Have a look at the SearchColumn, SelectRow, SelectValuesInColumn and SelectTextInColumn methods.
They are all exposed through the Qv.Document.Object.Data class and allows you to select data in the qlikview data model.
Attached is a small extension demonstrating clickable raphael objects, created by Robert Svebeck, and should get you started. Good luck!
SimpleClickableExample.qar 31.5 K