Hi Sumith,
Following MSDN articles will help you if you are looking for JScript events documentation:
http://msdn.microsoft.com/en-us/library/gg334481.aspx
http://msdn.microsoft.com/en-us/library/bf64f471-7582-45e7-b8ed-370bfbecda68#BKMK_GetSaveMode
Vikranth Pandiri Blog:
http://howto-mscrm.blogspot.com Twitter:
@TweetVikranth "Please Mark it as answer if it helps in resolving your query"