URL to switch VI or language

Example usage: Building visual interface where you need to allow user switching between languages in one click.

Example switching to default VI using hyperlink below

http://{yourintranet}/intranet/main/change_vi.php?vi=default

Example switching to Russian

http://{yourintranet}/intranet/main/change_vi.php?lang=ru

Example switching to default VI and Russian at the same time

http://{yourintranet}/intranet/main/change_vi.php?vi=default&lang=ru