pop up requirement

how do we click on anything within the reports, pass the parameters to another reports and also make the drill thru report open in a new page

See this page for information on Report Interactivity, including jumping to other Reports or Urls, http://msdn2.microsoft.com/en-us/library/ms345258(sql.90).aspx

If you need to have the report open in a new window, then you will need to use the Jump to Url method using javascript, like the following,

=void(window.open('" & Globals!ReportServerUrl & "?/ReportName&rs:Command=Render&rs:Format=Html4.0&Parameter1=" & Fields!Field1.Value & "','_blank'))"