fdEnd, fdSteps);
} else {
fadeSteps = fdSteps;
fadeCurrent = 0;
fadeAmount = (fdStart - fdEnd) / fadeSteps;
fadeTimer[theID] = setInterval("fadeElement('"+theID+"', '"+fadeCurrent+"', '"+fadeAmount+"', '"+fadeSteps+"')", 15);
fadeActive[theID] = true;
fadeMode[theID] = fdMode;

if (fdClose == 1) {
fadeClose[theID] = true;
} else {
fadeClose[theID] = false;
}
}
}

// Fade: Do the fade. This function will call itself, modifying the parameters, so
// many instances can run concurrently. Can fade using opacity, or fade using a box-shadow.

function fadeElement(theID, fadeCurrent, fadeAmount, fadeSteps) {

if (fadeCurrent == fadeSteps) {

// We're done, so clear.

clearInterval(fadeTimer[theID]);
fadeActive[theID] = false;
fadeTimer[theID] = false;

// Should we close it once the fade is complete?

if (fadeClose[theID] == true) {
document.getElementById(theID).style.visibility = "hidden";
}

// Hang on.. did a command queue while we were working? If so, make it happen now

if (fadeQueue[theID] && fadeQueue[theID] != false) {
fadeElementSetup(fadeQueue[theID][0], fadeQueue[theID][1], fadeQueue[theID][2], fadeQueue[theID][3]);
fadeQueue[theID] = false;
}
} else {

fadeCurrent++;

// Now actually do the fade adjustment.

if (fadeMode[theID] == "shadow") {

// Do a special fade on the webkit-box-shadow of the object

if (fadeAmount < 0) {
document.getElementById(theID).style.webkitBoxShadow = shadowSettings + (Math.abs(fadeCurrent * fadeAmount)) + ')';
} else {
document.getElementById(theID).style.webkitBoxShadow = shadowSettings + (100 - (fadeCurrent * fadeAmount)) + ')';
}

} else {

// Set the opacity depending on if we're adding or subtracting (pos or neg)

if (fadeAmount < 0) {
setOpacity(Math.abs(fadeCurrent * fadeAmount), theID);
} else {
setOpacity(100 - (fadeCurrent * fadeAmount), theID);
}
}

// Keep going, and send myself the updated variables
clearInterval(fadeTimer[theID]);
fadeTimer[theID] = setInterval("fadeElement('"+theID+"', '"+fadeCurrent+"', '"+fadeAmount+"', '"+fadeSteps+"')", 15);
}
}

////////////////////////////
//
// 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 the size of the window, and set myWidth and myHeight
// Credit to quirksmode.org

function getSize() {

// Window Size

if (self.innerHeight) { // Everyone but IE
myWidth = window.innerWidth;
myHeight = window.innerHeight;
myScroll = window.pageYOffset;
} else if (document.documentElement && document.documentElement.clientHeight) { // IE6 Strict
myWidth = document.documentElement.clientWidth;
myHeight = document.documentElement.clientHeight;
myScroll = document.documentElement.scrollTop;
} else if (document.body) { // Other IE, such as IE7
myWidth = document.body.clientWidth;
myHeight = document.body.clientHeight;
myScroll = document.body.scrollTop;
}

// Page size w/offscreen areas

if (window.innerHeight && window.scrollMaxY) {
myScrollWidth = document.body.scrollWidth;
myScrollHeight = window.innerHeight + window.scrollMaxY;
} else if (document.body.scrollHeight > document.body.offsetHeight) { // All but Explorer Mac
myScrollWidth = document.body.scrollWidth;
myScrollHeight = document.body.scrollHeight;
} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
myScrollWidth = document.body.offsetWidth;
myScrollHeight = document.body.offsetHeight;
}
}

// 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);
}

function insertZoomHTML() {


var inBody = document.getElementsByTagName("body").item(0);


var inSpinbox = document.createElement("div");
inSpinbox.setAttribute('id', 'ZoomSpin');
inSpinbox.style.position = 'absolute';
inSpinbox.style.left = '10px';
inSpinbox.style.top = '10px';
inSpinbox.style.visibility = 'hidden';
inSpinbox.style.zIndex = '525';
inBody.insertBefore(inSpinbox, inBody.firstChild);

var inSpinImage = document.createElement("img");
inSpinImage.setAttribute('id', 'SpinImage');
inSpinImage.setAttribute('src', zoomImagesURI+'zoom-spin-1.png');
inSpinbox.appendChild(inSpinImage);


var inZoombox = document.createElement("div");
inZoombox.setAttribute('id', 'ZoomBox');

inZoombox.style.position = 'absolute'; 
inZoombox.style.left = '10px';
inZoombox.style.top = '10px';
inZoombox.style.visibility = 'hidden';
inZoombox.style.zIndex = '499';

inBody.insertBefore(inZoombox, inSpinbox.nextSibling);

