var
      left, top;

    function show(path, pict){
      window.open("window.php?path=" + path + "&pict=" + pict, "pict", "width=860,height=645,left=50,top=50,location=0,menubar=0,personalbar=0,status=0");
    }

    function checkemail(mail){
      var testresults;
      var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;

      if (filter.test(mail))
        testresults=true;
      else
        testresults=false;

      return testresults;
    }

    function validateContact(){
      var pass = true;

      msg = '';

      if (document.contactform.cmeno.value == '' || document.contactform.csprava.value == '' || document.contactform.ckontakt.value.search("@") == -1 )
        msg = "Správa nemôže byť odoslaná. Skontrolujte prosím, či je formulár kompletný a správne vyplnený."

      if (msg != ""){
        alert (msg);
        pass = false;
      }

      return pass;
    }