/**
 * jQuery lightBox plugin
 * This is simplified plugin based on "jQuery lightBox plugin" jquery-lightbox-0.5.js by Leandro Vieira Pinho - http://leandrovieira.com
 * @copyright (c) 2008 Leandro Vieira Pinho (leandrovieira.com)
 * @license CC Attribution-No Derivative Works 2.5 Brazil - http://creativecommons.org/licenses/by-nd/2.5/br/deed.en_US
 */
(function($){
$.fn.lightBox=function(settings){
	settings=jQuery.extend({
		overlayBgColor:'#000',
		overlayOpacity:0.8,
		imageLoading:'/pictures/lightbox-ico-loading.gif',
		containerBorderSize:1,
		containerHeaderSize:0,
		containerResizeSpeed:400,
		showNumbers:0,
		txtImage:'Изображение',
		txtOf:'из',
		keyToClose:'c',
		keyToPrev:'p',
		keyToNext:'n',
		imageArray:[],
		activeImage:0},settings);
	var jQueryMatchedObj=this;
	function _initialize(){_start(this,jQueryMatchedObj);return false;}
	function _start(objClicked,jQueryMatchedObj){
		$('embed, object, select').css({'visibility':'hidden'});
		_set_interface();
		settings.imageArray.length=0;
		settings.activeImage=0;
		if(jQueryMatchedObj.length==1){
			settings.imageArray.push(new Array(objClicked.getAttribute('href'),objClicked.getAttribute('title')));
		}else{
			for(var i=0;i<jQueryMatchedObj.length;i++){
				settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'),jQueryMatchedObj[i].getAttribute('title')));
			}
		}
		while(settings.imageArray[settings.activeImage][0]!=objClicked.getAttribute('href')){settings.activeImage++;}
		_set_image_to_view();
	}
function _set_interface(){
	$('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"><div id="lightbox-container-image-box"><div id="lightbox-container-image"><img id="lightbox-image"><div id="lightbox-nav"><span id="lightbox-nav-btnPrev"><span></span></span><span id="lightbox-nav-btnNext"><span></span></span></div><div id="lightbox-secNav"><span id="lightbox-secNav-btnClose"></span></div><div id="lightbox-loading"></div></div><div id="lightbox-container-image-data-box"><div id="lightbox-container-image-data"><div id="lightbox-image-details"><span id="lightbox-image-details-caption"></span><span id="lightbox-image-details-currentNumber"></span></div></div></div></div></div>');
	var arrPageSizes=___getPageSize();
	$('#jquery-overlay').css({backgroundColor:settings.overlayBgColor,opacity:settings.overlayOpacity,width:arrPageSizes[0],height:arrPageSizes[1]}).fadeIn();
	var arrPageScroll=___getPageScroll();
	if($.browser.msie) {
		$('#jquery-lightbox').css({top:arrPageScroll[1]+(arrPageSizes[3]/10),left:arrPageScroll[0]});
	}  else {
		$('#jquery-lightbox').css({top:(arrPageSizes[3]/10),left:arrPageScroll[0]});
	};
	$('#jquery-overlay,#jquery-lightbox').click(function(){_finish();});
	$('#lightbox-loading,#lightbox-secNav-btnClose').click(function(){_finish();return false;});
	$(window).resize(function(){
		var arrPageSizes=___getPageSize();
		$('#jquery-overlay').css({width:arrPageSizes[0],height:arrPageSizes[1]});
		var arrPageScroll=___getPageScroll();
		if($.browser.msie) {
			$('#jquery-lightbox').css({top:arrPageScroll[1]+(arrPageSizes[3]/10),left:arrPageScroll[0]});
		}  else {
			$('#jquery-lightbox').css({top:(arrPageSizes[3]/10),left:arrPageScroll[0]});
		};
	});
}

function _set_image_to_view(){
	$('#lightbox-loading').show();
	$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
	var objImagePreloader=new Image();
	objImagePreloader.onload=function(){
		$('#lightbox-image').attr('src',settings.imageArray[settings.activeImage][0]);
		_resize_container_image_box(objImagePreloader.width,objImagePreloader.height);
		objImagePreloader.onload=function(){};
	};
	objImagePreloader.src=settings.imageArray[settings.activeImage][0];
};
function _resize_container_image_box(intImageWidth,intImageHeight){
	var intCurrentWidth=$('#lightbox-container-image-box').width();
	var intCurrentHeight=$('#lightbox-container-image-box').height();
	var intWidth=(intImageWidth+(settings.containerBorderSize*2));
	if(settings.containerBorderSize > settings.containerHeaderSize){
		var intHeight=(intImageHeight+(settings.containerBorderSize*2));
	} else {
		var intHeight=(intImageHeight+(settings.containerBorderSize+settings.containerHeaderSize));
	};
	var intDiffW=intCurrentWidth-intWidth;
	var intDiffH=intCurrentHeight-intHeight;
	$('#lightbox-container-image-box').animate({width:intWidth,height:intHeight},settings.containerResizeSpeed,function(){_show_image();});if((intDiffW==0)&&(intDiffH==0)){if($.browser.msie){___pause(250);}else{___pause(100);}}
	$('#lightbox-container-image-data-box').css({width:intImageWidth});
//	$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({height:intImageHeight+(settings.containerBorderSize*2)});
	$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({'height':'100%'});
};
function _show_image(){
	$('#lightbox-loading').hide();
	$('#lightbox-image').fadeIn(function(){
		_show_image_data();
		_set_navigation();
	});
	_preload_neighbor_images();
};
function _show_image_data(){
	$('#lightbox-image-details-caption').hide();
	if(settings.imageArray[settings.activeImage][1]){
		$('#lightbox-image-details-caption').html(settings.imageArray[settings.activeImage][1]).show();
	}
	if(settings.imageArray.length>1 && settings.showNumbers){
		$('#lightbox-image-details-currentNumber').html(settings.txtImage+' '+(settings.activeImage+1)+' '+settings.txtOf+' '+settings.imageArray.length).show();
	}
	if((settings.imageArray.length>1 && settings.showNumbers) || settings.imageArray[settings.activeImage][1]){
		$('#lightbox-container-image-data-box').slideDown('fast');
	}
}

