/*
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/
*/

Event.observe(window, 'load', initialize, 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 (isIE){
			getScroll();
			 prepareIE('100%', 'hidden', 'hidden', 'none');
			//setScroll(0,0);
			//hideSelects('hidden');
		}
		this.displayLightbox("block");
	},

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

	// Begin Ajax request based off of the href of the clicked linked
	loadInfo: function() {
		var myAjax = new Ajax.Request(
        this.content,
        {method: 'get', parameters: "", onComplete: this.processInfo.bindAsEventListener(this)}
		);

	},

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

	// 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(){deactivateLB(); return false;};
		}

	}
}

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

// Onload, make all links that need to trigger a lightbox active
function initialize(){
	addLightboxMarkup();
}

function initLightbox(){
	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>Lade Infos...</p>' +
						  '</div>';
	bod.appendChild(overlay);
	bod.appendChild(lb);
}