Display large text fields in html

Hi List, I want to display large text fields if a user changes wants to, like a dictionary. for example, a php-database generated page hosts a combobox filled with ids, if a user changes it, a text otherwhere changes. Simple Javascript would you say, but what's if this combobox has about >1000 entries(every entry about 10lines of text)? The page loads and runs very slow. But I don't want to reload the page everytime the user changes the field. Do you know any solution? I know a few: a) As is said, a 2nd textbox filled with value coming from array. b) The box is filled by a set of textfiles which are generated before c) above but w/ layer d) no box but an image, b/w-gif generated by php e) inline-frameset which is reloaded f) an applett which get its resource by getURL g) ... As I said, do you know which would be the best? Thanks a lot, Jan PS. Yes, I think this is rather a PHP question.