$.ajax on https (SSL)

Hello jQuery.

I have the problem using $.ajax - https (SSL) on Firefox

script:

function test()
{
var url = 'https://www.domain.com/add_id.php?key=1';

//---

$.ajax({
url:

url,
cache: false,
type: "POST",
});
}

When I try to run function test() $.ajax don't run on firefox (only https)

In ie or another browser run perfectly.

Anyone have idea?

Thanks in advance!