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|
// 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 = 'inc/img/fancyzoom/'; // 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);
}
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