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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);
+} \ No newline at end of file