Modify the action of search form

Hi,

i want to delete the section alias on url when i use the form to search a record. It is the action of the form. How can i do this? What is the file to do this modification?

And then i want to delete the alias of section. I have this page '/cobalt-section-list/items/1-ALIAS-SECTION.html'

I want to the delete the alias and remain only the id of section becouse i want to set up this in my file of language.