<?php
   $pw="test";
   $nick="test";
   if($_POST['inputpw']!=$pw and $_POST['inputname']!=$nick){
      echo "<form action=\"?\" method=\"post\">";
      echo "Nick ";
      echo "<input type=\"name\" name=\"inputname\"> ";
      echo "Password ";
      echo "<input type=\"password\" name=\"inputpw\"> ";
      echo "<input type=\"submit\" value=\"login\"></form>";
   }
   else {
?>