In Explorer:
In menu Tool select--> Internet Options --> Privacy --> button Sites...

Then type in:"www.giardino.it" --> button Allow

In Netscape: In menu Edit select ->Preferences ->Privacy & Security -> Cookies,
select option "Allow cookies for the originating website only".

In Safari:
In menu Safari select --> Preferences --> Security
Select option "Allow Cookies" --> "From visited sites only"

In Mozilla Firefox:
In menu Firefox select --> Preferences --> Privacy --> press the button "Exceptions"

Then type in:"www.giardino.it" --> button Allow