The javascript language itself (plus browser javascript interface - this is rather messy IMHO):
http://wp.netscape.com/eng/mozilla/3.0/handbook/javascript/ I have found the following reference very valuable. It describes the MSIE web browser javascript interface. Surprisingly, it is from Microsoft (surprisingly, the documentation is useful). Of course, skip the non-W3C parts (they are well marked in the documentation). http://msdn.microsoft.com/workshop/author/dhtml/reference/dhtml_reference_entry.asp HTH, jbar