comet.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Comet demo</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> </head> <body> Server Data: <span id="content" style="color:red">server data will be shown here</span> <script type="text/javascript"> function comet_update(value) { document.getElementById("content").innerHTML = value; }; </script> <iframe id="comet_iframe" name="comet_iframe" src="comet" style="width:1px;height:1px;position:absolute;top:-1000px"></iframe> </body> </html>