Nats 3 Exclude Countries

List of possible countries from the smarty $countries array

AX	"Aeland Islands"
AF	"Afghanistan"
AL	"Albania"
DZ	"Algeria"
AS	"American Samoa"
AD	"Andorra"
AO	"Angola"
AI	"Anguilla"
AQ	"Antarctica"
AG	"Antigua And Barbuda"
AR	"Argentina"
AM	"Armenia"
AW	"Aruba"
AU	"Australia"
AT	"Austria"
AZ	"Azerbaijan"
BS	"Bahamas"
BH	"Bahrain"
BD	"Bangladesh"
BB	"Barbados"
BY	"Belarus"
BE	"Belgium"
BZ	"Belize"
BJ	"Benin"
BM	"Bermuda"
BT	"Bhutan"
BO	"Bolivia"
BA	"Bosnia And Herzegowina"
BW	"Botswana"
BV	"Bouvet Island"
BR	"Brazil"
IO	"British Indian Ocean"
BN	"Brunei Darussalam"
BG	"Bulgaria"
BF	"Burkina Faso"
BI	"Burundi"
KH	"Cambodia"
CM	"Cameroon"
CA	"Canada"
CV	"Cape Verde"
KY	"Cayman Islands"
CF	"Central African Republic"
TD	"Chad"
CL	"Chile"
CN	"China"
CX	"Christmas Island"
CC	"Cocos (keeling) Islands"
CO	"Colombia"
KM	"Comoros"
CG	"Congo"
CD	"Congo, Democratic Republic of the"
CK	"Cook Islands"
CR	"Costa Rica"
CI	"Cote D'ivoire"
HR	"Croatia"
CU	"Cuba"
CY	"Cyprus"
CZ	"Czech Republic"
DK	"Denmark"
DJ	"Djibouti"
DM	"Dominica"
DO	"Dominican Republic"
TP	"East Timor"
EC	"Ecuador"
EG	"Egypt"
SV	"El Salvador"
GQ	"Equatorial Guinea"
ER	"Eritrea"
EE	"Estonia"
ET	"Ethiopia"
FK	"Falkland Islands"
FO	"Faroe Islands"
FJ	"Fiji"
FI	"Finland"
FR	"France"
FX	"France, Metropolitan"
GF	"French Guiana"
PF	"French Polynesia"
TF	"French Southern Territories"
GA	"Gabon"
GM	"Gambia"
GE	"Georgia"
DE	"Germany"
GH	"Ghana"
GI	"Gibraltar"
GR	"Greece"
GL	"Greenland"
GD	"Grenada"
GP	"Guadeloupe"
GU	"Guam"
GT	"Guatemala"
GG	"Guernsey"
GN	"Guinea"
GW	"Guinea-bissau"
GY	"Guyana"
HT	"Haiti"
HM	"Heard And Mc Donald Isl."
HN	"Honduras"
HK	"Hong Kong"
HU	"Hungary"
IS	"Iceland"
IM	"Isle of Man"
IN	"India"
ID	"Indonesia"
IR	"Iran"
IQ	"Iraq"
IE	"Ireland"
IL	"Israel"
IT	"Italy"
JM	"Jamaica"
JP	"Japan"
JE	"Jersey"
JO	"Jordan"
KZ	"Kazakhstan"
KE	"Kenya"
KI	"Kiribati"
KR	"Korea, Republic Of (South Korea)"
KP	"Korea, Democratic People's Republic O..."
KW	"Kuwait"
KG	"Kyrgyzstan"
LA	"Lao People's Democratic Republic"
LV	"Latvia"
LB	"Lebanon"
LS	"Lesotho"
LR	"Liberia"
LY	"Libyan Arab Jamahiriya"
LI	"Liechtenstein"
LT	"Lithuania"
LU	"Luxembourg"
MO	"Macau"
MK	"Macedonia"
MG	"Madagascar"
MW	"Malawi"
MY	"Malaysia"
MV	"Maldives"
ML	"Mali"
MT	"Malta"
MH	"Marshall Islands"
MQ	"Martinique"
MR	"Mauritania"
MU	"Mauritius"
YT	"Mayotte"
MX	"Mexico"
FM	"Micronesia"
MD	"Moldova, Republic Of"
MC	"Monaco"
