/*Created By: Chris CampbellWebsite: http://particletree.comDate: 2/1/2006Inspired 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;/*-----------------------------------------------------------------------------------------------*///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"	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, false);Event.observe(window, 'load', getBrowserInfo, false);Event.observe(window, 'unload', Event.unloadCache, false);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 (browser == 'Internet Explorer') {			this.getScroll();			this.prepareIE('100%', 'hidden');			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.style.overflow = overflow;		htm = document.getElementsByTagName('html')[0];		htm.style.height = height;		htm.style.overflow = overflow;	},// 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;		}	},	setScroll: function(x, y) {		window.scrollTo(x, y);	},	displayLightbox: function(display) {		$('overlay').style.display = display;		$('lightbox').style.display = display;		if (display != 'none') this.loadInfo();	},// Begin Ajax request based off of the href of the clicked linked	loadInfo: function() {		var myAjax = new Ajax.Request(				this.content,		{method: 'post', parameters: "", onComplete: this.processInfo.bindAsEventListener(this)}				);	},// Display Ajax response	processInfo: function(response) {		info = "<div id='lbContent'>" + response.responseText + "</div>";		new Insertion.Before($('lbLoadMessage'), info)		$('lightbox').className = "done";		this.actions();	},// Search through new links within the lightbox, and attach click event	actions: function() {		lbActions = document.getElementsByClassName('lbAction');		for (i = 0; i < lbActions.length; i++) {			Event.observe(lbActions[i], 'click', this[lbActions[i].rel].bindAsEventListener(this), false);			lbActions[i].onclick = function() {				return false;			};		}	},// Example of creating your own functionality once lightbox is initiated	insert: function(e) {		link = Event.element(e).parentNode;		Element.remove($('lbContent'));		var myAjax = new Ajax.Request(				link.href,		{method: 'post', parameters: "", onComplete: this.processInfo.bindAsEventListener(this)}				);	},// Example of creating your own functionality once lightbox is initiated	deactivate: function() {		Element.remove($('lbContent'));		if (browser == "Internet Explorer") {			this.setScroll(0, this.yPos);			this.prepareIE("auto", "auto");			this.hideSelects("visible");		}		this.displayLightbox("none");	}}/*-----------------------------------------------------------------------------------------------*/// Onload, make all links that need to trigger a lightbox activefunction initialize() {	addLightboxMarkup();	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 = '<div id="lbLoadMessage">' +				   '<p>Loading......</p>' +				   '</div>';	bod.appendChild(overlay);	bod.appendChild(lb);}