//
//	Configuration
//
var resizeSpeed = 4;	// controls the speed of the image resizing (1=slowest and 10=fastest)
var borderSize = 10;	//if you adjust the padding in the CSS, you will need to update this variable

// -----------------------------------------------------------------------------------

//
//	Global Variables (modif)
//
var Action;
var IdJobOffer;
var DoPostBack = false;
var DesestimateQuestion = "Esta seguro que desea eliminar esta oferta?";
var ApplyQuestion = "Desea postularse a esta oferta?";

if(resizeSpeed > 10){ resizeSpeed = 10;}
if(resizeSpeed < 1){ resizeSpeed = 1;}
resizeDuration = (11 - resizeSpeed) * 0.15;

// -----------------------------------------------------------------------------------

//
//	Additional methods for Element.
//
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";
	},
	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;
	}
});

// -----------------------------------------------------------------------------------

//
//	Extending built-in Array object
//	- array.removeDuplicates()
//	- array.empty()
//
Array.prototype.removeDuplicates = function () {
	for(i = 1; i < this.length; i++){
		if(this[i][0] == this[i-1][0]){
			this.splice(i,1);
		}
	}
}

// -----------------------------------------------------------------------------------

Array.prototype.empty = function () {
	for(i = 0; i <= this.length; i++){
		this.shift();
	}
}

// -----------------------------------------------------------------------------------

//
//	Lightbox Class Declaration
//	- initialize()
//	- start()
//	- loadApplyment()
//	- resizeImageContainer()
//	- showImage()
//	- updateDetails()
//	- updateNav()
//	- enableKeyboardNav()
//	- disableKeyboardNav()
//	- keyboardNavAction()
//	- preloadNeighborImages()
//	- end()
//
//	Structuring of code inspired by Scott Upton (http://www.uptonic.com/)
//
var Lightbox = Class.create();

Lightbox.prototype = {
	
	// initialize()
	// Constructor runs on completion of the DOM loading. Loops through anchor tags looking for 
	// 'lightbox' references and applies onclick events to appropriate links. The 2nd section of
	// the function inserts html at the bottom of the page which is used to display the shadow 
	// overlay and the image container.
	//
	initialize: function() {	
		if (!document.getElementsByTagName){ return; }
		var anchors = document.getElementsByTagName('a');

		// loop through all anchor tags
		for (var i=0; i<anchors.length; i++){
			var anchor = anchors[i];
			
			var relAttribute = String(anchor.getAttribute('rel'));
			
			// use the string.match() method to catch 'lightbox' references in the rel attribute
			if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('apply')))
			{
				anchor.onclick = function () {if (confirm(ApplyQuestion)) {ApplymentBox.start(this, "APPLY"); return false;}}
			}
			else if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('desestimate')))
			{
				anchor.onclick = function () {if (confirm(DesestimateQuestion)) {ApplymentBox.start(this, "DESESTIMATE"); return false;}}
			}
			else if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('showm4')))
			{
				anchor.onclick = function () {ApplymentBox.start(this, "SHOWM4"); return false;}
			}									
			else if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('show')))
			{
				anchor.onclick = function () {ApplymentBox.start(this, "SHOW"); return false;}
			}			
		}

		$('btn_Back').onclick = function() { ApplymentBox.end(); return false; }
	},
	start: function(applymentLink, _Action) 	
	{
		IdJobOffer = applymentLink.getAttribute('rev');		

		Action     = _Action;
		
		if ((_Action == "SHOW") || (_Action == "SHOWM4"))
		{
			hideSelectBoxes();

			Element.setHeight('outerImageContainer', 250);
			Element.setWidth( 'outerImageContainer', 250);	

