/**
*jQuery Lightbox
*Version 0.5-11/29/2007
*@author Warren Krewenki
*
*Based on Lightbox 2 by Lokesh Dhakar (http://www.huddletogether.com/projects/lightbox2/)
*Originally written to make use of the Prototype framework, and Script.acalo.us, now altered to use jQuery.
*
**/

(function($){var opts;$.fn.lightbox=function(options){opts=$.extend({}, $.fn.lightbox.defaults, options);$.fn.lightbox.initialize();return this.each(function(){$(this).click(function(){$(this).lightbox.start(this);return false;});});};$.fn.lightbox.initialize=function(){$('#overlay').remove();$('#lightbox').remove();opts.inprogress=false;var outerImage='<div id="outerImageContainer"><div id="imageContainer"><img id="lightboxImage"><div id="hoverNav"><a href="javascript://" title="'+opts.strings.prevLinkTitle+'" id="prevLink"></a><a href="javascript://" id="nextLink" title="'+opts.strings.nextLinkTitle+'"></a></div><div id="loading"><a href="javascript://" id="loadingLink"><img src="'+opts.fileLoadingImage+'"></a></div></div></div>';var imageData='<div id="imageDataContainer" class="clearfix"><div id="imageData"><div id="imageDetails"><span id="caption"></span><span id="numberDisplay"></span></div><div id="bottomNav">';if(opts.displayHelp){imageData+='<span id="helpDisplay">'+opts.strings.help+'</span>';};imageData+='<a href="javascript://" id="bottomNavClose" title="'+opts.strings.closeTitle+'"><img src="'+opts.fileBottomNavCloseImage+'"></a></div></div></div>';var string;if(opts.navbarOnTop){string='<div id="overlay"></div><div id="lightbox">'+imageData+outerImage+'</div>';$("body").append(string);$("#imageDataContainer").addClass('ontop');}else{string='<div id="overlay"></div><div id="lightbox">'+outerImage+imageData+'</div>';$("body").append(string);};$("#overlay").click(function(){$.fn.lightbox.end(); }).hide();$("#lightbox").click(function(){$.fn.lightbox.end();}).hide();$("#loadingLink").click(function(){$.fn.lightbox.end(); return false;});$("#bottomNavClose").click(function(){$.fn.lightbox.end();return false;});$('#outerImageContainer').width(opts.widthCurrent).height(opts.heightCurrent);$('#imageDataContainer').width(opts.widthCurrent);};$.fn.lightbox.getPageSize=function(){var xScroll, yScroll;if(window.innerHeight && window.scrollMaxY){xScroll=window.innerWidth+window.scrollMaxX;yScroll=window.innerHeight+window.scrollMaxY;}else if(document.body.scrollHeight>document.body.offsetHeight){xScroll=document.body.scrollWidth;yScroll=document.body.scrollHeight;}else{xScroll=document.body.offsetWidth;yScroll=document.body.offsetHeight;};var windowWidth, windowHeight;if(self.innerHeight){if(document.documentElement.clientWidth){windowWidth=document.documentElement.clientWidth;}else{windowWidth=self.innerWidth;};windowHeight=self.innerHeight;}else if(document.documentElement && document.documentElement.clientHeight){windowWidth=document.documentElement.clientWidth;windowHeight=document.documentElement.clientHeight;}else if(document.body){windowWidth=document.body.clientWidth;windowHeight=document.body.clientHeight;};if(yScroll<windowHeight){pageHeight=windowHeight;}else{pageHeight=yScroll;};if(xScroll<windowWidth){pageWidth=xScroll;}else{pageWidth=windowWidth;};var arrayPageSize=new Array(pageWidth,pageHeight,windowWidth,windowHeight);return