function vyprazdni_jmeno() {
      if(document.forms.admin.logid.value=="Přihlašovací jméno") {
          document.forms.admin.logid.value="";
      }
  }

  function vyprazdni_heslo() {
      if(document.forms.admin.logkey.value=="heslo") {
          document.forms.admin.logkey.value="";
      }
  }
   
  function puvodnihodnoty() {
      document.forms.admin.logid.value="Přihlašovací jméno";
      document.forms.admin.logkey.value="heslo";
  }
   
  admindetail=null;
  
  function adminopen() {
    admindetail=window.open("","adminwin","menubar=0,toolbar=0,location=0,status=0,width=800,height=600,scrollbars=yes,resizable");
    casovac=window.setTimeout("puvodnihodnoty()",3000);
  }

  function otevriregistraci() {
      window.location.href = "?menu=fce&cont=registrace";  
  }

  function rolovat() {
      window.scroll(0,320);
  }


  kaldetail=null;
  function kalopen() {
    kaldetail=window.open("","kalwin","toolbar=0,location=0,width=230,height=230,scrollbars=no,resizable=yes");
  }

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

        if (links[i].className.match("oknokalendare")) {
            links[i].onclick = function() {
                return !window.open(this.href,"kalwin","toolbar=0,location=0,width=230,height=250,scrollbars=no,resizable=yes");
            }
        }


        if (links[i].className.match("oknopalety")) {
            links[i].onclick = function() {
                return !window.open(this.href,"kalwin","toolbar=0,location=0,width=150,height=100,scrollbars=no,resizable=yes");
            }
        }
    }
    return true;
}
window.onload = popupOdkazy;