			// stretch overlay to fill page and fade in
			var arrayPageSize = getPageSize();
			Element.setHeight('overlay', arrayPageSize[1]);
			new Effect.Appear('overlay', { duration: 0.4, from: 0.0, to: 0.8, afterFinish: function(){ApplymentBox.showLoader();}});
		}
		else
		{
			if (isAuthenticated)
			{
				if (hasMinimalData == true)
				{			
					if (_Action == "APPLY")
					{
						ApplymentBox.apply();					
					}			
					else if (_Action == "DESESTIMATE")
					{
						ApplymentBox.desestimate();					
					}
				}	
				else
				{
					window.location.href = "Search_Offers.aspx?CheckMinimalData=1";			
				}								
			}
			else
			{
				window.location.href = "Search_Offers.aspx?loginAndBackTo=" + _Action + IdJobOffer + "&Action=" + _Action + "&JobOffer=" + IdJobOffer;										
			}
			/*
			if (hasMinimalData == true)
			{
				if (isAuthenticated)
				{			
					if (_Action == "APPLY")
					{
						ApplymentBox.apply();					
					}			
					else if (_Action == "DESESTIMATE")
					{
						ApplymentBox.desestimate();					
					}
				}	
				else
				{
					window.location.href = "Search_Offers.aspx?loginAndBackTo=" + _Action + IdJobOffer + "&Action=" + _Action;							
				}					
			}		
			else
			{
				window.location.href = "Search_Offers.aspx?CheckMinimalData=1";			
			}
			*/
		}
	},
	showLoader: function()
	{
		// calculate top offset for the lightbox and display 
		var arrayPageSize   = getPageSize();
		var arrayPageScroll = getPageScroll();
		var lightboxTop     = arrayPageScroll[1] + (arrayPageSize[3] / 15);

		Element.setTop('lightbox', lightboxTop);
		Element.show('lightbox');

		this.loadApplyment();		
	},
	loadApplyment: function() {	
		// hide elements during transition
		Element.show('loading');
		Element.hide('info');
		Element.hide('errors');
		Element.hide('ok');
		Element.hide('applyment');
		Element.hide('hoverNav');
		Element.hide('prevLink');
		Element.hide('nextLink');
		Element.hide('imageDataContainer');
		Element.hide('numberDisplay');		
		
		this.request();
	},
	request: function()
	{
		var url    = 'Applyment.aspx';	
		if (Action == "SHOWM4")
		{
			url    = 'HRApplyment.aspx';
		}
		var pars   = 'Action='+Action+'&IdJobOffer='+IdJobOffer+"&AjaxAction=LOAD&NO-CACHE=" + Math.random();
		var target = 'info';
		
		$('img_TellAFriend').onclick = function () {ApplymentBox.tellAFriend(); return false;}
		$('btn_TellAFriend').onclick = function () {ApplymentBox.tellAFriend(); return false;}

		$('btn_MakeApply').onclick   = ApplymentBox.apply;		
		
		var ajaxApplyment = new Ajax.Updater(target, url, {method: 'GET', onComplete: this.handleResponse, onFailure: this.reportError, parameters: pars});				
	},
	handleResponse: function(req)
	{	
		var _responseArray   = req.responseText.split("##");
		var _data            = _responseArray[0].split("||");		
		var _literals        = _responseArray[1].split("||");

		Element.setInnerHTML('info', '');
		
		Element.setSrc('img_BusinessLogo', _data[0]);
		Element.setInnerHTML('lbl_NJob', _data[1]);
		Element.setInnerHTML('lbl_NPosition', _data[1]);		
		Element.setInnerHTML('lbl_Reference', _data[2]);
		Element.setInnerHTML('lbl_ApplymentJobPlace', _data[3]);
		Element.setInnerHTML('lbl_Salary', _data[4]);
		Element.setInnerHTML('lbl_Currency', _data[5]);
		Element.setInnerHTML('lbl_JobPositionType', _data[6]);		
		Element.setInnerHTML('lbl_ContractType', _data[7]);
		Element.setInnerHTML('lbl_Description', _data[8]);
		Element.setInnerHTML('lbl_Requirements', _data[9]);		
		