MN	"Mongolia"
ME	"Montenegro"
MS	"Montserrat"
MA	"Morocco"
MZ	"Mozambique"
MM	"Myanmar"
NA	"Namibia"
NR	"Nauru"
NP	"Nepal"
NL	"Netherlands"
AN	"Netherlands Antilles"
NC	"New Caledonia"
NZ	"New Zealand"
NI	"Nicaragua"
NE	"Niger"
NG	"Nigeria"
NU	"Niue"
NF	"Norfolk Island"
MP	"Northern Mariana Islands"
NO	"Norway"
OM	"Oman"
PK	"Pakistan"
PW	"Palau"
PS	"Palestinian Territory, Occupied"
PA	"Panama"
PG	"Papua New Guinea"
PY	"Paraguay"
PE	"Peru"
PH	"Philippines"
PN	"Pitcairn"
PL	"Poland"
PT	"Portugal"
PR	"Puerto Rico"
QA	"Qatar"
RE	"Reunion"
RO	"Romania"
RU	"Russian Federation"
RW	"Rwanda"
KN	"Saint Kitts And Nevis"
LC	"Saint Lucia"
VC	"Saint Vincent, The Grenadines"
WS	"Samoa"
SM	"San Marino"
ST	"Sao Tome And Principe"
SA	"Saudi Arabia"
SN	"Senegal"
CS	"Serbia and Montenegro"
RS	"Serbia"
SC	"Seychelles"
SL	"Sierra Leone"
SG	"Singapore"
SK	"Slovakia (slovak Republic)"
SI	"Slovenia"
SB	"Solomon Islands"
SO	"Somalia"
ZA	"South Africa"
GS	"South Georgia, South Sandwich Isl."
ES	"Spain"
LK	"Sri Lanka"
SH	"St. Helena"
PM	"St. Pierre And Miquelon"
SD	"Sudan"
SR	"Suriname"
SJ	"Svalbard And Jan Mayen Islands"
SZ	"Swaziland"
SE	"Sweden"
CH	"Switzerland"
SY	"Syrian Arab Republic"
TW	"Taiwan"
TJ	"Tajikistan"
TZ	"Tanzania, United Republic Of"
TH	"Thailand"
TL	"Timor-Leste"
TG	"Togo"
TK	"Tokelau"
TO	"Tonga"
TT	"Trinidad And Tobago"
TN	"Tunisia"
TR	"Turkey"
TM	"Turkmenistan"
TC	"Turks And Caicos Islands"
TV	"Tuvalu"
UG	"Uganda"
UA	"Ukraine"
AE	"United Arab Emirates"
GB	"United Kingdom"
US	"United States"
UM	"United States Minor Outlying Isl."
UY	"Uruguay"
UZ	"Uzbekistan"
VU	"Vanuatu"
VA	"Vatican City State"
VE	"Venezuela"
VN	"Viet Nam"
VG	"Virgin Islands (british)"
VI	"Virgin Islands (u.s.)"
WF	"Wallis, Futuna Islands"
EH	"Western Sahara"
YE	"Yemen"
YU	"Yugoslavia"
ZR	"Zaire"
ZM	"Zambia"
ZW	"Zimbabwe"

Code to replace:
<select>{html_options options=$countries selected=$country}</select>

Replace with (in this example we exclude Afghanistan and Aeland Islands:

<select class="join_select" name="signup[country]"> 
{foreach from=$countries key=full item=entry}
{if $full != 'AX' && $full != 'AF'}<option value={$full} {if $full == $country}selected{/if}>{$entry}</option>{/if} 
{/foreach} 
</select>

Note: $country is preassigned in the template prior to the foreach with the follwing:
{if $vars.country}{assign var=country value=$vars.country}{else}{assign var=country value="US"}{/if}