function HookPopupLinks() {
  if (!document.getElementsByTagName) return false;
  var links = document.getElementsByTagName("a");
  for (var i=0; i < links.length; i++) {
    if (links[i].className.match("popup")) {
      links[i].onclick = function() { return !window.open(this.href); }
    }
  }
  return true;
}

window.onload = HookPopupLinks;

var ModalImage={};
ModalImage.background="silver";
ModalImage.opacity=0.7;
ModalImage.imageBorder="";
ModalImage.imageBoxStyle="padding: 5px;background:white;border:solid 1px gray;";
ModalImage.text="Zavřít";
ModalImage.textStyle="color:darkred;text-align: right;text-decoration: underline;";
ModalImage.loaderColors=['white'];
ModalImage.loaderOpacities=[1];
ModalImage.loaderBull=['\u2022'];
ModalImage.loaderBullSize=[42,38,36,34];
ModalImage.loaderRadius=20;
ModalImage.loaderSpeed=120;
ModalImage.IE=((navigator.userAgent.toLowerCase().indexOf("opera")==-1)&&navigator.appName=="Microsoft Internet Explorer")?true:false;
ModalImage.open=function(el){if(ModalImage.IE){s=navigator.appVersion;a = s.indexOf("MSIE");b = s.indexOf(";",a);var IEversion = parseFloat(s.substring(a+4,b))}if(ModalImage.IE&&IEversion<6)return true;var p=document.createElement('div');ModalImage.parent=p;var bg=document.createElement('div');document.body.appendChild(p);p.appendChild(bg);bg.style.cssText="position:absolute;z-index:1000;background:"+ModalImage.background+";opacity:"+ModalImage.opacity+";filter:alpha(opacity="+(ModalImage.opacity*100)+")";ModalImage.placeBg(bg);bg.onclick=function(){return history.back()};var imgbox=document.createElement('div');p.appendChild(imgbox);imgbox.style.cssText="top:0;left:0;position:absolute;visibility:hidden;" + ModalImage.imageBoxStyle +";z-index:1000;cursor:pointer;_curosr:hand;" + ModalImage.textStyle;var img=document.createElement('img');img.style.cssText="margin:0 0 5px 0;display:block;border:"+ModalImage.imageBorder;imgbox.appendChild(img);imgbox.appendChild(document.createTextNode(ModalImage.text));var loading=ModalImage.loader(p,bg,ModalImage.loaderColors,ModalImage.loaderOpacities,ModalImage.loaderRadius,ModalImage.loaderBull,ModalImage.loaderBullSize);img.onload=function(){ModalImage.loaded(imgbox,bg,loading)};imgbox.onclick=function(){return history.back()};img.src=el.href;window.onresize=function(){ModalImage.placeBg(bg);ModalImage.placeImgBox(imgbox,bg)};window.onscroll=function(){ModalImage.placeBg(bg)};ModalImage.History.add(ModalImage.close);return false};
ModalImage.close=function(){var el=ModalImage.parent;el.parentNode.removeChild(el);window.onresize=null;window.onscroll=null;return false};
ModalImage.loaded=function(img,bg,loader){ModalImage.placeImgBox(img,bg);if(loader!=null)ModalImage.stopLoader(loader);var fce=function(){img.style.visibility="visible"};setTimeout(fce,1)};
ModalImage.placeImgBox=function(img,bg){var middle={x:bg.offsetWidth/2,y:bg.offsetHeight/2};var size={x:img.offsetWidth/2,y:img.offsetHeight/2};var x=bg.offsetLeft+middle.x-size.x;var y=bg.offsetTop+middle.y-size.y;if(x<0)x=0;if(y<0)y=0;img.style.top=y+"px";img.style.left=x+"px"};
ModalImage.placeBg=function(bg){var scrolled=(window.pageXOffset==undefined)?{x:document.documentElement.scrollLeft,y:document.documentElement.scrollTop}:{x:window.pageXOffset,y:window.pageYOffset};bg.style.width=0;bg.style.height=0;var winsize=(window.innerHeight==undefined)?{x:document.documentElement.clientWidth+'px',y:document.documentElement.clientHeight+'px'}:{x:'100%',y:'100%'};bg.style.top=scrolled.y+'px';bg.style.left=scrolled.x+'px';bg.style.width=winsize.x;bg.style.height=winsize.y;};
