var popup = null;
/* pop-up code still used by some of Michelle's pages */
function pic(url, wid, ht) {
var names = url.split("/");
var winwid = (wid > imgwin_maxwd ? imgwin_maxwd : wid) + 20;
var winht = (ht > imgwin_maxht ? imgwin_maxht : ht) + 20;
if ((popup == null) || popup.closed) {
props = "scrollbars=yes";
props += ",resizable=yes";
props += ",width=" + winwid;
props += ",height=" + winht;
popup = window.open("", "pic", props);
} else
popup.resizeTo(winwid, winht);
popup.document.open("text/html", "replace");
popup.document.write('\n');
popup.document.write('\n');
popup.document.write('' + names[names.length-1] + '\n');
popup.document.write('\n');
popup.document.write('\n');
popup.document.write(' ![' + names[names.length-1] + '](' + url + ' "' + names[names.length-1] + '")
\n');
popup.document.write('
\n');
popup.document.write('\n');
popup.document.close();
popup.focus();
return false;
}
function close_win() {
if (popup != null) {
if (!popup.closed)
popup.close();
popup = null;
}
}
/*
* Lightbox JS: Fullsize Image Overlays
* by Lokesh Dhakar - http://www.huddletogether.com
*
* For more information on this script, visit:
* http://huddletogether.com/projects/lightbox/
*
* Licensed under the Creative Commons Attribution 2.5 License
*
*
* (basically, do anything you want, just leave my name and link)
*
* Table of Contents
* -----------------
* Configuration
*
* Functions
* - getPageScroll()
* - getPageSize()
* - pause()
* - getKey()
* - listenKey()
* - showLightbox()
* - hideLightbox()
* - initLightbox()
* - addLoadEvent()
*
* Function Calls
* - addLoadEvent(initLightbox)
*
*/
/*
* Configuration
*
* If you would like to use a custom loading image or close button reference
* them in the next two lines.
*/
var loadingImage = '/loading.gif';
var closeButton = '/close.gif';
/*
* getPageScroll()
* Returns array with x,y page scroll values.
* Core code from - quirksmode.org
*/
function getPageScroll() {
var yScroll;
if (self.pageYOffset) {
yScroll = self.pageYOffset;
} else if (document.documentElement &&
document.documentElement.scrollTop) { // Explorer 6 Strict
yScroll = document.documentElement.scrollTop;
} else if (document.body) { // all other Explorers
yScroll = document.body.scrollTop;
}
arrayPageScroll = new Array('', yScroll)
return arrayPageScroll;
}
/*
* getPageSize()
* Returns array with page width, height and window width, height
* Core code from - quirksmode.org
* Edit for Firefox by pHaez
*/
function getPageSize() {
var xScroll, yScroll;
if (window.innerHeight && window.scrollMaxY) {
xScroll = document.body.scrollWidth;
yScroll = window.innerHeight + window.scrollMaxY;
} else if (document.body.scrollHeight > document.body.offsetHeight) {
// all but Explorer Mac
xScroll = document.body.scrollWidth;
yScroll = document.body.scrollHeight;
} else {
// Explorer Mac...would also work in Explorer 6 Strict,
// Mozilla and Safari
xScroll = document.body.offsetWidth;
yScroll = document.body.offsetHeight;
}
var windowWidth, windowHeight;
if (self.innerHeight) {
// all except Explorer
windowWidth = self.innerWidth;
windowHeight = self.innerHeight;
} else if (document.documentElement &&
document.documentElement.clientHeight) {
// Explorer 6 Strict Mode
windowWidth = document.documentElement.clientWidth;
windowHeight = document.documentElement.clientHeight;
} else if (document.body) {
// other Explorers
windowWidth = document.body.clientWidth;
windowHeight = document.body.clientHeight;
}
// for small pages with total height less then height of the viewport
if (yScroll < windowHeight)
pageHeight = windowHeight;
else
pageHeight = yScroll;
// for small pages with total width less then width of the viewport
if(xScroll < windowWidth)
pageWidth = windowWidth;
else
pageWidth = xScroll;
arrayPageSize = new Array(pageWidth, pageHeight,
windowWidth,windowHeight)
return arrayPageSize;
}
/*
* pause(numberMillis)
* Pauses code execution for specified time. Uses busy code, not good.
* Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
*/
function pause(numberMillis) {
var now = new Date();
var exitTime = now.getTime() + numberMillis;
while (true) {
now = new Date();
if (now.getTime() > exitTime)
return;
}
}
/*
* getKey(key)
* Gets keycode. If 'x' is pressed then it hides the lightbox.
