// posouvani pozadi v body o 1px
 
/*var jBrowser = $.browser;*/
function fixBg(){
  
  
  
  if ($("body").width() % 2 > 0) {
    
      
    bgpos = (document.body.scrollWidth / 2) - (994 / 2);
    
      if ($.browser.firefox && $.browser.versionX == 3) {
        bgpos = (document.body.scrollWidth / 2) - (994 / 2) -6;
         //alert('Pouzivate FF verze 3');
      } else
      if ($.browser.firefox && $.browser.versionX < 3) {
        bgpos = (document.body.scrollWidth / 2) - (994 / 2) -1;
       // alert('Pouzivate FF verze nizsi nez 3');
      } else
      {
        bgpos = (document.body.scrollWidth / 2) - (994 / 2) -6;
      }
      
      $("body").css("background-position", (bgpos+"px 0px"));
      $("body").css("background-repeat", "repeat-y");
    }
    else {
      $("body").css("background-position", "center");
    }
}

window.onresize = function(){
  fixBg();
}

fixBg();  
  
  
  
$(document).ready(function(){
  fixBg();
});
  
  
  
/* lightbox gallery */

$(document).ready(function() {

	$('.galerie a, .vizualizace a, .minimapa a, .body_texy2 a, a.lightbox, .fotky a').lightBox({
     fixedNavigation:true,
     imageLoading: '/repository/js/lightbox/images/lightbox-ico-loading2.gif',
     imageBtnClose: '/repository/js/lightbox/images/lightbox-btn-close.gif',
     imageBtnPrev: '/repository/js/lightbox/images/lightbox-btn-prev.gif',
     imageBtnNext: '/repository/js/lightbox/images/lightbox-btn-next.gif'
    });


/* hover vysvetlivky */
  
    $("span.cotoje").hover(
        function () {
          $(this).addClass("cotojepopis");  
        },
        function () { 
          $(this).removeClass("cotojepopis"); 
        }
    );
    
    $('fieldset.fieldset a').addClass("popup");
    $('fieldset.download a').addClass("popup");


/* hover vysvetlivky */
  
    $("div.galerie").hover(
        function () {
          $(this).addClass("hover");  
        },
        function () { 
          $(this).removeClass("hover"); 
        }
    );
    
});

// "javascript bez javascriptu" - otevirani odkazu v novem okne - v html pro odkaz pouzijeme class="popup"

function aktualizujOdkazy() {
  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);
      }
    }
  }
}
window.onload=aktualizujOdkazy;