[PHP] input type equals image

When a form is submitted from an image (e.g. ) this will be passed in the URL as paging.x=SOME_NUMBER. If I try and access this variable as ${paging.x} in the subsequent PHP script I get nothing. How can I access this variable? all I want to do is test for it's existance ? Simple as it seems ..

[PHP] Prefilling select boxes ?

If you make your users fill in form details and they forget to fill in an important field, you'd want to return them to the same page prefilling all fields they already populated. My question is how can you prefil a select box ( drop down list ) with the item they selected ? Is there a me