var animate = true;
var resizeSpeed = 7;
var overlayOpacity = 0.6;
var borderSize = 10;

if(animate == true){
	overlayDuration = 0.2;	// shadow fade in/out duration
	if(resizeSpeed > 10){ resizeSpeed = 10;}
	if(resizeSpeed < 1){ resizeSpeed = 1;}
	resizeDuration = (11 - resizeSpeed) * 0.15;
} else { 
	overlayDuration = 0;
	resizeDuration = 0;
}

var fileLoadingContent = "../public/images/loading.gif";

var PopBox = Class.create();

PopBox.prototype = {
	// initialize()
	// Constructor runs on completion of the DOM loading. The function inserts html
	// at the bottom of the page which is used to display the shadow 
	// overlay and the content container.
	//
	initialize: function() {
		// Code inserts html at the bottom of the page that looks similar to this:
		//
		//	<div id="overlay"></div>
		//	<div id="PopBox">

		//	</div>

		var objBody = document.getElementsByTagName("body").item(0);
		
		var objOverlay = document.createElement("div");
		objOverlay.setAttribute('id','overlay');
		objOverlay.style.display = 'none';
		objOverlay.onclick = function() { myPopBox.end(); }
		objBody.appendChild(objOverlay);
		
		var objPopBox = document.createElement("div");
		objPopBox.setAttribute('id','PopBox');
		objPopBox.style.display = 'none';
		objPopBox.onclick = function(e) {	// close PopBox is user clicks shadow overlay
			if (!e) var e = window.event;
			var clickObj = Event.element(e).id;
			if ( clickObj == 'PopBox') {
				myPopBox.end();
			}
		};
		objBody.appendChild(objPopBox);
			
		var objOuterContentContainer = document.createElement("div");
		objOuterContentContainer.setAttribute('id','outerContentContainer');
		objPopBox.appendChild(objOuterContentContainer);

		// When PopBox starts it will resize itself from 250 by 250 to the current content dimension.
		// If animations are turned off, it will be hidden as to prevent a flicker of a
		// white 250 by 250 box.
		if(animate){
			Element.setWidth('outerContentContainer', 150);
			Element.setHeight('outerContentContainer', 150);			
		} else {
			Element.setWidth('outerContentContainer', 1);
			Element.setHeight('outerContentContainer', 1);			
		}

		var objContentContainer = document.createElement("div");
		objContentContainer.setAttribute('id','contentContainer');
		objOuterContentContainer.appendChild(objContentContainer);
	
		var objHoverNav = document.createElement("div");
		objHoverNav.setAttribute('id','hoverNav');
		objContentContainer.appendChild(objHoverNav);
	
		var objLoading = document.createElement("div");
		objLoading.setAttribute('id','loading');
		objOuterContentContainer.appendChild(objLoading);
	
		var objLoadingLink = document.createElement("a");
		objLoadingLink.setAttribute('id','loadingLink');
		objLoadingLink.setAttribute('href','#');
		objLoadingLink.onclick = function() { myPopBox.end(); return false; }
		objLoading.appendChild(objLoadingLink);
	
		var objLoadingContent = document.createElement("img");
		objLoadingContent.setAttribute('src', fileLoadingContent);
		objLoadingLink.appendChild(objLoadingContent);
	},
	
	start: function() {

		hideSelectBoxes();
		hideFlash();

		// stretch overlay to fill page and fade in
		var arrayPageSize = getPageSize();
		Element.setWidth('overlay', arrayPageSize[0]);
		Element.setHeight('overlay', arrayPageSize[1]);

		new Effect.Appear('overlay', { duration: overlayDuration, from: 0.0, to: overlayOpacity });
		
		// calculate top and left offset for the lightbox 
		var arrayPageScroll = getPageScroll();
		var PopBoxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);
		var PopBoxLeft = arrayPageScroll[0];
		Element.setTop('PopBox', PopBoxTop);
		Element.setLeft('PopBox', PopBoxLeft);
		
		Element.show('PopBox');
	},
	
	//
	//	loadContent()
	//  This function loads content using the AJAX way ;)
	//  No js enabled, no content :(
	//
	loadContent: function(file, w, h) {
		var xhr = getXhr();
		var text;

		Element.show('loading');
		Element.hide('contentContainer');
		//myPopBox.resizeContentContainer(w, h);

		xhr.open("GET", file, true);

        function recupTextReq() {
            if(xhr.readyState != 4) return;
		    else if (xhr.readyState == 4) {
				  // Recupère le retour
			      //insère dans notre modèle
    			  document.getElementById('contentContainer').innerHTML = xhr.responseText;
            }
	    }
		//appelle recupReponse à chaque changement de readyState
    	xhr.onreadystatechange = recupTextReq;
        