		Element.setInnerHTML('lbl_Title', _literals[0]);
		Element.setInnerHTML('lbl_ReferenceLabel', _literals[1]);
		Element.setInnerHTML('lbl_JobPlaceLabel', _literals[2]);
		Element.setInnerHTML('lbl_SalaryLabel', _literals[3]);		
		Element.setInnerHTML('lbl_JobPositionTypeLabel', _literals[4]);		
		Element.setInnerHTML('lbl_ContractTypeLabel', _literals[5]);		
		Element.setInnerHTML('lbl_DescriptionLabel', _literals[6]);		
		Element.setInnerHTML('lbl_RequirementsLabel', _literals[7]);
		Element.setInnerHTML('btn_MakeApply', _literals[8]);		
		Element.setInnerHTML('btn_Back', _literals[9]);		
		
		if (_data[9] == "")
		{
			Element.hide('tr_Requirements');
		}
		else
		{
			Element.show('tr_Requirements');
		}

		if (Element.getHeight('applyment') != 0)
		{
			ApplymentBox.resizeImageContainer(620, Element.getHeight('applyment'));
		}
		else
		{
			ApplymentBox.resizeImageContainer(620, Element.getHeight('container'));
		}	
	},
	handleApply: function(req)
	{
		if (req.responseText != "")
		{
			//Element.setInnerHTML('lbl_Ok', req.responseText);	
		}	
		//Element.hide('btn_MakeApply');
		//Element.hide('applyment');
		//Element.show('ok');
		alert(req.responseText);
		DoPostBack = true;
		ApplymentBox.checkPostBack();
	},
	handleDesestimate: function(req)
	{
		if (req.responseText != "")
		{
			//Element.setInnerHTML('lbl_Ok', req.responseText);	
		}	
		alert(req.responseText);		
		DoPostBack = true;
		ApplymentBox.checkPostBack();
	},	
	resizeImageContainer: function( imgWidth, imgHeight) {
		// get current height and width
		this.wCur = Element.getWidth('outerImageContainer');
		this.hCur = Element.getHeight('outerImageContainer');

		// scalars based on change from old to new
		this.xScale = ((imgWidth  + (borderSize * 2)) / this.wCur) * 100;
		this.yScale = ((imgHeight  + (borderSize * 2)) / this.hCur) * 100;

		// calculate size difference between new and old image, and resize if necessary
		wDiff = (this.wCur - borderSize * 2) - imgWidth;
		hDiff = (this.hCur - borderSize * 2) - imgHeight;

		if(!( hDiff == 0)){ new Effect.Scale('outerImageContainer', this.yScale, {scaleX: false, duration: resizeDuration, queue: 'front'}); }
		if(!( wDiff == 0)){ new Effect.Scale('outerImageContainer', this.xScale, {scaleY: false, delay: resizeDuration, duration: resizeDuration}); }

		// if new and old image are same size and no scaling transition is necessary, 
		// do a quick pause to prevent image flicker.
		if((hDiff == 0) && (wDiff == 0)){
			if (navigator.appVersion.indexOf("MSIE")!=-1){ pause(250); } else { pause(100);} 
		}

		Element.setHeight('prevLink', imgHeight);
		Element.setHeight('nextLink', imgHeight);
		Element.setWidth( 'imageDataContainer', imgWidth + (borderSize * 2));

		this.showImage();
	},
	showImage: function(){
		Element.hide('loading');
		new Effect.Appear('applyment', { duration: 0.5, queue: 'end', afterFinish: function(){	ApplymentBox.updateDetails(); } });
		//this.preloadNeighborImages();
	},
	updateDetails: function() {
		new Effect.Parallel(
			[ new Effect.SlideDown( 'imageDataContainer', { sync: true, duration: resizeDuration + 0.25, from: 0.0, to: 1.0 }), 
			  new Effect.Appear('imageDataContainer', { sync: true, duration: 1.0 }) ], 
			{ duration: 0.65, afterFinish: function() { ApplymentBox.updateNav();} } 
		);
	},
	apply: function()
	{
		var url    = 'Applyment.aspx';
		var pars   = 'Action='+Action+'&IdJobOffer='+IdJobOffer+"&AjaxAction=LOAD&NO-CACHE=" + Math.random();
		var target = 'info';
		
