Re: Chat with php

Marco Tabini schrieb: > Simple trick (well, not so simple, but kind of a Columbus' Egg): > > 1) Create an <img> tag in your web page that is hidden > > 2) Point the img tag to a php script that returns: > > 1) An image with a pixel width of 1 if there is new data to pick > up from the server > 2) An image with a pixel width of 0 otherwise > > 3) Create a javascript that refreshes the image every second (or every > two seconds, or however often you feel necessary--the more often, the > more responsive and "real time" your chat system will be). > > 4) Add an OnLoad event to the img tag that points to a Javascript that > checks the width of the newly reloaded image. If the width is one, then > you reload your chat text content (which you may want to put in an > iframe to avoid having to reload the whole page). > > I don't have a script to show unfortunately, as it would probably be too > complicated and long for the list (and I have no time to write > it...<sigh>), but hopefully, this will give you the gist of it. > > Cheers, > > Marco > Okay, that sounds like something i can do, i just need to know how to hide and how to point the img tag at something. Olli