/*##*/
/*# 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/ #*/



var detect = navigator.userAgent.toLowerCase();
var OS,browser,version,total,thestring;





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"
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;
}



Event.observe(window, 'load', initialize);
Event.observe(window, 'load', getBrowserInfo);

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;};
},


activate: function(){
if (browser == 'Internet Explorer'){
this.getScroll();
this.prepareIE('100%', 'hidden');
this.setScroll(0,0);
this.hideSelects('hidden');
}
this.displayLightbox("block");
},


prepareIE: function(height, overflow){
bod = document.getElementsByTagName('body')[0];
bod.style.height = height;
bod.style.overflow = overflow;

htm = document.getElementsByTagName('html')[0];
htm.style.height = height;
htm.style.overflow = overflow; 
},


hideSelects: function(visibility){
selects = document.getElementsByTagName('select');
for(i = 0; i < selects.length; i++) {
selects[i].style.visibility = visibility;
}
},


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;
}
},

setScroll: function(x, y){
window.scrollTo(x, y); 
},

displayLightbox: function(display){
$('overlay').style.display = display;
$('lightbox').style.display = display;
if(display != 'none') this.loadInfo();
},


loadInfo: function() {
var myAjax = new Ajax.Request(
this.content,
{method: 'post', parameters: "", onComplete: this.processInfo.bindAsEventListener(this)}
);

},


processInfo: function(response){
info = "<div id='lbContent'>" + response.responseText + "</div>";
$('lbLoadMessage').insert({before: info});
$('lightbox').className = "done"; 
this.actions();
},


actions: function(){
lbActions = $$('.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;};
}

},


insert: function(e){
link = Event.element(e).parentNode;
Element.remove($('lbContent'));

var myAjax = new Ajax.Request(
link.href,
{method: 'post', parameters: "", onComplete: this.processInfo.bindAsEventListener(this)}
);

},


deactivate: function(){
Element.remove($('lbContent'));

if (browser == "Internet Explorer"){
this.setScroll(0,this.yPos);
this.prepareIE("auto", "auto");
this.hideSelects("visible");
}

this.displayLightbox("none");
}
}




function initialize(){
addLightboxMarkup();
lbox = $$('.lbOn');
for(i = 0; i < lbox.length; i++) 
{
valid = new lightbox(lbox[i]);
}
}




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 = '<div id="lbLoadMessage">' +
'<p>Loading</p>' +
'</div>';
bod.appendChild(overlay);
bod.appendChild(lb);
}