Create jquery array object

JavaScript
1

I have a select menu

<select>
	<option value="US">America</option>
	<option value="BR">Britain</option>
</select>

I want to have an array like this

arrayobject = {US:america, BR:Britain}

How can i do this ?

2 

var foo = {};
$("option").each(function(){
    foo[this.value] = this.text;
});
3

Nice thanks!!!