Without looking, here's my guess They use the document's onselect functions to open an iframe which does the dictionary lookup based on what words they have selected. I frames do not work in NN. Frankly, I like this feature as well, even if it is IE only. If I ever code something like this, I'll make it available to interested persons. -joshua ----- Original Message ----- From: "DomitianX" <domitianx at domitianx.com> To: <thelist at lists.evolt.org> Sent: Monday, October 08, 2001 11:04 AM Subject: [thelist] How'd They Do That? : I stumbled upon something on Microsoft's website that is very very cool, : altough it doesn't work in netscape: : : http://www.microsoft.com/windows2000/en/server/help/default.asp?url=/win : dows2000/en/server/help/sag_RRAS-Ch1_89.htm