*/
function getKey(e) {
if (e == null)
keycode = event.keyCode; // ie
else
keycode = e.which; // mozilla
key = String.fromCharCode(keycode).toLowerCase();
if (key == 'x')
hideLightbox();
}
/*
* listenKey()
*/
function listenKey () {
document.onkeypress = getKey;
}
/*
* showLightbox()
* Preloads images. Pleaces new image in lightbox then centers and displays.
*/
function showLightbox(objLink)
{
// prep objects
var objOverlay = document.getElementById('overlay');
var objLightbox = document.getElementById('lightbox');
var objCaption = document.getElementById('lightboxCaption');
var objImage = document.getElementById('lightboxImage');
var objLoadingImage = document.getElementById('loadingImage');
var objLightboxDetails = document.getElementById('lightboxDetails');
var arrayPageSize = getPageSize();
var arrayPageScroll = getPageScroll();
// center loadingImage if it exists
if (objLoadingImage) {
objLoadingImage.style.top =
(arrayPageScroll[1] +
((arrayPageSize[3] - 35 - objLoadingImage.height) / 2) +
'px');
objLoadingImage.style.left =
(((arrayPageSize[0] - 20 - objLoadingImage.width) / 2) +
'px');
objLoadingImage.style.display = 'block';
}
// set height of Overlay to take up whole page and show
objOverlay.style.height = (arrayPageSize[1] + 'px');
objOverlay.style.display = 'block';
// preload image
imgPreload = new Image();
imgPreload.onload=function() {
objImage.src = objLink.href;
/*
* center lightbox and make sure that the top and left
* values are not negative and the image placed outside the
* viewport
*/
var lightboxTop = arrayPageScroll[1] +
((arrayPageSize[3] - 35 - imgPreload.height) / 2);
var lightboxLeft =
((arrayPageSize[0] - 20 - imgPreload.width) / 2);
objLightbox.style.top =
(lightboxTop < 0) ? "0px" : lightboxTop + "px";
objLightbox.style.left =
(lightboxLeft < 0) ? "0px" : lightboxLeft + "px";
objLightboxDetails.style.width = imgPreload.width + 'px';
if (objLink.getAttribute('title')) {
objCaption.style.display = 'block';
//objCaption.style.width = imgPreload.width + 'px';
objCaption.innerHTML = objLink.getAttribute('title');
} else
objCaption.style.display = 'none';
/*
* A small pause between the image loading and displaying is
* required with IE, this prevents the previous image
* displaying for a short burst causing flicker.
*/
if (navigator.appVersion.indexOf("MSIE") !=-1 )
pause(250);
if (objLoadingImage)
objLoadingImage.style.display = 'none';
// Hide select boxes as they will 'peek' through the image in IE
selects = document.getElementsByTagName("select");
for (i = 0; i != selects.length; i++)
selects[i].style.visibility = "hidden";
objLightbox.style.display = 'block';
/*
* After image is loaded, update the overlay height as the
* new image might have increased the overall page height.
*/
arrayPageSize = getPageSize();
objOverlay.style.height = (arrayPageSize[1] + 'px');
// Check for 'x' keypress
listenKey();
return false;
}
imgPreload.src = objLink.href;
}
/*
* hideLightbox()
*/
function hideLightbox()
{
// get objects
objOverlay = document.getElementById('overlay');
objLightbox = document.getElementById('lightbox');
// hide lightbox and overlay
objOverlay.style.display = 'none';
objLightbox.style.display = 'none';
// make select boxes visible
selects = document.getElementsByTagName("select");
for (i = 0; i != selects.length; i++)
selects[i].style.visibility = "visible";
// disable keypress listener
document.onkeypress = '';
}
/*
* initLightbox()
*
* Function runs on window load, going through link tags looking for
* rel="lightbox". These links receive onclick events that enable the
* lightbox display for their targets. The function also inserts html markup
* at the top of the page which will be used as a container for the overlay
* pattern and the inline image.
*/
function initLightbox()
{
if (!document.getElementsByTagName)
return;
var anchors = document.getElementsByTagName("a");
// loop through all anchor tags
for (var i=0; i < anchors.length; i++) {
var anchor = anchors[i];
if (anchor.getAttribute("href") &&
(anchor.getAttribute("rel") == "lightbox"))
anchor.onclick =
function() {
showLightbox(this);
return false;
}
}
/*
* the rest of this code inserts html at the top of the page that
* looks like this:
*
*
*
* ![]()
*