drafts

main file:

at top: <?php
if($_GET['draft']==1){
$draft=1;
$filepath = "drafts/draft.dat";
$msg = file_get_contents($filepath);
}
?>

in header: <script src="myscripts.js"></script>

in body: <textarea id="msg" name="writing" cols="55" rows="7"><?php if($draft==1){ echo $msg; } ?></textarea><input type="submit" value="Post it"/> <a href="#" onclick="sendMsg()">Save draft</a> | <a href="home.php?draft=1">Load draft</a>

javascript file (myscripts.js)

function sendMsg()
{
var str = document.getElementById("msg").value;
document.getElementById("msg").value = "Draft saved!";
showHint(str);
document.getElementById('chatframe').contentWindow.location.reload()
}
function showHint(str)
{
var xmlhttp;
if (str.length==0)
  {
  document.getElementById("txtHint").innerHTML="";
  return;
  }
if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else
  {// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
    document.getElementById("msg").innerHTML="";
    }
  }
xmlhttp.open("GET","savedraft.php?q="+str,true);
xmlhttp.send();
}

savedraft.php file

<?php
$msg=$_GET['q'];
$filepath = "drafts/draft.dat";
file_put_contents($filepath,$msg);
?>