jQuery get html of container including the container itself

How do i get the html on '#container' including '#container' and not just what's inside it.

<div id="container">
 <div id="one">test 1 </div>
 <div id="two">test 2 </div>
 <div id="three">test 3 </div>
 <div id="four">test 4 </div>
</div>

I have this which gets the html inside #container. it does not include the #container element itself. That's what i'm looking to do

var x = $('#container').html();
$('#save').val(x);

Check http://jsfiddle.net/rzfPP/58/

If you wrap the container in a dummy P tag you will get the container HTML also.

All you need to do is

var x = $('#container').wrap('<p/>').parent().html();

Check working example at http://jsfiddle.net/rzfPP/68/

To unwrap()the <p> tag when done, you can add

$('#container').unwrap();

var x = $('#container').get(0).outerHTML;

UPDATE : This is now supported by Firefox as of FireFox 11 (March 2012)

As others have pointed out, this will not work in FireFox. If you need it to work in FireFox, then you might want to take a look at the answer to this question : In jQuery, are there any function that similar to html() or text() but return the whole content of matched component?

I like to use this;

$('#container').prop('outerHTML');