<?php
  session_start();
  // Use $HTTP_SESSION_VARS with PHP 4.0.6 or less
  if (!isset($_SESSION['htmldata'])) 
  {
  	$_SESSION['htmldata'] = $_POST["generateddata"];
  } 
  else 
  {
  	$_SESSION['htmldata'] = $_POST["generateddata"];
  }
  echo $_SESSION['htmldata'];