ช่วยแปลง code php เป็น javascript ให้หน่อยค่ะ ช่วยแปลง code php เป็น javascript ให้หน่อยค่ะ

<?php 
if(!isset($_POST['submit'])){ 
  show_form(); 
}else{ 
  //get message 
  if (isset($_POST['message'])){ 
     $mess = escapeshellcmd($_POST['message']); 
  }else{ 
     echo "no message"; 
     show_form(); 
     die(); 
  } 
  //$ip is the ip of your friends machine...you could build a db table or array to use the name entry to find the ip 
  if (isset($_POST['ip'])){ 
     $ip = escapeshellcmd($_POST['ip']); 
  }else{ 
     echo "no ip"; 
     show_form(); 
     die(); 
  } 
  echo "NET SEND $ip $mess"; 
  exec("NET SEND $ip $mess"); 

} 
function show_form() 
{ 
?> 
    <form method="POST" action="<?=$_SERVER['PHP_SELF'];?>"> 
    <table cellpading=2 cellspacing=2 border=2 width=50%> 
    <tr> 
    <td align=center valign=top> 
    <p>IP<br> 
    <input type="text" name="ip" size="20"></p> 
    </td> 
    </tr> 
    </table> 
    <table cellpading=2 cellspacing=2 border=2 width=50%> 
    <tr> 
    <td align=center valign=top> 
    <p>Message<br> 
    <textarea cols=40 rows=4 name="message"></textarea> 
    <p><input type="submit" name="submit" value="Send"></P> 
    </td> 
    </tr> 
    </table> 
<? 
} 
?>