/*
Original Code 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/

Re-written by: Jeremy Galanes
Date: October 12, 2006


*/

/*-------------------------------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');
		}
		document.getElementById("videoplayer").style.display = "none";  // I PUT THIS IN TO REMOVE THE FLASH VIDEO PLAYER!!!!! YAY JEREMY!
		document.getElementById("videoplayertrick").style.display = "block"; // show fake video player
		sIFR.rollback("h2");   // I PUT THIS IN TO REMOVE THE FLASH TEXT!!!!! YAY JEREMY!  see jeremy.js for more!
		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)}
	   );
	   	'overlay'.style.visibility = hidden;
	 new Effect.Appear('overlay', { duration: 0.2, from: 0.0, to: 0.8 });
	},
	
	// Example of creating your own functionality once lightbox is initiated
	//I turned this off to replace with my own which uses effects to display
	
//	deactivate: function(){
//		Element.remove($('lbContent'));
//		
//		if (browser == "Internet Explorer"){
//			this.setScroll(0,this.yPos);
//			this.prepareIE("auto", "auto");
//			this.hideSelects("visible");
//		}
//		
//		document.getElementById("videoplayer").style.visibility = "visible"; // I PUT THIS IN TO SHOW THE FLASH VIDEO PLAYER AGAIN!!!!! YAY JEREMY!
//		do_sIFR(); // I PUT THIS IN TO SHOW THE FLASH TEXT AGAIN!!!!! YAY JEREMY! see jeremy.js for more
//		
//		this.displayLightbox("none");    
//	}

	deactivate: function(){ 
	
		// new Effect.BlindUp('lightbox', {duration:.25, queue: 'front'});
		
		
		
		if (browser == "Internet Explorer"){
			
			Element.remove($('lbContent'));
			
			this.setScroll(0,this.yPos);
			this.prepareIE("auto", "auto");
			this.hideSelects("visible");
			
			document.getElementById("videoplayertrick").style.display = "none"; // fake video player is hidden again
			document.getElementById("videoplayer").style.display = "block"; // I PUT THIS IN TO SHOW THE FLASH VIDEO PLAYER AGAIN!!!!! YAY JEREMY!
			do_sIFR(); 
			
			this.displayLightbox("none"); 
		}
		else {
		
			new Effect.Parallel( [ new Effect.Fade('textbox', { sync: true } ) 
      							, new Effect.BlindUp('lightbox', { sync: true })
							],
							{ duration:.35, queue: 'front', fps: 40 }
			);
		
			new Effect.Fade('overlay', {duration:.05, queue: 'end', fps: 40, afterFinish: function(){  
		
					Element.remove($('lbContent'));
					document.getElementById("videoplayertrick").style.display = "none"; // fake video player is hidden again
					document.getElementById("videoplayer").style.display = "block"; // I PUT THIS IN TO SHOW THE FLASH VIDEO PLAYER AGAIN!!!!! YAY JEREMY!
					do_sIFR(); 
					this.displayLightbox("none"); 

			}});
		};
																											   
																											  																						   
	
	
	
	}//end deactivate


} //ends the class dealy

	
	function deactivate2(){
		Element.remove($('lbContent'));
		
		if (browser == "Internet Explorer"){
			this.setScroll(0,this.yPos);
			this.prepareIE("auto", "auto");
			this.hideSelects("visible");
		}
		
		document.getElementById("videoplayer").style.visibility = "visible"; // I PUT THIS IN TO SHOW THE FLASH VIDEO PLAYER AGAIN!!!!! YAY JEREMY!
		do_sIFR(); // I PUT THIS IN TO SHOW THE FLASH TEXT AGAIN!!!!! YAY JEREMY! see jeremy.js for more
		
	
	};

/*-----------------------------------------------------------------------------------------------*/

// Onload, make all links that need to trigger a lightbox active
function 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">' +
						  '<table cellpadding="0" cellspacing="0" border="0" height="100%" width="100%" align="center"><tr><td align="center" valign="middle"><img src="../images/loading.gif" /></td></tr></table>' +
						  '</div>';
	bod.appendChild(overlay);
	bod.appendChild(lb);
}