/*
	Modal Dialog Box v1.00
	by Diego Noriega - http://www.lokeshdhakar.com
	Last Modification: 25/01/2009
	
	Requires: prototype.js 1.6, effects.js 1.8


	Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
		- Free for use in both personal and commercial projects
		- Attribution requires leaving author name, author link, and the license info intact.
		
		Thanks: Justin Lyric, Victor Stanciu, the PrototypeJS and the Scriptaculo guys for ideas, libs, and snippets.
*/

//
//	Additional methods for Element added by SU, Couloir
//	- Further additions by Lokesh Dhakar (huddletogether.com)
//
Object.extend(Element, {
	getWidth: function(element) {
		element = $(element);
		return element.offsetWidth; 
	},
	setWidth: function(element,w) {
		element = $(element);
		element.style.width = w +"px";
	},
	setHeight: function(element,h) {
		element = $(element);
		element.style.height = h +"px";
	},
	setTop: function(element,t) {
		element = $(element);
		element.style.top = t +"px";
	},
	setLeft: function(element,l) {
		element = $(element);
		element.style.left = l +"px";
	},
	setSrc: function(element,src) {
		element = $(element);
		element.src = src; 
	},
	setHref: function(element,href) {
		element = $(element);
		element.href = href; 
	},
	setInnerHTML: function(element,content) {
		element = $(element);
		element.innerHTML = content;
	}
});


var ModalDialogBox = Class.create({

//
// Global variables
//
	myMDB: null,

initialize: function(welcome, message, options){
	
	this.options = Object.extend({
			overlayOpacity:			0.8,
			overlayDuration:		0.2
			}, options || {});

	myMDB = this;
	
	var objBody = document.getElementsByTagName("body").item(0);
	
	var objOverlay = document.createElement("div");
	objOverlay.setAttribute('id','MDBoverlay');
	objOverlay.style.display = 'none';
	objOverlay.onclick = function() { myMDB.end(); }
	objBody.appendChild(objOverlay);
	
	var objDialog = document.createElement("div");
	objDialog.setAttribute('id','ModalDialogBox');
	objDialog.style.display = 'none';
	objBody.appendChild(objDialog);
	
	if(location.host.substr(0,4)=="www.")
	{
		var host = location.host.substr(4,location.host.length-4); 
	}
	else
	{
		var host = location.host
	}
	
	objDialog.innerHTML +=
		"<div id=\"ModalDialogBoxTitle\"><p>" + welcome + "</p></div>" +
		"<div id=\"ModalDialogBoxBody\">" +
		"<p>" + message + "</p>" +
		"<div onClick=\"location.href='http://br."+host+"';\" class=\"li\" id=\"br\"><p>Brazil</p></div>" +
		"<div onClick=\"myMDB.end();\" class=\"li\" id=\"com\"><p>Int'l</p></div>" +
		"<div onClick=\"location.href='http://pe."+host+"';\" class=\"li\" id=\"pe\"><p>Peru</p></div>" +
		"</div>" +
		"<div><a id=\"ModalDialogBoxClose\" onClick=\"myMDB.end();\"><img src=\"images/lightbox/closelabel.gif\"></a></div>" ;
	
	myMDB.start();

},

start: function(){
	var arrayPageSize = getPageSize();
	Element.setWidth('MDBoverlay', arrayPageSize[0]);
	Element.setHeight('MDBoverlay', arrayPageSize[1]);
	new Effect.Appear('MDBoverlay', { duration: this.options.overlayDuration, from: 0.0, to: this.options.overlayOpacity });
	
	var objDialog = document.getElementById("ModalDialogBox");
	
	objDialog.style.visibility = 'hidden';
	Element.show('ModalDialogBox');
	
	var arrayPageScroll = getPageScroll();
	var MDBTop = arrayPageScroll[1] + ((arrayPageSize[3] - Element.getHeight("ModalDialogBox"))/ 2);
	
	var MDBLeft = arrayPageScroll[0] + ((arrayPageSize[2] - Element.getWidth("ModalDialogBox")) / 2);
	Element.setTop('ModalDialogBox', MDBTop);
	Element.setLeft('ModalDialogBox', MDBLeft);
	
	objDialog.style.visibility = 'visible';
},

end: function() {
	new Effect.Fade('MDBoverlay', { duration: this.options.overlayDuration});
	new Effect.Fade('ModalDialogBox', { duration: this.options.overlayDuration});
	
	var objBody = document.getElementsByTagName("body").item(0);
	var objOverlay = document.getElementById("MDBoverlay");
	objBody.removeChild(objOverlay);
	var objDialog = document.getElementById("ModalDialogBox");
	objBody.removeChild(objDialog);
}

});

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.com
//
function getPageScroll(){

	var xScroll, yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
		xScroll = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
		xScroll = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
		xScroll = document.body.scrollLeft;	
	}

	arrayPageScroll = new Array(xScroll,yScroll) 
	return arrayPageScroll;
}

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.com
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = window.innerWidth + window.scrollMaxX;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	
//	console.log(self.innerWidth);
//	console.log(document.documentElement.clientWidth);

	if (self.innerHeight) {	// all except Explorer
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// For small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

//	console.log("xScroll " + xScroll)
//	console.log("windowWidth " + windowWidth)

	// For small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = xScroll;		
	} else {
		pageWidth = windowWidth;
	}
//	console.log("pageWidth " + pageWidth)

	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}