/*
Created By: Chris Campbell
Website: http://particletree.com
Date: 2/1/2006

Adapted By: Simon de Haan
Website: http://blog.eight.nl
Date: 21/2/2006

Inspired by the lightbox implementation found at http://www.huddletogether.com/projects/lightbox/
And the lightbox gone wild by ParticleTree at http://particletree.com/features/lightbox-gone-wild/

*/

/*-------------------------------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.rel;
		//Event.observe(ctrl, 'click', this.activate.bindAsEventListener(this), false);
		this.link = ctrl.href+"";
		if(this.link.indexOf("#siteContentLaunch") == -1 && this.content.indexOf("launchNow") == -1){
			Event.observe(ctrl, 'click', this.activate.bindAsEventListener(this), false);
		}else{
			this.activate(this);
		}
		ctrl.onclick = function(){return false;};

	},
	
	// Turn everything on - mainly the IE fixes
	activate: function(){
		if (browser == 'Internet Explorer'){
			this.getScroll();
			this.prepareIE('2000', 'scroll');
			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;
		if(this.link.indexOf("#siteContent") != -1){
			$('lightbox').style.display = display;
			if(display != 'none'){
				this.processStaticInfo($(this.content).innerHTML);
			}
			/*
			if(display != 'none'){
				if (browser == 'Internet Explorer'){
					$('overlay').style.display = "none";
				}
				
				//$(this.content).style.display = display;
				//this.actions();
			}
			*/
		}
		if(this.link.indexOf("#siteContent") == -1){
			$('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.link+"&a=1",
        {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();			
	},

	//Display box response
	processStaticInfo: function(responseText){
		//alert("text="+responseText.replace(/contactForm/g, "contactFormAjax"));
		info = "<div id='lbContent'>" + responseText.replace(/contactForm/g, "contactFormAjax")+ "</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(x = 0; x < lbActions.length; x++) {
			Event.observe(lbActions[x], 'click', this[lbActions[x].rel].bindAsEventListener(this), false);
			lbActions[x].onclick = function(){return false;};
		}

	},
	
	// Example of creating your own functionality once lightbox is initiated
	insert: function(e){
	   link = Event.element(e);
	   
	   if(!document.all && !link.href){link = Event.element(e).parentNode;}
	   formID = "";
	   if(link.href.indexOf("contact.php") != -1){formID = "contactFormAjax";}
	   var pars;
	   if($(formID)){pars = Form.serialize(formID);}
	   Element.remove($('lbContent'));
	   var myAjax = new Ajax.Request(
			  link.href+"&a=1",
			  {method: 'post', parameters: pars, 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 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">' +
						'<img src="images/ajax-loader.gif" border="0" alt="Loading Content...">' +
						  '</div>';
	bod.appendChild(overlay);
	bod.appendChild(lb);
}

function scrollHelmetsBack(target){
  new Effect.Move(target, { x: 350, y: 0, transition: Effect.Transitions.sinoidal });
} 

function scrollHelmetsForward(target){
  new Effect.Move(target, { x: -350, y: 0, transition: Effect.Transitions.sinoidal });
}