//set new cookie
function setCookie(name, value, expires) {
           var date=new Date();
           //expiration time in seconds
           if(expires!=null) {
            date.setTime(date.getTime()+expires);
            document.cookie=name+ "=" +escape(value)+ "; expires=" +date.toGMTString() + "; path=/;";
           } else document.cookie=name+"="+escape(value);
          }

//get value of cookie
function getCookie(name) {
          var start;
          var end;
          if (document.cookie.length>0)
            {
            start=document.cookie.indexOf(name + "=");
            if (start!=-1)
              {
              start=start + name.length+1;
              end=document.cookie.indexOf(";",start);
              if (end==-1) end=document.cookie.length;
            return unescape(document.cookie.substring(start,end));
              }
            }
            // prvni prihlaseni, nastavím default aktivni leve a prave menu 
          setCookie('Picabo', "novinky" , 864000000);window.location.reload();
          setCookie('Picabo2', "oceneni" , 864000000);window.location.reload();
          return "";
          
          }

// vytvoreni pole levea prave menu
    var zalozky2 = new Array();
          zalozky2["oceneni"] = "oceneni";
          zalozky2["rekli-o-nas"] = "rekli-o-nas";
    var zalozky = new Array();
          zalozky["novinky"] = "novinky";
          zalozky["aktualni-projekty"] = "aktualni-projekty";
              
function zobrazZalozku(id, zalozky) 

    {
      for (var segment in zalozky) {
        if (document.getElementById(segment)) {
          if (segment == id) {
            document.getElementById(segment).style.display = 'block';
            document.getElementById('li_'+segment).className = 'aktivni';
            // ulozim do cookies leve nebo prave menu
            if (zalozky == zalozky2) {setCookie('Picabo2', id , 864000000); }
            else {setCookie('Picabo', id , 864000000); }
          }
          else {
            document.getElementById(segment).style.display = 'none';
            document.getElementById('li_'+segment).className = '';
          }
        }  
      }
      
    
    }