		//envoi le tout
    	xhr.send(null);
    	
    	myPopBox.resizeContentContainer(w, h);
    	myPopBox.showContent();
	},
	
	//
	//	showContent()
	//	Display content
	//
	showContent: function(){
		Element.hide('loading');
		new Effect.Appear('contentContainer', { duration: resizeDuration, queue: 'end' });
	},
	
	resizeContentContainer: function(contentWidth, contentHeight) {
		// get current width and height
		this.widthCurrent = Element.getWidth('outerContentContainer');
		this.heightCurrent = Element.getHeight('outerContentContainer');
		
		// get new width and height
		var widthNew = (contentWidth + (borderSize * 2));
		var heightNew = (contentHeight + (borderSize * 2));
		
		// scalars based on change from old to new
		this.xScale = ( widthNew / this.widthCurrent) * 100;
		this.yScale = ( heightNew / this.heightCurrent) * 100;
		
		// calculate size difference between new and old image, and resize if necessary
		wDiff = this.widthCurrent - widthNew;
		hDiff = this.heightCurrent - heightNew;
		
		if(!( hDiff == 0)){ new Effect.Scale('outerContentContainer', this.yScale, {scaleX: false, duration: resizeDuration, queue: 'front'}); }
		if(!( wDiff == 0)){ new Effect.Scale('outerContentContainer', this.xScale, {scaleY: false, delay: resizeDuration, duration: resizeDuration}); }
		
		if((hDiff == 0) && (wDiff == 0)){
			if (navigator.appVersion.indexOf("MSIE")!=-1){ pause(250); } else { pause(100);} 
		}
		
		Element.setWidth('contentContainer', contentWidth);
		Element.setHeight('contentContainer', contentHeight);
	},
	
	//
	//	end()
	//
	end: function() {
		Element.hide('PopBox');
		new Effect.Fade('overlay', { duration: overlayDuration });
		showSelectBoxes();
		showFlash();
	}
}

// -----------------------------------------------------------------------------------

//
//	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;
	}
});

function getXhr() {
	var xhr;

	if (window.XMLHttpRequest) {
		xhr = new XMLHttpRequest();
	
		// Évite un bug du navigateur Safari :
		if (xhr.overrideMimeType) {
			xhr.overrideMimeType("text/xml");
		}
	} else {
		if (window.ActiveXObject) {
			try { // essaie de charger l'objet pour IE
				xhr = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
	      		try { // essaie de charger l'objet pour une autre version IE
	        		xhr = new ActiveXObject("Microsoft.XMLHTTP");
	      		} catch (e) {
	        		window.alert("Votre navigateur ne prend pas en charge AJAX.\nAllez sur la page Nous contacter pour\nsélectionner un mandataire.");
	      		} // try-catch
	    	} // try-catch
	  	}
	} // if-else
	
	return xhr;
}

// -----------------------------------------------------------------------------------

//
// 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;
}

// ---------------------------------------------------

//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Help from Ran Bar-On [ran2103@gmail.com]
//

function pause(ms){
	var date = new Date();
	curDate = null;
	do{var curDate = new Date();}
	while( curDate - date < ms);
}

// -----------------------------------------------------------------------------------

//
// 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;
}

// ---------------------------------------------------

function showSelectBoxes(){
	var selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
}

// ---------------------------------------------------

function hideSelectBoxes(){
	var selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "hidden";
	}
}

// ---------------------------------------------------

function showFlash(){
	var flashObjects = document.getElementsByTagName("object");
	for (i = 0; i < flashObjects.length; i++) {
		flashObjects[i].style.visibility = "visible";
	}

	var flashEmbeds = document.getElementsByTagName("embed");
	for (i = 0; i < flashEmbeds.length; i++) {
		flashEmbeds[i].style.visibility = "visible";
	}
}

// ---------------------------------------------------

function hideFlash(){
	var flashObjects = document.getElementsByTagName("object");
	for (i = 0; i < flashObjects.length; i++) {
		flashObjects[i].style.visibility = "hidden";
	}

	var flashEmbeds = document.getElementsByTagName("embed");
	for (i = 0; i < flashEmbeds.length; i++) {
		flashEmbeds[i].style.visibility = "hidden";
	}
}

function initPopBox() { myPopBox = new PopBox(); }
Event.observe(window, 'load', initPopBox, false);