Odesilani emailu offline

<script language="javascript" type="text/javascript">
     function tiktak()
     {
      var cas=new Date()
      var hodina=cas.getHours()
      var minuta=cas.getMinutes()
      var sekunda=cas.getSeconds()

      if (minuta<10)
      {
       minuta="0"+minuta
      }

      if (sekunda<10)
      {
        sekunda="0"+sekunda
      }

      document.zobraz.hodiny.value=hodina+":"+minuta+":"+sekunda
      setTimeout("tiktak()",1000)

      if(hodina == "17" && minuta == "20" && sekunda == "00")
      {
       <?php
        include"pripojeni.php";
        $datum=Date("m-d");
        $den=Date("d");
        $mesic=Date("m");
        $_='<br>';
        
        $overeni="SELECT datum, jmeno, prijmeni FROM registrace WHERE SUBSTRING(datum,6) = '".$datum."'";
        $dotaz=$db -> query($overeni);

        while($row = $dotaz ->fetch_assoc())
        {
          if($dotaz->num_rows > 0)
          {
            $cil="Nuimi@seznam.cz";
            $predmet = "Narozeniny";
            $odesilatel = "Charita Jičín";
            $zahlavi = "MIME-Version: 1.0\r\n";
            $zahlavi .= "Content-type: text/html; charset=\"utf-8\"\r\n";;
            $zahlavi .= "From: Charita Jicin\r\n";
            $text ="Dnes má narozeniny ".$row['jmeno']." ".$row['prijmeni']."\r\n";
            mail($cil, $predmet, $text, $zahlavi);
          }
        }
        
        $overeni1="SELECT registrace.jmeno AS 'jmeno1', svatky.jmeno AS 'jmeno2', prijmeni FROM registrace LEFT JOIN svatky ON registrace.jmeno=svatky.jmeno WHERE den=".$den." AND mesic=".$mesic."";
        $dotaz1=$db -> query($overeni1); 
        
        while($row1 = $dotaz1 ->fetch_assoc())
        {
          if($row1['jmeno1'] == $row1['jmeno2'])
          {
            $cil="Nuimi@charitajicin.cz";
            $predmet = "Svátek";
            $odesilatel = "Charita Jičín";
            $zahlavi = "MIME-Version: 1.0\r\n";
            $zahlavi .= "Content-type: text/html; charset=\"utf-8\"\r\n";;
            $zahlavi .= "From: Charita Jicin\r\n";
            $text ="Dnes má svátek ".$row1['jmeno1']." ".$row1['prijmeni']."\r\n";
            mail($cil, $predmet, $text, $zahlavi);
          }
        }
       ?>
      }
     }
     tiktak()
    </script>