var inImage1 = document.createElement("img");
inImage1.onclick = function (event) { zoomOut(this, event); return false; };
inImage1.setAttribute('src',zoomImagesURI+'spacer.gif');
inImage1.setAttribute('id','ZoomImage');
inImage1.setAttribute('border', '0');

inImage1.setAttribute('style', '-webkit-box-shadow: '+shadowSettings+'0.0)');
inImage1.style.display = 'block';
inImage1.style.width = '10px';
inImage1.style.height = '10px';
inImage1.style.cursor = 'pointer'; // -webkit-zoom-out?
inZoombox.appendChild(inImage1);

var inClosebox = document.createElement("div");
inClosebox.setAttribute('id', 'ZoomClose');
inClosebox.style.position = 'absolute';

if (browserIsIE) {
inClosebox.style.left = '-1px';
inClosebox.style.top = '0px';
} else {
inClosebox.style.left = '-15px';
inClosebox.style.top = '-15px';
}

inClosebox.style.visibility = 'hidden';
inZoombox.appendChild(inClosebox);

var inImage2 = document.createElement("img");
inImage2.onclick = function (event) { zoomOut(this, event); return false; };
inImage2.setAttribute('src',zoomImagesURI+'closebox.png');
inImage2.setAttribute('width','30');
inImage2.setAttribute('height','30');
inImage2.setAttribute('border','0');
inImage2.style.cursor = 'pointer';
inClosebox.appendChild(inImage2);

if (! document.getElementById('ZoomImage').style.webkitBoxShadow && ! browserIsIE) {

var inFixedBox = document.createElement("div");
inFixedBox.setAttribute('id', 'ShadowBox');
inFixedBox.style.position = 'absolute'; 
inFixedBox.style.left = '50px';
inFixedBox.style.top = '50px';
inFixedBox.style.width = '100px';
inFixedBox.style.height = '100px';
inFixedBox.style.visibility = 'hidden';
inFixedBox.style.zIndex = '498';
inBody.insertBefore(inFixedBox, inZoombox.nextSibling);


var inShadowTable = document.createElement("table");
inShadowTable.setAttribute('border', '0');
inShadowTable.setAttribute('width', '100%');
inShadowTable.setAttribute('height', '100%');
inShadowTable.setAttribute('cellpadding', '0');
inShadowTable.setAttribute('cellspacing', '0');
inFixedBox.appendChild(inShadowTable);

var inShadowTbody = document.createElement("tbody");
inShadowTable.appendChild(inShadowTbody);

var inRow1 = document.createElement("tr");
inRow1.style.height = '25px';
inShadowTbody.appendChild(inRow1);

var inCol1 = document.createElement("td");
inCol1.style.width = '27px';
inRow1.appendChild(inCol1);  
var inShadowImg1 = document.createElement("img");
inShadowImg1.setAttribute('src', zoomImagesURI+'zoom-shadow1.png');
inShadowImg1.setAttribute('width', '27');
inShadowImg1.setAttribute('height', '25');
inShadowImg1.style.display = 'block';
inCol1.appendChild(inShadowImg1);

var inCol2 = document.createElement("td");
inCol2.setAttribute('background', zoomImagesURI+'zoom-shadow2.png');
inRow1.appendChild(inCol2);
// inCol2.innerHTML = '<img src=';
var inSpacer1 = document.createElement("img");
inSpacer1.setAttribute('src',zoomImagesURI+'spacer.gif');
inSpacer1.setAttribute('height', '1');
inSpacer1.setAttribute('width', '1');
inSpacer1.style.display = 'block';
inCol2.appendChild(inSpacer1);

var inCol3 = document.createElement("td");
inCol3.style.width = '27px';
inRow1.appendChild(inCol3);  
var inShadowImg3 = document.createElement("img");
inShadowImg3.setAttribute('src', zoomImagesURI+'zoom-shadow3.png');
inShadowImg3.setAttribute('width', '27');
inShadowImg3.setAttribute('height', '25');
inShadowImg3.style.display = 'block';
inCol3.appendChild(inShadowImg3);

inRow2 = document.createElement("tr");
inShadowTbody.appendChild(inRow2);

var inCol4 = document.createElement("td");
inCol4.setAttribute('background', zoomImagesURI+'zoom-shadow4.png');
inRow2.appendChild(inCol4);
// inCol4.innerHTML = '&nbsp;';
var inSpacer2 = document.createElement("img");
inSpacer2.setAttribute('src',zoomImagesURI+'spacer.gif');
inSpacer2.setAttribute('height', '1');
inSpacer2.setAttribute('width', '1');
inSpacer2.style.display = 'block';
inCol4.appendChild(inSpacer2);