function _set_navigation(){
	$('#lightbox-nav').show();
	$('#lightbox-nav-btnPrev span,#lightbox-nav-btnNext span').css({'display':'none'});
	if(settings.activeImage!=0){
		$('#lightbox-nav-btnPrev').unbind().hover(function(){
			$("#lightbox-nav-btnPrev span").show();
		},function(){
			$("#lightbox-nav-btnPrev span").hide();
		}).show().bind('click',function(){
			settings.activeImage=settings.activeImage-1;
			_set_image_to_view();
			return false;
		});
	}			
	if(settings.activeImage!=(settings.imageArray.length-1)){
		$('#lightbox-nav-btnNext').unbind().hover(function(){
			$("#lightbox-nav-btnNext span").show();
		},function(){
			$("#lightbox-nav-btnNext span").hide();
		}).show().bind('click',function(){
			settings.activeImage=settings.activeImage+1;
			_set_image_to_view();
			return false;
		});
	}
	_enable_keyboard_navigation();
}
function _enable_keyboard_navigation(){
	$(document).keydown(function(objEvent){
		_keyboard_action(objEvent);
	});
}
function _disable_keyboard_navigation(){
	$(document).unbind();
}
function _keyboard_action(objEvent){
	if(objEvent==null){
		keycode=event.keyCode;escapeKey=27;
	}else{
		keycode=objEvent.keyCode;
		escapeKey=objEvent.DOM_VK_ESCAPE;
	}
	key=String.fromCharCode(keycode).toLowerCase();
	if((key==settings.keyToClose)||(key=='x')||(keycode==escapeKey)){
		_finish();
	}
	if((key==settings.keyToPrev)||(keycode==37)){
		if(settings.activeImage!=0){
			settings.activeImage=settings.activeImage-1;
			_set_image_to_view();
			_disable_keyboard_navigation();
		}
	}
	if((key==settings.keyToNext)||(keycode==39)){
		if(settings.activeImage!=(settings.imageArray.length-1)){
			settings.activeImage=settings.activeImage+1;
			_set_image_to_view();
			_disable_keyboard_navigation();
		}
	}
}
function _preload_neighbor_images(){
	if((settings.imageArray.length-1)>settings.activeImage){
		objNext=new Image();
		objNext.src=settings.imageArray[settings.activeImage+1][0];
	}
	if(settings.activeImage>0){
		objPrev=new Image();
		objPrev.src=settings.imageArray[settings.activeImage-1][0];
	}
}
function _finish(){
	$('#jquery-lightbox').remove();
	$('#jquery-overlay').fadeOut(function(){
		$('#jquery-overlay').remove();
	});
	$('embed, object, select').css({'visibility':'visible'});
}
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
	){
		xScroll=document.body.scrollWidth;
		yScroll=document.body.scrollHeight;
	}else{
		xScroll=document.body.offsetWidth;
		yScroll=document.body.offsetHeight;
	}
	var windowWidth,windowHeight;
	if(self.innerHeight){
		if(document.documentElement.clientWidth){
			windowWidth=document.documentElement.clientWidth;
		}else{
			windowWidth=self.innerWidth;
		}
		windowHeight=self.innerHeight;
	}else if(document.documentElement&&document.documentElement.clientHeight){
		windowWidth=document.documentElement.clientWidth;
		windowHeight=document.documentElement.clientHeight;
	}else if(document.body){
		windowWidth=document.body.clientWidth;windowHeight=document.body.clientHeight;
	}
	if(yScroll<windowHeight){
		pageHeight=windowHeight;
	}else{
		pageHeight=yScroll;
	}
	if(xScroll<windowWidth){
		pageWidth=xScroll;
	}else{
		pageWidth=windowWidth;
	}
	arrayPageSize=new Array(pageWidth,pageHeight,windowWidth,windowHeight);
	return arrayPageSize;
};

function ___getPageScroll(){
	var xScroll,yScroll;
	if(self.pageYOffset){
		yScroll=self.pageYOffset;
		xScroll=self.pageXOffset;
	}else if(document.documentElement&&document.documentElement.scrollTop){
		yScroll=document.documentElement.scrollTop;
		xScroll=document.documentElement.scrollLeft;
	}else if(document.body){
		yScroll=document.body.scrollTop;
		xScroll=document.body.scrollLeft;
	}
arrayPageScroll=new Array(xScroll,yScroll);
return arrayPageScroll;
};

function ___pause(ms){
	var date=new Date();
	curDate=null;
	do{var curDate=new Date();}
	while(curDate-date<ms);
};
return this.unbind('click').click(_initialize);
};
})(jQuery);