/*
Created By: Chris Campbell
Website: http://particletree.com
Date: 2/1/2006
Inspired by the lightbox implementation found at http://www.huddletogether.com/projects/lightbox/
*/
/*-------------------------------GLOBAL VARIABLES------------------------------------*/
var detect = navigator.userAgent.toLowerCase();
var OS,browser,version,total,thestring;
var effectTimer;
var ypos;
var check;
var noCache;
var today = new Date();
noCache = today.getMonth() + 1 +"";
noCache += today.getDate();
noCache += today.getHours();
noCache += today.getMinutes();
noCache += today.getSeconds();
var windowFloatHeight;
var lightboxMarginFlag = 0;
/*-----------------------------------------------------------------------------------------------*/
//Browser detect script origionally created by Peter Paul Koch at http://www.quirksmode.org/
function getBrowserInfo() {
if (checkIt('konqueror')) {
browser = "Konqueror";
OS = "Linux";
}
else if (checkIt('safari')) browser = "Safari"
else if (checkIt('omniweb')) browser = "OmniWeb"
else if (checkIt('opera')) browser = "Opera"
else if (checkIt('webtv')) browser = "WebTV";
else if (checkIt('icab')) browser = "iCab"
else if (checkIt('msie')){
browser = "Internet Explorer";
version = detect.charAt(30);
if(version == 6){
browser = "Internet Explorer 6";
}else{
browser = "Internet Explorer";
}
}
else if (!checkIt('compatible')) {
browser = "Netscape Navigator"
version = detect.charAt(8);
}
else browser = "An unknown browser";
if (!version) version = detect.charAt(place + thestring.length);
if (!OS) {
if (checkIt('linux')) OS = "Linux";
else if (checkIt('x11')) OS = "Unix";
else if (checkIt('mac')) OS = "Mac"
else if (checkIt('win')) OS = "Windows"
else OS = "an unknown operating system";
}
}
function checkIt(string) {
place = detect.indexOf(string) + 1;
thestring = string;
return place;
}
/*-----------------------------------------------------------------------------------------------*/
var flag = 0;
var lightbox = Class.create();
lightbox.prototype = {
yPos : 0,
xPos : 0,
initialize: function(ctrl) {
this.content = ctrl.href;
Event.observe(ctrl, 'click', this.activate.bindAsEventListener(this), false);
ctrl.onclick = function(){return false;};
},
// Turn everything on - mainly the IE fixes
activate: function(){
if(flag == 0){
flag = 1;
getBrowserInfo();
if (browserCheck.test(browser)){
windowFloatHeight = document.documentElement.clientHeight;
} else {
windowFloatHeight = window.innerHeight;
}
if(windowFloatHeight < 610){
$("lightbox").style.margin = "-"+318+"px 0 0 -300px";
if (browser == 'Internet Explorer 6'){
this.getScroll();
$("lightbox").style.margin = ypos - 315+"px 0 0 -300px";
$("overlay").style.top = ypos - 1000 +"px";
$("overlay").style.height = 3000 +"px";
this.prepareIE('100%', 'yes');
//this.setScroll(0,0);
this.hideSelects('hidden');
}
lightboxMarginFlag = 1;
}else{
if (browser == 'Internet Explorer 6'){
this.getScroll();
$("lightbox").style.margin = ypos - 300+"px 0 0 -300px";
$("overlay").style.top = ypos - 1000 +"px";
$("overlay").style.height = 3000 +"px";
this.prepareIE('100%', 'yes');
//this.setScroll(0,0);
this.hideSelects('hidden');
}
}
this.displayLightbox("block");
}
},
// Ie requires height to 100% and overflow hidden or else you can scroll down past the lightbox
prepareIE: function(height, overflow){
bod = document.getElementsByTagName('body')[0];
bod.style.height = height;
bod.scroll = overflow;
htm = document.getElementsByTagName('html')[0];
htm.style.height = height;
},
// In IE, select elements hover on top of the lightbox
hideSelects: function(visibility){
selects = document.getElementsByTagName('select');
for(i = 0; i < selects.length; i++) {
selects[i].style.visibility = visibility;
