/*
	Lightbox JS: Fullsize Image Overlays 
	by Lokesh Dhakar - http://www.huddletogether.com

	For more information on this script, visit:
	http://huddletogether.com/projects/lightbox/

	Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
	(basically, do anything you want, just leave my name and link)
	
	Table of Contents
	-----------------
	Configuration
	
	Functions
	- getPageScroll()
	- getPageSize()
	- pause()
	- getKey()
	- listenKey()
	- showLightbox()
	- hideLightbox()
	- initLightbox()
	- addLoadEvent()
	
	Function Calls
	- addLoadEvent(initLightbox)

*/



//
// Configuration
//

// If you would like to use a custom loading image or close button reference them in the next two lines.
var loadingImage = '/img/lightbox/loading.gif';
var closeButton = '/img/lightbox/close.gif';

//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
//
function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}


//
// 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'){ hideLightbox(); }
}





//
// listenKey()
//
function listenKey () {	document.onkeypress = getKey; }
	

//
// showLightbox()
// Preloads images. Pleaces new image in lightbox then centers and displays.
//
function showLightbox(objLink)
{
	// prep objects
	var objOverlay = document.getElementById('overlay');
	var objLightbox = document.getElementById('lightbox');
	var objCaption = document.getElementById('lightboxCaption');
	var objImage = document.getElementById('lightboxImage');
	var objLoadingImage = document.getElementById('loadingImage');
	var objLightboxDetails = document.getElementById('lightboxDetails');

	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// center loadingImage if it exists
	if (objLoadingImage) {
		objLoadingImage.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - objLoadingImage.height) / 2) + 'px');
		objLoadingImage.style.left = (((arrayPageSize[0] - 20 - objLoadingImage.width) / 2) + 'px');
		objLoadingImage.style.display = 'block';
	}

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.display = 'block';

	// preload image
	imgPreload = new Image();

	imgPreload.onload=function(){
		objImage.src = objLink.href;

		// center lightbox and make sure that the top and left values are not negative
		// and the image placed outside the viewport
		var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - imgPreload.height) / 2);
		var lightboxLeft = ((arrayPageSize[0] - 20 - imgPreload.width) / 2);
		
		objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
		objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";


		objLightboxDetails.style.width = imgPreload.width + 'px';
		
		if(objLink.getAttribute('title')){
			objCaption.style.display = 'block';
			//objCaption.style.width = imgPreload.width + 'px';
			objCaption.innerHTML = objLink.getAttribute('title');
		} else {
			objCaption.style.display = 'none';
		}
		
		// A small pause between the image loading and displaying is required with IE,
		// this prevents the previous image displaying for a short burst causing flicker.
		if (navigator.appVersion.indexOf("MSIE")!=-1){
			pause(250);
		} 

		if (objLoadingImage) {	objLoadingImage.style.display = 'none'; }

		// Hide select boxes as they will 'peek' through the image in IE
		selects = document.getElementsByTagName("select");
        for (i = 0; i != selects.length; i++) {
                selects[i].style.visibility = "hidden";
        }

	
		objLightbox.style.display = 'block';

		// After image is loaded, update the overlay height as the new image might have
		// increased the overall page height.
		arrayPageSize = getPageSize();
		objOverlay.style.height = (arrayPageSize[1] + 'px');
		
		// Check for 'x' keypress
		listenKey();

		return false;
	}

	imgPreload.src = objLink.href;
	
}





//
// hideLightbox()
//
function hideLightbox()
{
	// get objects
	objOverlay = document.getElementById('overlay');
	objLightbox = document.getElementById('lightbox');

	// hide lightbox and overlay
	objOverlay.style.display = 'none';
	objLightbox.style.display = 'none';

	// make select boxes visible
	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}

	// disable keypress listener
}




//
// initLightbox()
// Function runs on window load, going through link tags looking for rel="lightbox".
// These links receive onclick events that enable the lightbox display for their targets.
// The function also inserts html markup at the top of the page which will be used as a
// container for the overlay pattern and the inline image.
//
function initLightbox()
{
	
	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];

		if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "lightbox")){
			anchor.onclick = function () {showLightbox(this); return false;}
		}
	}

