/**
   *  WEB CENTERING
   */

function setWebPosition(){

    var docHeight = $(document).height();
    var webHeight = $("#web").height();
    topPos = ( docHeight - webHeight ) / 2;
//    $("h2").after().html("dokument ma "+docHeight+" px a web ma "+webHeight+"px, posun bude "+topPos+"px.");
    $("#web").css("top", topPos+"px");

}
    
$(document).ready(function(){

  setWebPosition();

// 	$('a.lightbox').lightBox({fixedNavigation:true});


  $("#menu ul li ul").css("display", "none");
 	

    $("#menu ul li a").click(function() {
    
 	    var url = $(this).attr("href");
 	    if(url == undefined){
      
          $(this).next("ul").slideToggle();
      
      }
    });
    

});

$(window).resize(function() {

  setWebPosition();
  
});