[jQuery] Autocomplete, extraParams and this

Hi there, been searchin' for a solution for hours, hope someone here can help me out. This what I'm trying to do, I have several inputs on one page with autocomplete. I need to pass a variable based on the input field the user is in. So I decided to go with having this information as id value. I

[jQuery] autocomplete, extraParams and $(this)

I´m a bit confused, because the following doesn´t seem to work and I have no idea why ... after searching google for a couple of hours and trying different solutions, I´m posting this here and hope that someone can help. $("input.vAutocompleteField").autocomplete('/ autocomplete_lookup/', {