		var ajaxApplyment = new Ajax.Updater(target, url, {method: 'GET', onComplete: ApplymentBox.handleApply, onFailure: this.reportError, parameters: pars});						
	},
	desestimate: function()
	{
		var url    = 'Applyment.aspx';
		var pars   = 'Action='+Action+'&IdJobOffer='+IdJobOffer+"&AjaxAction=LOAD&NO-CACHE=" + Math.random();
		var target = 'info';

		var ajaxApplyment = new Ajax.Updater(target, url, {method: 'GET', onComplete: ApplymentBox.handleDesestimate, parameters: pars});						
	},	
	reportError: function(req)
	{
		var _errorsArray = req.responseText.split("||");
		Element.setInnerHTML('lbl_ErrorTitle', _errorsArray[0]);
		Element.setInnerHTML('lbl_ErrorDescriptions', _errorsArray[1]);		
		
		Element.Fade('applyment');
		Element.Appear('errors');
	},
	tellAFriend: function()
	{
		this.disableKeyboardNav();
		Element.hide('lightbox');
		new Effect.Fade('overlay', { duration: 0.4, afterFinish: function() { window.location = 'TellAFriend.aspx?Action=TELLAFRIEND&IdJobOffer=' + IdJobOffer;}});
		showSelectBoxes();		
	},
	updateNav: function() {
	},
	enableKeyboardNav: function() {
		document.onkeydown = this.keyboardAction; 
	},
	disableKeyboardNav: function() {
		document.onkeydown = '';
	},
	keyboardAction: function(e) {
/*		if (e == null) { // ie
			keycode = event.keyCode;
		} else { // mozilla
			keycode = e.which;
		}

		key = String.fromCharCode(keycode).toLowerCase();
		
		if((key == 'x') || (key == 'o') || (key == 'c')){	// close lightbox
			ApplymentBox.end();
		} else if(key == 'p'){	// display previous image
			if(activeImage != 0){
				ApplymentBox.disableKeyboardNav();
				ApplymentBox.loadApplyment(activeImage - 1);
			}
		} else if(key == 'n'){	// display next image
			if(activeImage != (imageArray.length - 1)){
				ApplymentBox.disableKeyboardNav();
				ApplymentBox.loadApplyment(activeImage + 1);
			}
		}*/
	},

	//
	//	preloadNeighborImages()
	//	Preload previous and next images.
	//
	preloadNeighborImages: function(){
		/*
		if((imageArray.length - 1) > activeImage){
			preloadNextImage = new Image();
			preloadNextImage.src = imageArray[activeImage + 1][0];
		}
		if(activeImage > 0){
			preloadPrevImage = new Image();
			preloadPrevImage.src = imageArray[activeImage - 1][0];
		}
		*/
	},
	shrink: function(imgWidth, imgHeight)
	{
		// get current height and width
		this.wCur = Element.getWidth('outerImageContainer');
		this.hCur = Element.getHeight('outerImageContainer');

		// scalars based on change from old to new
		this.xScale = ((imgWidth  + (borderSize * 2)) / this.wCur) * 100;
		this.yScale = ((imgHeight  + (borderSize * 2)) / this.hCur) * 100;

		// calculate size difference between new and old image, and resize if necessary
		wDiff = (this.wCur - borderSize * 2) - imgWidth;
		hDiff = (this.hCur - borderSize * 2) - imgHeight;

		if(!( hDiff == 0)){ new Effect.Scale('outerImageContainer', this.yScale, {scaleX: false, duration: resizeDuration, queue: 'front'}); }
		if(!( wDiff == 0)){ new Effect.Scale('outerImageContainer', this.xScale, {scaleY: false, delay: resizeDuration, duration: resizeDuration, afterFinish: function() {new Effect.Fade('lightbox', {duration: 0.2, afterFinish: function() {new Effect.Fade('overlay', {duration: 0.4, afterFinish: ApplymentBox.checkPostBack()})}});}}); }