}
},
// Taken from lightbox implementation found at http://www.huddletogether.com/projects/lightbox/
getScroll: function(){
if (self.pageYOffset) {
this.yPos = self.pageYOffset;
} else if (document.documentElement && document.documentElement.scrollTop){
this.yPos = document.documentElement.scrollTop;
} else if (document.body) {
this.yPos = document.body.scrollTop;
}
ypos = this.yPos;
},
setScroll: function(x, y){
window.scrollTo(x, y);
},
displayLightbox: function(display){
$('overlay').style.display = display;
$('lightbox').style.display = display;
if(display != 'none'){
this.loadInfo();
}
},
// Begin Ajax request based off of the href of the clicked linked
loadInfo: function() {
var myAjax = new Ajax.Request(
this.content,
{
method: "POST",
requestHeaders: ['If-Modified-Since','Wed, 15 Nov 1995 00:00:00 GMT'],
onComplete:this.processInfo.bindAsEventListener(this)
}
);
},
// Display Ajax response
processInfo: function(response){
$('lightbox').className = "loading";
new Effect.Fade("overlay", {
from:0,
to:0.5,
beforeStartInternal: function() {
$("overlay").style.display = "block";
},
afterFinishInternal: function() {
info = "" + response.responseText + "
";
$('lightbox').className = "done";
new Insertion.After($('lbLoadMessage'), info);
var height = Element.getHeight("lbContent");
var lightboxHeight = Element.getHeight("lightbox");
if(lightboxMarginFlag == 1 && lightboxHeight < 600){
$("lightbox").style.margin = "-"+300+"px 0 0 -300px";
getBrowserInfo();
if (browser == 'Internet Explorer 6'){
this.getScroll();
$("lightbox").style.margin = ypos - 300+"px 0 0 -300px";
}
lightboxMarginFlag = 0;
}
lightbox.prototype.actions();
initRollovers();
}
});
},
// Search through new links within the lightbox, and attach click event
actions: function(){
lbActions = document.getElementsByClassName('lbAction');
for(i = 0; i < lbActions.length; i++) {
Event.observe(lbActions[i], 'click', this[lbActions[i].rel].bindAsEventListener(this), false);
lbActions[i].onclick = function(){return false;};
}
check = "";
check = document.documentElement.scrollTop;
effectTimer = setInterval("moveScroll()", 10);
},
// Example of creating your own functionality once lightbox is initiated
insert: function(e){
link = Event.element(e).parentNode;
Element.remove($('lbContent'));
var myAjax = new Ajax.Request(
link.href+"?"+noCache,
{method: "POST", requestHeaders: ['If-Modified-Since','Wed, 15 Nov 1995 00:00:00 GMT'], onComplete: this.processInfo.bindAsEventListener(this)}
);
},
// Example of creating your own functionality once lightbox is initiated
deactivate: function(){
clearInterval(effectTimer);
check = "";
$("overlay").style.opacity = 0;
$("overlay").style.filter = "alpha(opacity=0)";
getBrowserInfo();
if (browser == "Internet Explorer 6"){
this.prepareIE('0%', 'yes');
this.hideSelects("none");
flag = 0;
Element.remove($('lbContent'));
this.displayLightbox("none");
}else{
flag = 0;
Element.remove($('lbContent'));
this.displayLightbox("none");
}
}
}
/*-----------------------------------------------------------------------------------------------*/
// Onload, make all links that need to trigger a lightbox active
function initialize(){
lbox = document.getElementsByClassName('lbOn');
for(i = 0; i < lbox.length; i++) {
valid = new lightbox(lbox[i]);
}
}
// Add in markup necessary to make this work. Basically two divs:
// Overlay holds the shadow
// Lightbox is the centered square that the content is put into.
function addLightboxMarkup() {
bod = document.getElementsByTagName('body')[0];
overlay = document.createElement('div');
overlay.id = 'overlay';
lb = document.createElement('div');
lb.id = 'lightbox';
lb.className = 'loading';
lb.innerHTML = '' +
'
' +
'