	// the rest of this code inserts html at the top of the page that looks like this:
	//
	// <div id="overlay">
	//		<a href="#" onclick="hideLightbox(); return false;"><img id="loadingImage" /></a>
	//	</div>
	// <div id="lightbox">
	//		<a href="#" onclick="hideLightbox(); return false;" title="Click anywhere to close image">
	//			<img id="closeButton" />		
	//			<img id="lightboxImage" />
	//		</a>
	//		<div id="lightboxDetails">
	//			<div id="lightboxCaption"></div>
	//			<div id="keyboardMsg"></div>
	//		</div>
	// </div>
	
	var objBody = document.getElementsByTagName("body").item(0);
	
	// create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
	var objOverlay = document.createElement("div");
	objOverlay.setAttribute('id','overlay');
	objOverlay.onclick = function () {hideLightbox(); return false;}
	objOverlay.style.display = 'none';
	objOverlay.style.position = 'absolute';
	objOverlay.style.top = '0';
	objOverlay.style.left = '0';
	objOverlay.style.zIndex = '900';
 	objOverlay.style.width = '100%';
	objBody.insertBefore(objOverlay, objBody.firstChild);
	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// preload and create loader image
	var imgPreloader = new Image();
	
	// if loader image found, create link to hide lightbox and create loadingimage
	imgPreloader.onload=function(){

		var objLoadingImageLink = document.createElement("a");
		objLoadingImageLink.setAttribute('href','#');
		objLoadingImageLink.onclick = function () {hideLightbox(); return false;}
		objOverlay.appendChild(objLoadingImageLink);
		
		var objLoadingImage = document.createElement("img");
		objLoadingImage.src = loadingImage;
		objLoadingImage.setAttribute('id','loadingImage');
		objLoadingImage.style.position = 'absolute';
		objLoadingImage.style.zIndex = '1500';
		objLoadingImageLink.appendChild(objLoadingImage);

		imgPreloader.onload=function(){};	//	clear onLoad, as IE will flip out w/animated gifs

		return false;
	}

	imgPreloader.src = loadingImage;

	// create lightbox div, same note about styles as above
	var objLightbox = document.createElement("div");
	objLightbox.setAttribute('id','lightbox');
	objLightbox.style.display = 'none';
	objLightbox.style.position = 'absolute';
	objLightbox.style.zIndex = '1000';	
	objBody.insertBefore(objLightbox, objOverlay.nextSibling);
	
	// create link
	var objLink = document.createElement("a");
	objLink.setAttribute('href','#');
	objLink.setAttribute('title','close');
	objLink.onclick = function () {hideLightbox(); return false;}
	objLightbox.appendChild(objLink);

	// preload and create close button image
	var imgPreloadCloseButton = new Image();

	// if close button image found, 
	imgPreloadCloseButton.onload=function(){

		var objCloseButton = document.createElement("img");
		objCloseButton.src = closeButton;
		objCloseButton.setAttribute('id','closeButton');
		objCloseButton.style.position = 'absolute';
		objCloseButton.style.zIndex = '2000';
		objLink.appendChild(objCloseButton);

		return false;
	}

	imgPreloadCloseButton.src = closeButton;

	// create image
	var objImage = document.createElement("img");
	objImage.setAttribute('id','lightboxImage');
	objLink.appendChild(objImage);
	
	// create details div, a container for the caption and keyboard message
	var objLightboxDetails = document.createElement("div");
	objLightboxDetails.setAttribute('id','lightboxDetails');
	objLightbox.appendChild(objLightboxDetails);

	// create caption
	var objCaption = document.createElement("div");
	objCaption.setAttribute('id','lightboxCaption');
	objCaption.style.display = 'none';
	objLightboxDetails.appendChild(objCaption);

	// create keyboard message
	var objKeyboardMsg = document.createElement("div");
	objKeyboardMsg.setAttribute('id','keyboardMsg');
	objKeyboardMsg.innerHTML = ' <a href="#" onclick="hideLightbox(); return false;"><kbd>Закрыть</kbd></a>';
	objLightboxDetails.appendChild(objKeyboardMsg);


}




//
// addLoadEvent()
// Adds event to window.onload without overwriting currently assigned onload functions.
// Function found at Simon Willison's weblog - http://simon.incutio.com/
//
function addLoadEvent(func)
{	
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
    	window.onload = func;
	} else {
		window.onload = function(){
		oldonload();
		func();
		}
	}

