Fill in the search field and click "Search" at the top right corner of the site .....

[phpOops]

Fill in the search field and click "Search" at the top right corner of the site Discogs ?

How? Please help.

[dagon]

How to ask a question

[bradgrafelman]

I'm guessing your question is how to mimic POST'ing data to the server and scraping the response?

If so... don't bother. Instead, use that site's API which is meant for server-to-server communication.