var inCol5 = document.createElement("td");
inCol5.setAttribute('bgcolor', '#ffffff');
inRow2.appendChild(inCol5);
// inCol5.innerHTML = '&nbsp;';
var inSpacer3 = document.createElement("img");
inSpacer3.setAttribute('src',zoomImagesURI+'spacer.gif');
inSpacer3.setAttribute('height', '1');
inSpacer3.setAttribute('width', '1');
inSpacer3.style.display = 'block';
inCol5.appendChild(inSpacer3);

var inCol6 = document.createElement("td");
inCol6.setAttribute('background', zoomImagesURI+'zoom-shadow5.png');
inRow2.appendChild(inCol6);
var inSpacer4 = document.createElement("img");
inSpacer4.setAttribute('src',zoomImagesURI+'spacer.gif');
inSpacer4.setAttribute('height', '1');
inSpacer4.setAttribute('width', '1');
inSpacer4.style.display = 'block';
inCol6.appendChild(inSpacer4);

var inRow3 = document.createElement("tr");
inRow3.style.height = '26px';
inShadowTbody.appendChild(inRow3);

var inCol7 = document.createElement("td");
inCol7.style.width = '27px';
inRow3.appendChild(inCol7);
var inShadowImg7 = document.createElement("img");
inShadowImg7.setAttribute('src', zoomImagesURI+'zoom-shadow6.png');
inShadowImg7.setAttribute('width', '27');
inShadowImg7.setAttribute('height', '26');
inShadowImg7.style.display = 'block';
inCol7.appendChild(inShadowImg7);

var inCol8 = document.createElement("td");
inCol8.setAttribute('background', zoomImagesURI+'zoom-shadow7.png');
inRow3.appendChild(inCol8);  
// inCol8.innerHTML = '&nbsp;';
var inSpacer5 = document.createElement("img");
inSpacer5.setAttribute('src',zoomImagesURI+'spacer.gif');
inSpacer5.setAttribute('height', '1');
inSpacer5.setAttribute('width', '1');
inSpacer5.style.display = 'block';
inCol8.appendChild(inSpacer5);

var inCol9 = document.createElement("td");
inCol9.style.width = '27px';
inRow3.appendChild(inCol9);  
var inShadowImg9 = document.createElement("img");
inShadowImg9.setAttribute('src', zoomImagesURI+'zoom-shadow8.png');
inShadowImg9.setAttribute('width', '27');
inShadowImg9.setAttribute('height', '26');
inShadowImg9.style.display = 'block';
inCol9.appendChild(inShadowImg9);
}

if (includeCaption) {

var inCapDiv = document.createElement("div");
inCapDiv.setAttribute('id', 'ZoomCapDiv');
inCapDiv.style.position = 'absolute'; 
inCapDiv.style.visibility = 'hidden';
inCapDiv.style.marginLeft = 'auto';
inCapDiv.style.marginRight = 'auto';
inCapDiv.style.zIndex = '501';

inBody.insertBefore(inCapDiv, inZoombox.nextSibling);

var inCapTable = document.createElement("table");
inCapTable.setAttribute('border', '0');
inCapTable.setAttribute('cellPadding', '0');
inCapTable.setAttribute('cellSpacing', '0');
inCapDiv.appendChild(inCapTable);

var inTbody = document.createElement("tbody");
inCapTable.appendChild(inTbody);

var inCapRow1 = document.createElement("tr");
inTbody.appendChild(inCapRow1);

var inCapCol1 = document.createElement("td");
inCapCol1.setAttribute('align', 'right');
inCapRow1.appendChild(inCapCol1);
var inCapImg1 = document.createElement("img");
inCapImg1.setAttribute('src', zoomImagesURI+'zoom-caption-l.png');
inCapImg1.setAttribute('width', '13');
inCapImg1.setAttribute('height', '26');
inCapImg1.style.display = 'block';
inCapCol1.appendChild(inCapImg1);

var inCapCol2 = document.createElement("td");
inCapCol2.setAttribute('background', zoomImagesURI+'zoom-caption-fill.png');
inCapCol2.setAttribute('id', 'ZoomCaption');
inCapCol2.setAttribute('valign', 'middle');
inCapCol2.style.fontSize = '14px';
inCapCol2.style.fontFamily = 'Helvetica';
inCapCol2.style.fontWeight = 'bold';
inCapCol2.style.color = '#ffffff';
inCapCol2.style.textShadow = '0px 2px 4px #000000';
inCapCol2.style.whiteSpace = 'nowrap';
inCapRow1.appendChild(inCapCol2);

var inCapCol3 = document.createElement("td");
inCapRow1.appendChild(inCapCol3);
var inCapImg2 = document.createElement("img");
inCapImg2.setAttribute('src', zoomImagesURI+'zoom-caption-r.png');
inCapImg2.setAttribute('width', '13');
inCapImg2.setAttribute('height', '26');
inCapImg2.style.display = 'block';
inCapCol3.appendChild(inCapImg2);
}
}

setupZoom()
