Studing day. Today I've found some new technologies and tricks:

• I should research this thing. I don't understand yet why they are not using SOAP. What about security, what about perfomance. IBM Database Connectivity for JavaScript
  A JavaScript API and implementation that enables Web clients to use an Ajax style of programming to directly access server-side relational data without compromising enterprise security.
  http://www.alphaworks.ibm.com/tech/dbcjs/
  Trim query is a very smart technology for a first view, but we should understand what tasks this method applicable for.
  http://trimpath.com/project/wiki/TrimQuery


• I got a lot of problems with sessions. It strange, but when I make window.open
  sometimes new session starts. To understand session behavior we can use different sessions trackers. How to develop these trackers following article describes:
  http://www.codeproject.com/aspnet/PageTracking.asp
  http://support.microsoft.com/kb/306996/ru
  http://www.15seconds.com/issue/021119.htm
  http://stardeveloper.com/articles/display.html?article=2002102501&page=4
  http://forums.asp.net/7504/ShowPost.aspx
  http://support.microsoft.com/?kbid=307598
  http://stardeveloper.com/articles/display.html?article=2002102501&page=1