		// if new and old image are same size and no scaling transition is necessary, 
		// do a quick pause to prevent image flicker.
		if((hDiff == 0) && (wDiff == 0)){
			if (navigator.appVersion.indexOf("MSIE")!=-1){ pause(250); } else { pause(100);} 
		}

		Element.setHeight('prevLink', imgHeight);
		Element.setHeight('nextLink', imgHeight);
		Element.setWidth( 'imageDataContainer', imgWidth + (borderSize * 2));	
	},
	checkPostBack: function()
	{
		if (DoPostBack)
		{
			var _newHref = window.location.href;
			if (_newHref.indexOf("#") != -1)
			{
				_newHref = window.location.href.substring(0, (window.location.href.length - 1));	
			}	
			if (_newHref.indexOf("?") == -1)
			{
				_newHref = _newHref + "?no-cache=" + Math.random();
			}
			else
			{
				_newHref = _newHref + "&no-cache=" + Math.random();
			}
			//var _newHref         = window.location.href.substring(0, (window.location.href.length - 1)) + "?no-cache=" + Math.random() + "&ShowSearch=1";
			window.location.href = _newHref;
		}		
	},
	end: function() 
	{
		this.disableKeyboardNav();
		//Element.hide('lightbox');
		if (Element.getStyle($('ok'), 'display') == 'none')
		{
			new Effect.Parallel([ new Effect.SlideUp( 'imageDataContainer', { sync: true, duration: resizeDuration + 0.25, from: 0.0, to: 1.0 }), 
								new Effect.Fade('imageDataContainer', { sync: true, duration: 1.0 }),
								new Effect.Fade('applyment', { sync: true, duration: 1.0})],			                   
								{ duration: 0.4, afterFinish: function() { ApplymentBox.shrink(250, 250);} });				 
		}
		else
		{
			new Effect.Parallel([ new Effect.SlideUp( 'imageDataContainer', { sync: true, duration: resizeDuration + 0.25, from: 0.0, to: 1.0 }), 
								new Effect.Fade('imageDataContainer', { sync: true, duration: 1.0 }),
								new Effect.Fade('ok', { sync: true, duration: 1.0})],			                   
								{ duration: 0.4, afterFinish: function() { ApplymentBox.shrink(250, 250);} });				 		
		}						
		showSelectBoxes();
	}
}

// -----------------------------------------------------------------------------------

//
// getPageScroll()
// Returns array with x,y page scroll values.
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}

// -----------------------------------------------------------------------------------

//
// getPageSize()
// Returns array with page width, height and window width, height
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		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;
	if (self.innerHeight) {	// all except Explorer
		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;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

// -----------------------------------------------------------------------------------

//
// getKey(key)
// Gets keycode. If 'x' is pressed then it hides the lightbox.
//
function getKey(e){
	if (e == null) { // ie
		keycode = event.keyCode;
	} else { // mozilla
		keycode = e.which;
	}
	key = String.fromCharCode(keycode).toLowerCase();
	
	if(key == 'x'){
	}
}

// -----------------------------------------------------------------------------------

//
// listenKey()
//
function listenKey () {	document.onkeypress = getKey; }
	
// ---------------------------------------------------

function showSelectBoxes(){
	selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
}

// ---------------------------------------------------

function hideSelectBoxes(){
	selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "hidden";
	}
}

// ---------------------------------------------------

//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
//
function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}

// ---------------------------------------------------



function initLightbox() { 
	ApplymentBox = new Lightbox(); 

	if (typeof pendingOffer != 'undefined')
	{
		if ($(pendingOffer) != null)
		{
			$(pendingOffer).click();
		}	
	}
}
Event.observe(window, 'load', initLightbox, false);



