{var loadingImage="/media/lightbox/loading.gif";var closeButton="/media/lightbox/close.gif";function getPageScroll(){var yScroll;if(self.pageYOffset){yScroll=self.pageYOffset;}else{if(document.documentElement&&document.documentElement.scrollTop){yScroll=document.documentElement.scrollTop;}else{if(document.body){yScroll=document.body.scrollTop;}}}arrayPageScroll=new Array("",yScroll);return arrayPageScroll;}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){xScroll=document.body.scrollWidth;yScroll=document.body.scrollHeight;}else{xScroll=document.body.offsetWidth;yScroll=document.body.offsetHeight;}}var 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showLightbox(objLink){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();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";}objOverlay.style.height=(arrayPageSize[1]+"px");objOverlay.style.display="block";imgPreload=new Image();imgPreload.onload=function(){objImage.src=objLink.href;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.innerHTML=objLink.getAttribute("title");}else{objCaption.style.display="none";}if(navigator.appVersion.indexOf("MSIE")!=-1){pause(250);}if(objLoadingImage){objLoadingImage.style.display="none";}selects=document.getElementsByTagName("select");for(i=0;i!=selects.length;i++){selects[i].style.visibility="hidden";}objLightbox.style.display="block";arrayPageSize=getPageSize();objOverlay.style.height=(arrayPageSize[1]+"px");listenKey();return false;};imgPreload.src=objLink.href;}function hideLightbox(){objOverlay=document.getElementById("overlay");objLightbox=document.getElementById("lightbox");objOverlay.style.display="none";objLightbox.style.display="none";selects=document.getElementsByTagName("select");for(i=0;i!=selects.length;i++){selects[i].style.visibility="visible";}document.onkeypress="";}function initLightbox(){if(!document.getElementsByTagName){return;}var anchors=document.getElementsByTagName("a");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;};}}var objBody=document.getElementsByTagName("body").item(0);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="90";objOverlay.style.width="100%";objBody.insertBefore(objOverlay,objBody.firstChild);var arrayPageSize=getPageSize();var arrayPageScroll=getPageScroll();var imgPreloader=new Image();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="150";objLoadingImageLink.appendChild(objLoadingImage);imgPreloader.onload=function(){};return false;};imgPreloader.src=loadingImage;var objLightbox=document.createElement("div");objLightbox.setAttribute("id","lightbox");objLightbox.style.display="none";objLightbox.style.position="absolute";objLightbox.style.zIndex="100";objBody.insertBefore(objLightbox,objOverlay.nextSibling);var objLink=document.createElement("a");objLink.setAttribute("href","#");objLink.setAttribute("title","Kliknutím zavřete obrázek");objLink.onclick=function(){hideLightbox();return false;};objLightbox.appendChild(objLink);var imgPreloadCloseButton=new Image();imgPreloadCloseButton.onload=function(){var objCloseButton=document.createElement("img");objCloseButton.src=closeButton;objCloseButton.setAttribute("id","closeButton");objCloseButton.style.position="absolute";objCloseButton.style.zIndex="200";objLink.appendChild(objCloseButton);return false;};imgPreloadCloseButton.src=closeButton;var objImage=document.createElement("img");objImage.setAttribute("id","lightboxImage");objLink.appendChild(objImage);var objLightboxDetails=document.createElement("div");objLightboxDetails.setAttribute("id","lightboxDetails");objLightbox.appendChild(objLightboxDetails);var objCaption=document.createElement("div");objCaption.setAttribute("id","lightboxCaption");objCaption.style.display="none";objLightboxDetails.appendChild(objCaption);var objKeyboardMsg=document.createElement("div");objKeyboardMsg.setAttribute("id","keyboardMsg");objKeyboardMsg.innerHTML="stiskni <a href=\"#\" onclick=\"hideLightbox(); return false;\"><kbd>x</kbd></a> pro zavření";objLightboxDetails.appendChild(objKeyboardMsg);}function addLoadEvent(func){var oldonload=window.onload;if(typeof window.onload!="function"){window.onload=func;}else{window.onload=function(){oldonload();func();};}}addLoadEvent(initLightbox);}