Web chat application in php and html No javascript!

So… Today I created a chat application for web designers that dindn’t use javascript or ajax but only html and php. So… I created an index.php file where in an iframe I included the afisare.html file were the conversation is stored to display it, and a form to send new phrases. The form action is chat.php that contain a php script that write in afisare.html all the conversations.
HERE is the link if you want to download it!