var _ERROR_MESSAGE = "Oops.. there was a problem with your request.<br /><br />" +
"Please try again.<br /><br />" +
"<em>Click anywhere to close.</em>"; // the error message displayed when the request has a problem
var _RESIZE_DURATION 		= 200; 		// Duration of height and width resizing (ms)
var _INITIAL_WIDTH			= 250;		// Initial width of the box (px)
var _INITIAL_HEIGHT			= 250;		// Initial height of the box (px)
var _CONTENTS_WIDTH 		= 500;		// Actual width of the box (px)
var _CONTENTS_HEIGHT		= 400;		// Actual height of the box (px)
var _DEF_CONTENTS_WIDTH		= 500;		// Default width of the box (px) - used for resetting when a different setting was used
var _DEF_CONTENTS_HEIGHT	= 400;		// Default height of the box (px) - used for resetting when a different setting was used
var _ANIMATE_CAPTION		= true;		// Enable/Disable caption animation
var _EVAL_SCRIPTS			= false;	// Option to evaluate scripts in the response text
var _EVAL_RESPONSE			= false;	// Option to evaluate the whole response text
var MOOdalBox = {

init: function (options) {

this.options = Object.extend({
resizeDuration: 	_RESIZE_DURATION,
initialWidth: 		_INITIAL_WIDTH,
initialHeight: 		_INITIAL_HEIGHT,
contentsWidth: 		_CONTENTS_WIDTH,
contentsHeight: 	_CONTENTS_HEIGHT,
defContentsWidth: 	_DEF_CONTENTS_WIDTH,
defContentsHeight: 	_DEF_CONTENTS_HEIGHT,
animateCaption: 	_ANIMATE_CAPTION,
evalScripts: 		_EVAL_SCRIPTS,
evalResponse: 		_EVAL_RESPONSE
}, options || {});

this.anchors = [];
$A($$('a')).each(function(el){
if(el.rel && el.href && el.rel.test('^moodalbox', 'i')) {
el.onclick = this.click.pass(el, this);
this.anchors.push(el);
}
}, this);

this.eventKeyDown = this.keyboardListener.bindWithEvent(this);
this.eventPosition = this.position.bind(this);

this.overlay = new Element('div').setProperty('id', 'mb_overlay').injectInside(document.body);
this.center = new Element('div').setProperty('id', 'mb_center').setStyles({width: this.options.initialWidth+'px', height: this.options.initialHeight+'px', marginLeft: '-'+(this.options.initialWidth/2)+'px', display: 'none'}).injectInside(document.body);
this.contents = new Element('div').setProperty('id', 'mb_contents').injectInside(this.center);
this.bottom = new Element('div').setProperty('id', 'mb_bottom').setStyle('display', 'none').injectInside(document.body);
this.closelink = new Element('a').setProperties({id: 'mb_close_link', href: '#'}).injectInside(this.bottom);
this.caption = new Element('div').setProperty('id', 'mb_caption').injectInside(this.bottom);
new Element('div').setStyle('clear', 'both').injectInside(this.bottom);

this.error = new Element('div').setProperty('id', 'mb_error').setHTML(_ERROR_MESSAGE);

this.closelink.onclick = this.overlay.onclick = this.close.bind(this);

var nextEffect = this.nextEffect.bind(this);
this.fx = {
overlay: 	this.overlay.effect('opacity', { duration: this.options.resizeDuration }).hide(),
resize: 	this.center.effects({ duration: this.options.resizeDuration, onComplete: nextEffect }),
contents: 	this.contents.effect('opacity', { duration: this.options.resizeDuration, onComplete: nextEffect }),
bottom: 	this.bottom.effects({ duration: this.options.resizeDuration, onComplete: nextEffect })
};

this.ajaxRequest = Class.empty;
},

click: function(link) {
return this.open (link.href, link.title, link.rel);
},
openlink: function(sLinkHref, sLinkTitle, sLinkRel) {
this.href = sLinkHref;
this.title = sLinkTitle;
this.rel = sLinkRel;
this.position();
this.setup(true);
this.top = Window.getScrollTop() + (Window.getHeight() / 15);
this.center.setStyles({top: this.top+'px', display: ''});
this.fx.overlay.custom(0.8);
return this.loadContents(sLinkHref);
},
opencontent: function(sContent, sLinkTitle, sLinkRel) {
this.href = 'http://www.chillx.com/';
this.title = sLinkTitle;
this.rel = sLinkRel;
this.position();
this.setup(true);
this.top = Window.getScrollTop() + (Window.getHeight() / 15);
this.center.setStyles({top: this.top+'px', display: ''});
this.fx.overlay.custom(0.8);
return this.loadStaticContents(sContent);
},
position: function() {
this.overlay.setStyles({top: Window.getScrollTop()+'px', height: Window.getHeight()+'px'});
},
setup: function(open) {
var elements = $A($$('object'));
elements.extend($$(window.ActiveXObject ? 'select' : 'embed'));
elements.each(function(el){ el.style.visibility = open ? 'hidden' : ''; });
var fn = open ? 'addEvent' : 'removeEvent';
window[fn]('scroll', this.eventPosition)[fn]('resize', this.eventPosition);
document[fn]('keydown', this.eventKeyDown);
this.step = 0;
},

