Miscellany

<html>

<head>

<script type="text/javascript">
function read_iframe() {
  var iframe=document.getElementById("testframe");
  var doc = iframe.contentDocument;

//  doc.open();
 // doc.write = "callback success";
//  doc.close();
alert("doc contains: " + iframe.contentWindow.document.body.innerhtml);
}
</script>
</head>


<body onLoad="read_iframe();">
<iframe allowtransparency=true frameborder=0 id="testframe" src ="hello.txt" > </iframe>
</body>
</html>