ModalImage.loader=function(p,bg,color,opacity,radius,bull,bullsize){var lp=document.createElement('div');lp.id="ModalImage-Loader";p.appendChild(lp);var fi=Math.PI/2,loader=[];var middle={x:bg.offsetWidth/2,y:bg.offsetHeight/2};for(var i=0;i<8;i++){loader[i]=document.createElement('div');var c=(color[i])?color[i]:color[color.length-1];var o=(opacity[i])?opacity[i]:opacity[opacity.length-1];var s=(bullsize[i])?bullsize[i]:bullsize[bullsize.length-1];loader[i].style.cssText="position:absolute;z-index:1001;color:"+c+";font:bold "+s+"px/"+bullsize[0]+"px arial,sans-serif;opacity:"+o+";filter:alpha(opacity="+(o*100)+");text-align:center;width:"+bullsize[0]+"px;height:"+bullsize[0]+"px;cursor:default";lp.appendChild(loader[i]);var b=(bull[i])?bull[i]:bull[bull.length-1];loader[i].innerHTML=b;};var loading;var fce=function(){fi=fi-Math.PI/4;for(var i=0;i<8;i++){var y=Math.cos(fi+Math.PI/4*i);var x=Math.sin(fi+Math.PI/4*i);if(!ModalImage.IE)loader[i].style.visibility='hidden';loader[i].style.top=bg.offsetTop+middle.y+radius*y+'px';loader[i].style.left=bg.offsetLeft+middle.x+radius*x+'px';if(!ModalImage.IE)loader[i].style.visibility='visible';}loading=setTimeout(fce,ModalImage.loaderSpeed)};fce();return loading;};
ModalImage.stopLoader=function(loader){clearTimeout(loader);var lp=document.getElementById("ModalImage-Loader");if(lp)lp.parentNode.removeChild(lp);};
ModalImage.History={};ModalImage.History.hash="__";ModalImage.History.previousHash="";ModalImage.History.interval=null;ModalImage.History.iframe=null;ModalImage.History.iframeDOM=null;ModalImage.History.undoFunction=null;ModalImage.History.add=function(undoFunction){ModalImage.History.undoFunction=undoFunction;if(ModalImage.IE){ModalImage.History.initIE();ModalImage.History.iframe.src="";ModalImage.History.iframe.document.open();ModalImage.History.iframe.document.write("<html><body><script>window.onbeforeunload=function(){try{top.ModalImage.History.back();}catch(e){}}</scr"+"ipt></body></html>");ModalImage.History.iframe.document.close();}else{ModalImage.History.previousHash=window.location.hash.replace(/^#/,"");window.location.hash=(ModalImage.History.previousHash!=ModalImage.History.hash)?ModalImage.History.hash:ModalImage.History.hash+"_";ModalImage.History.interval=window.setInterval(ModalImage.History.check,200);ModalImage.History.initOpera();}};ModalImage.History.check=function(){if(window.location.hash.replace(/^#/,"")==ModalImage.History.previousHash){ModalImage.History.undoFunction();ModalImage.History.remove();}};ModalImage.History.remove=function(){window.clearInterval(ModalImage.History.interval);};ModalImage.History.initOpera=function(){if(navigator.userAgent.toLowerCase().indexOf('opera')!=-1){var i=document.createElement('img');i.src="javascript:location.href=\'javascript:ModalImage.History.check();\';";i.style.cssText="position: absolute; top: -1000px; left: -1000px; width: 1px; height: 1px;";document.body.appendChild(i);}};ModalImage.History.initIE=function(){var i=document.createElement('iframe');document.body.appendChild(i);i.style.cssText="position: absolute; top: -1000px; left: -1000px; width: 1px; height: 1px;";ModalImage.History.iframeDOM=i;ModalImage.History.iframe=window.frames[window.frames.length-1];ModalImage.History.iframe.src="";ModalImage.History.iframe.document.open();ModalImage.History.iframe.document.write("a");ModalImage.History.iframe.document.close();};ModalImage.History.back=function(){ModalImage.History.undoFunction();if(ModalImage.IE)ModalImage.History.deleteIframe();};ModalImage.History.deleteIframe=function(){var i=ModalImage.History.iframeDOM;if(i)i.parentNode.removeChild(i);};