function externalLinks() { 
 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") == "external") 
     anchor.target = "_blank"; 
 } 

fancyBoxInit();
}

function fancyBoxInit() {

    $("a.thickbox").fancybox({   
        'titlePosition' : 'inside',     
        'transitionIn'    : 'elastic',
        'transitionOut'    : 'elastic'
    });

    $("a.pano").fancybox({   
		'width': 850,
		'height': 550,
        'titlePosition' : 'inside',     
        'transitionIn'    : 'elastic',
        'transitionOut'    : 'elastic'
    });
    

    $("a.thickbox[rel=gallery]").fancybox({
        'transitionIn'        : 'elastic',
        'transitionOut'        : 'elastic',
        'titlePosition'     : 'inside',        
        'titleFormat'        : function(title, currentArray, currentIndex, currentOpts) {
            return '<span id="fancybox-title-inside">Obrázek ' + (currentIndex + 1) + ' / ' + currentArray.length + (title.length ? ' &nbsp; ' + title : '') + '</span>';
        }

    });
}

window.onload = externalLinks;