arrayPageSize;};$.fn.lightbox.getPageScroll=function(){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;};var arrayPageScroll=new Array(xScroll,yScroll);return arrayPageScroll;};$.fn.lightbox.pause=function(ms){var date=new Date();var curDate=null;do{curDate=new Date();}while( curDate-date<ms);};$.fn.lightbox.start=function(imageLink){$("select, embed, object").css({"visibility":"hidden"});$("select, embed, object").hide();var arrayPageSize=$.fn.lightbox.getPageSize();$("#overlay").hide().css({width:'100%', height:arrayPageSize[1]+'px', opacity:opts.overlayOpacity}).fadeIn();opts.imageArray=[];imageNum=0;var anchors=document.getElementsByTagName( imageLink.tagName);if(!imageLink.rel || (imageLink.rel=='')){opts.imageArray.push(new Array(imageLink.href, opts.displayTitle ? imageLink.title:''));}else{$("a").each(function(){if(this.href && (this.rel==imageLink.rel)){opts.imageArray.push(new Array(this.href, opts.displayTitle ? this.title:''));};});for(i=0;i<opts.imageArray.length;i++){for(j=opts.imageArray.length-1;j>i;j--){if(opts.imageArray[i][0]==opts.imageArray[j][0]){opts.imageArray.splice(j,1);};};};while(opts.imageArray[imageNum][0] != imageLink.href){ imageNum++;}};var arrayPageScroll=$.fn.lightbox.getPageScroll();var lightboxTop=arrayPageScroll[1]+(arrayPageSize[3]/10);var lightboxLeft=arrayPageScroll[0];$('#lightbox').css({top:lightboxTop+'px', left:lightboxLeft+'px'}).show();if(!opts.slideNavBar){$('#imageData').hide();};$.fn.lightbox.changeImage(imageNum);};$.fn.lightbox.changeImage=function(imageNum){if(opts.inprogress==false){opts.inprogress=true;opts.activeImage=imageNum;$('#loading').show();$('#lightboxImage').hide();$('#hoverNav').hide();$('#prevLink').hide();$('#nextLink').hide();if(opts.slideNavBar){$('#imageDataContainer').hide();$('#imageData').hide();$.fn.doChangeImage();}else{$.fn.doChangeImage();};};};$.fn.doChangeImage=function(){imgPreloader=new Image();imgPreloader.onload=function(){var newWidth=imgPreloader.width;var newHeight=imgPreloader.height;if(opts.fitToScreen){var arrayPageSize=$.fn.lightbox.getPageSize();var ratio;var initialPageWidth=arrayPageSize[2]-2*opts.borderSize;var initialPageHeight=arrayPageSize[3]-200;if(imgPreloader.height>initialPageHeight){newWidth=parseInt((initialPageHeight/imgPreloader.height)*imgPreloader.width);newHeight=initialPageHeight;}else if(imgPreloader.width>initialPageWidth){newHeight=parseInt((initialPageWidth/imgPreloader.width)*imgPreloader.height);newWidth=initialPageWidth;};};$('#lightboxImage').attr('src', opts.imageArray[opts.activeImage][0]).width(newWidth).height(newHeight);$.fn.lightbox.resizeImageContainer(newWidth, newHeight);};imgPreloader.src=opts.imageArray[opts.activeImage][0];};$.fn.lightbox.end=function(){$.fn.lightbox.disableKeyboardNav();$('#lightbox').hide();$('#overlay').fadeOut();$('select, object, embed').show();};$.fn.lightbox.preloadNeighborImages=function(){if((opts.imageArray.length-1)>opts.activeImage){preloadNextImage=new Image();preloadNextImage.src=opts.imageArray[opts.activeImage+1][0];};if(opts.activeImage>0){preloadPrevImage=new Image();preloadPrevImage.src=opts.imageArray[opts.activeImage-1][0];};};$.fn.lightbox.keyboardAction=function(e){if(e==null){var keycode=event.keyCode;