loadContents: function() {
if(this.step) return false;
this.step = 1;

var aDim = this.rel.match(/[0-9]+/g);
this.options.contentsWidth = (aDim && (aDim[0] > 0)) ? aDim[0] : this.options.defContentsWidth;
this.options.contentsHeight = (aDim && (aDim[1] > 0)) ? aDim[1] : this.options.defContentsHeight;

this.bottom.setStyles({opacity: '0', height: '0px', display: 'none'});
this.center.className = 'mb_loading';

this.fx.contents.hide();

var nextEffect = this.nextEffect.bind(this);
var ajaxFailure = this.ajaxFailure.bind(this);
var ajaxOptions = {
method: 		'get',
update: 		this.contents,
evalScripts: 	this.options.evalScripts,
evalResponse: 	this.options.evalResponse,
onComplete: 	nextEffect,
onFailure: 		ajaxFailure
};
this.ajaxRequest = new Ajax(this.href, ajaxOptions).request();

return false;
},
loadStaticContents: function(sContent) {
if(this.step) return false;
this.step = 1;

var aDim = this.rel.match(/[0-9]+/g);
this.options.contentsWidth = (aDim && (aDim[0] > 0)) ? aDim[0] : this.options.defContentsWidth;
this.options.contentsHeight = (aDim && (aDim[1] > 0)) ? aDim[1] : this.options.defContentsHeight;

this.bottom.setStyles({opacity: '0', height: '0px', display: 'none'});
this.center.className = 'mb_loading';

this.fx.contents.hide();

this.contents.setHTML(sContent);
this.nextEffect();

return false;
},

ajaxFailure: function (){
this.contents.setHTML('');
this.error.clone().injectInside(this.contents);
this.nextEffect();
this.center.setStyle('cursor', 'pointer');
this.bottom.setStyle('cursor', 'pointer');
this.center.onclick = this.bottom.onclick = this.close.bind(this);
},

nextEffect: function() {
switch(this.step++) {
case 1:
this.center.className = '';
this.center.setStyle('cursor', 'default');
this.bottom.setStyle('cursor', 'default');
this.center.onclick = this.bottom.onclick = '';
this.caption.setHTML(this.title);

this.contents.setStyles ({width: this.options.contentsWidth + "px", height: this.options.contentsHeight + "px"});
if(this.center.clientHeight != this.contents.offsetHeight) {
this.fx.resize.custom({height: [this.center.clientHeight, this.contents.offsetHeight]});
break;
}
this.step++;

case 2:
if(this.center.clientWidth != this.contents.offsetWidth) {
this.fx.resize.custom({width: [this.center.clientWidth, this.contents.offsetWidth], marginLeft: [-this.center.clientWidth/2, -this.contents.offsetWidth/2]});
break;
}
this.step++;

case 3:
this.bottom.setStyles({top: (this.top + this.center.clientHeight)+'px', width: this.contents.style.width, marginLeft: this.center.style.marginLeft, display: ''});
this.fx.contents.custom(0,1);
break;

case 4:
if(this.options.animateCaption) {
this.fx.bottom.custom({opacity: [0, 1], height: [0, this.bottom.scrollHeight]});
break;
}
this.bottom.setStyles({opacity: '1', height: this.bottom.scrollHeight+'px'});
case 5:
this.step = 0;
}
},


keyboardListener: function(event) {
if ((event.control && event.key == 'w') || (event.control && event.key == 'x') || (event.key == 'esc') || (event.key == 'enter')) {
this.close();
event.stop();
}
},

close: function() {
if(this.step < 0) return;
this.step = -1;
for(var f in this.fx) this.fx[f].clearTimer();
this.center.style.display = this.bottom.style.display = 'none';
this.center.className = 'mb_loading';
this.fx.overlay.chain(this.setup.pass(false, this)).custom(0);
return false;
}

};
Window.onDomReady(MOOdalBox.init.bind(MOOdalBox));