}



jQuery(document).ready(initLightbox);	// run initLightbox onLoad

function trim(str) {
	return str.replace(/^\s*/,'').replace(/\s*$/,'');
}

function showLoginForm() 
{
	// 
	aPage = getPageSize();
	aScroll = getPageScroll();
	//
	var overlay = document.createElement('div');
	overlay.setAttribute('id','loginOverlay');
	overlay.style.width = '100%';
	overlay.style.zIndex = '1000';
	overlay.style.position = 'absolute';
	overlay.style.left = '0';
	overlay.style.top = '0';
	overlay.style.height = (aPage[1] + 'px');
	overlay.style.display = 'block';
	// 
	jQuery(document.body).prepend(overlay);
	// 
	var lightboxTop = aScroll[1] + ((aPage[3] - 163) / 2);
	var lightboxLeft = ((arrayPageSize[0] - 238) / 2);
	
	var objLightbox = document.getElementById('loginPopup');
	objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
	objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";
	objLightbox.style.display = 'block';
	objLightbox.style.zIndex = '1001';
	objLightbox.parentNode.removeChild(objLightbox);
	jQuery(document.body).prepend(objLightbox);

	jQuery(overlay).click(hideLoginForm);
}

function hideLoginForm() 
{
	jQuery('#loginOverlay').remove();
	jQuery('#loginPopup').css('display','none');
	//

	objLightbox.parentNode.removeChild(objLightbox);
	document.getElementById('loginArea').appendChild(objLightbox);
}

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
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
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
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;
}


function showPostComment() {
}
jQuery(document).ready(showPostComment);

//*********************************************************************
//
//                            Rating.js
//
//*********************************************************************
function appendNewsRating() {
	// Определяем что авторизирован
	var bLogined = (jQuery('div.userLogined').size()) > 0;
	//
	jQuery('#mergedCols #catPageNews div.articles div.item div.rating').each(function () {
		var $nPublicationId = jQuery(this).attr('rel');
		if (bLogined) {
			jQuery(this).append('<a href="/publication/add_comment.php?id=' + $nPublicationId+ '&rating=-1">-</a>');
			jQuery(this).prepend('<a href="/publication/add_comment.php?id=' + $nPublicationId +'&rating=1">+</a>');
		} else {
		}
	});
}
jQuery(document).ready(appendNewsRating);
//*********************************************************************
//
//                            switch_panesl.js
//
//*********************************************************************
function enableSwitchArticles() 
{

	jQuery('#popularArticles #h3popular a').click(function () {

		jQuery('#h3popular').attr('class','current');
		jQuery('#h3last').attr('class','');

		jQuery('#last-article').css('display','none');
		jQuery('#best-article').css('display','block');
		return false;
	});
	jQuery('#popularArticles #h3last a').click(function () {
		jQuery('#h3last').attr('class','current');
		jQuery('#h3popular').attr('class',' ');

		jQuery('#best-article').css('display','none');
		jQuery('#last-article').css('display','block');
		return false;
	});

}
jQuery(document).ready(enableSwitchArticles);


/**
*   -------------------------------------------------------------------------------------------
*   @desc Показывает объект oDiv в Lightbox-форме
*   @return 
*   -------------------------------------------------------------------------------------------
*/
function showLightBoxForm(oDiv) 
{
	// Получаем данные по странице
	aPage = getPageSize();
	aScroll = getPageScroll();
	// Создаем объект lightbox и устанавливаем стили
	var oOverlay = document.createElement('div');
	oOverlay.setAttribute('id','lightBoxOverlay');
	oOverlay.style.width = '100%';
	oOverlay.style.zIndex = '1000';
	oOverlay.style.position = 'absolute';
	oOverlay.style.left = '0';
	oOverlay.style.top = '0';
	oOverlay.style.height = (aPage[1] + 'px');
	oOverlay.style.display = 'block';
	// Добавляем на сайт
	jQuery(document.body).prepend(oOverlay);
	// Определяем размеры формы LightBox
	var oDivHeight = jQuery(oDiv).height();
	var oDivWidth = jQuery(oDiv).width();
	var lightboxTop = aScroll[1] + ((aPage[3] - oDivHeight) / 2);
	var lightboxLeft = ((arrayPageSize[0] - oDivWidth) / 2);

	oForm = document.createElement('div');
	// Делаем дочерним к элементу формы
	oDiv.parentNode.removeChild(oDiv);
	jQuery(oForm).prepend(oDiv);