var escapeKey=27;

}else{var keycode=e.keyCode;var escapeKey=e.DOM_VK_ESCAPE;};var key=String.fromCharCode(keycode).toLowerCase();if((key=='x') || (key=='o') || (key=='c') || (keycode==escapeKey)){$.fn.lightbox.end();

} else if((key=='p') || (keycode==37)){
	
if(opts.activeImage != 0){$.fn.lightbox.disableKeyboardNav();$.fn.lightbox.changeImage(opts.activeImage-1);};

} else if((key=='n') || (keycode==39)){
	
if(opts.activeImage != (opts.imageArray.length-1)){$.fn.lightbox.disableKeyboardNav();$.fn.lightbox.changeImage(opts.activeImage+1);};};};$.fn.lightbox.resizeImageContainer=function(imgWidth, imgHeight){opts.widthCurrent=document.getElementById('outerImageContainer').offsetWidth;opts.heightCurrent=document.getElementById('outerImageContainer').offsetHeight;var widthNew=(imgWidth +(opts.borderSize*2));var heightNew=(imgHeight +(opts.borderSize*2));opts.xScale=( widthNew/opts.widthCurrent)*100;opts.yScale=( heightNew/opts.heightCurrent)*100;wDiff=opts.widthCurrent-widthNew;hDiff=opts.heightCurrent-heightNew;$('#imageDataContainer').animate({width:widthNew},opts.resizeSpeed,'linear');$('#outerImageContainer').animate({width:widthNew},opts.resizeSpeed,'linear',function(){$('#outerImageContainer').animate({height:heightNew},opts.resizeSpeed,'linear',function(){$.fn.lightbox.showImage();});});if((hDiff==0) && (wDiff==0)){if(jQuery.browser.msie){$.fn.lightbox.pause(250); }else{$.fn.lightbox.pause(100);}};$('#prevLink').height(imgHeight);$('#nextLink').height(imgHeight);};$.fn.lightbox.showImage=function(){$('#loading').hide();$('#lightboxImage').fadeIn("fast");$.fn.lightbox.updateDetails();$.fn.lightbox.preloadNeighborImages();opts.inprogress=false;};$.fn.lightbox.updateDetails=function(){if(opts.imageArray[opts.activeImage][1]){$('#caption').html(opts.imageArray[opts.activeImage][1]).show();};if(opts.imageArray.length>1){var nav_html;nav_html=opts.strings.image+(opts.activeImage+1)+opts.strings.of+opts.imageArray.length;if((opts.activeImage)>0){nav_html='<a title="'+opts.strings.prevLinkTitle+'" href="#" id="prevLinkText">'+opts.strings.prevLinkText+"</a>"+nav_html;};if((opts.activeImage+1)<opts.imageArray.length){nav_html+='<a title="'+opts.strings.nextLinkTitle+'" href="#" id="nextLinkText">'+opts.strings.nextLinkText+"</a>";};$('#numberDisplay').html(nav_html).show();};if(opts.slideNavBar){$("#imageData").slideDown(opts.navBarSlideSpeed);}else{$("#imageData").show();};var arrayPageSize=$.fn.lightbox.getPageSize();$('#overlay').height(arrayPageSize[1]);$.fn.lightbox.updateNav();};$.fn.lightbox.updateNav=function(){$('#hoverNav').show();if(opts.activeImage != 0){$('#prevLink,#prevLinkText').show().click(function(){$.fn.lightbox.changeImage(opts.activeImage-1); return false;});};if(opts.activeImage != (opts.imageArray.length-1)){$('#nextLink,#nextLinkText').show().click(function(){$.fn.lightbox.changeImage(opts.activeImage +1);return false;});};$.fn.lightbox.enableKeyboardNav();};$.fn.lightbox.enableKeyboardNav=function(){document.onkeydown=$.fn.lightbox.keyboardAction;};$.fn.lightbox.disableKeyboardNav=function(){document.onkeydown='';};$.fn.lightbox.defaults={
	
fileLoadingImage:'lightbox/css/loading.gif',
fileBottomNavCloseImage:'lightbox/css/close.gif',
overlayOpacity:0.9,
borderSize:10,
imageArray:new Array,
activeImage:null,
inprogress:false,
resizeSpeed:350,
widthCurrent:800,
heightCurrent:600,
xScale:1,
yScale:1,
displayTitle:true,
navbarOnTop:false,
slideNavBar:false,
navBarSlideSpeed:350,
displayHelp:false,
strings:{
help:' \u2190/P-previous image\u00a0\u00a0\u00a0\u00a0\u2192/N-next image\u00a0\u00a0\u00a0\u00a0ESC/X-close image gallery',
prevLinkTitle:'předchozí obrázek',
nextLinkTitle:'další obrázek',
prevLinkText: '&laquo; Předchozí ',
nextLinkText: ' Další &raquo;',
closeTitle:'zavřít obrázkovou galerii',
image:'Obrázek ',
of:' z '
},
fitToScreen:false

};})(jQuery);