Following my referrer links found
this blog (I love this whole interlinking stuff!) has some great content and I noticed
this posting which links to
this tutorial on XmlHttpRequest (the stuff behind
AJAX) . Anyway, it’s a great tutorial and it should be fairly easy to change the server side implementation; tutorial uses PHP & MySQL but it really just involves XML processing which is a breeze using ASP.NET – the tricky bit is the Javascript which you CAN use across server side languages…