	// Устанавливаем свойства у формы
	oForm.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
	oForm.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";
	oForm.style.display = 'block';
	oForm.style.position = 'absolute';
	oForm.style.zIndex = '1001';

	oForm.style.width = oDivWidth  + 'px';
	oForm.style.height = oDivHeight + 'px';
	oForm.id='lightBoxPopup';
	jQuery(document.body).prepend(oForm);
	//
	jQuery(oOverlay).click(hideLightBoxForm);
}

function hideLightBoxForm() 
{
	jQuery('#lightBoxOverlay').remove();
	jQuery('#lightBoxPopup').remove();;
	//
}


//*********************************************************************
//
//                            dialogs.js
//
//*********************************************************************
var bDialogLoaded = false;
var aDialogSchema = {
	'showOpinion': {
			'url': '/catalog/show-dialog.php',
			'param' : 'key=item_opinion'
	},
	'showSellerOpinion': {
		'url': '/catalog/show-dialog.php',
		'param' : 'key=seller_opinion'
	},
	'showSearchMobile': {
		'url': '/catalog/show-dialog.php',
		'param': 'key=mobile_search'
	},
	'showSearchCamera': {
		'url': '/catalog/show-dialog.php',
		'param': 'key=camera_search'
	},
	'showSearchPlayer': {
		'url': '/catalog/show-dialog.php',
		'param' : 'key=player_search'
		}
};
function initDialog()
{
	for (key in aDialogSchema ) 
	{
		jQuery('a.' + key + '').click(function () 
		{
			showDialog(this.className.replace(/more |add |write /,''));
			return false;
		});
	}
}
function showDialog(key)
{
	// Если диалог до этого не загружался грузим его
	if (!bDialogLoaded) {
		bDialogLoaded = true;
		jQuery.get(aDialogSchema[key]['url'],aDialogSchema[key]['param'],function (html) {
			dialogLoaded(key,html);

			return false;
		})
		return ;
	}
	// Обновляем классы у попапа
	jQuery('#popupBg').removeClass('invisible');
}
function hideDialog()
{
	// Обновляем классы у попапа
	jQuery('#popupBg').addClass('invisible');
}
function dialogLoaded(key,html)
{

	// Вставляем в DOM
	jQuery('#global').append(html);

	// Добавляем функции закрытия
	jQuery('a.closepopup').click(function (){
		hideDialog();
		return false;
	});
	// Вызываем функцию показа
	showDialog(key);
}
jQuery(document).ready(initDialog)

// 
// RSS2Email
//
function initRss2Email() 
{
	jQuery('#goSign').click(function(e) {
		window.location = "http://www.rss2email.ru/?rss=http://mc.by/files/rss_news.xml";
		return false;
	})
	jQuery('#signmail').keypress(function(e) {
		if (e.which == 13) {
			window.location = "http://www.rss2email.ru/?rss=http://mc.by/files/rss_news.xml";
			return false;
		}
	})
	
}
jQuery(document).ready(initRss2Email);



// 
// Подключаем версию для печати
//
function initPrintVersion() 
{
	jQuery('#print a').click(function () {

		window.open('/print.html','_blank','scrollbars=yes,width=800,height=600,left=0,top=0,toolbar=no,titlebar = no, status = no, resizeable = no, menubar = no,location = no, directories = no, fullscreen = yes');

		return false;
	});
}
function getPrintContent() 
{
	var szHTML = '';
	var bBlock = false;

	szHTML = jQuery('#articleContent').html();
	var szResult = '';
	szResult += '<div><h1>' + jQuery('h1').html() + '</h1>';

	if (jQuery('.lightbox-image img').length > 0)
	{
		szResult += '<div style="float:left;margin:5px"><img src="' + jQuery('.lightbox-image img').attr('src') +'"/></div>';
	}

	szResult += szHTML;

	szResult += '</div>';
	return szResult;
}

jQuery(document).ready(initPrintVersion)

function initSendLink()
{
	jQuery('div.sendlink a').click(function () {
		var szEmail = prompt('Введите адрес e-mail');
		if ((szEmail) && (szEmail.length > 0)) {
			jQuery.post('/stuff/send-print.php','url=' + window.location.toString() + '&email=' + szEmail,function () {
				alert('Ваше письмо отослано');
				return false;
			});
		}
		return false;
	});
}
jQuery(document).ready(initSendLink);