DEV wrote: > http://www.childbirthsolutions.com/support/glossary/howto.php has a pretty > good tool called Active Glossary. > > What it is that you highlight a word, on key up, it does look up. (I think you meant on mouse up.) > If there is anyone who'd like to hassle with it to sort this out and share > the results back with the list, go ahead. You're too generous :-) For Mozilla, window.getSelection() is the primary method you need; more info at: <http://lxr.mozilla.org/seamonkey/source/content/base/public/nsISelection.idl> If I cared about IE, I'd search at <http://msdn.microsoft.com/> for an equivalent interface. HTH! -- Hassan Schroeder ----------------------------- hassan at webtuitive.com Webtuitive Design === (+1) 408-938-0567 === http://webtuitive.com dream. code.