function changeCountryField( box ) {
	code = box.value;
	var state = box.form.state;
	if (code == 'CA') {
		document.getElementById("staterow").style.visibility = 'visible';
		while ( state.options.length ) state.options[0] = null;
		state.options[state.options.length] = new Option('Alberta', 'AB');
		state.options[state.options.length] = new Option('British Columbia', 'BC');
		state.options[state.options.length] = new Option('Manitoba', 'MB');
		state.options[state.options.length] = new Option('New Brunswick', 'NB');
		state.options[state.options.length] = new Option('Newfoundland and Labrador', 'NL');
		state.options[state.options.length] = new Option('Northwest Territories', 'NT');
		state.options[state.options.length] = new Option('Nova Scotia', 'NS');
		state.options[state.options.length] = new Option('Nunavut', 'NU');
		state.options[state.options.length] = new Option('Ontario', 'ON');
		state.options[state.options.length] = new Option('Prince Edward Island', 'PE');
		state.options[state.options.length] = new Option('Quebec', 'PQ');
		state.options[state.options.length] = new Option('Saskatchewan', 'SK');
		state.options[state.options.length] = new Option('Yukon Territory', 'YT');
		state.selectedIndex=0;
		return;
	} else if (code == 'US') {
		document.getElementById("staterow").style.visibility = 'visible';
		while ( state.options.length ) state.options[0] = null;
		state.options[state.options.length] = new Option('Alabama', 'AL');
		state.options[state.options.length] = new Option('Alaska', 'AK');
		state.options[state.options.length] = new Option('Arizona', 'AZ');
		state.options[state.options.length] = new Option('Arkansas', 'AR');
		state.options[state.options.length] = new Option('California', 'CA');
		state.options[state.options.length] = new Option('Colorado', 'CO');
		state.options[state.options.length] = new Option('Connecticut', 'CT');
		state.options[state.options.length] = new Option('Delaware', 'DE');
		state.options[state.options.length] = new Option('District of Columbia', 'DC');
		state.options[state.options.length] = new Option('Florida', 'FL');
		state.options[state.options.length] = new Option('Georgia', 'GA');
		state.options[state.options.length] = new Option('Hawaii', 'HI');
		state.options[state.options.length] = new Option('Idaho', 'ID');
		state.options[state.options.length] = new Option('Illinois', 'IL');
		state.options[state.options.length] = new Option('Indiana', 'IN');
		state.options[state.options.length] = new Option('Iowa', 'IA');
		state.options[state.options.length] = new Option('Kansas', 'KS');
		state.options[state.options.length] = new Option('Kentucky', 'KY');
		state.options[state.options.length] = new Option('Louisiana', 'LA');
		state.options[state.options.length] = new Option('Maine', 'ME');
		state.options[state.options.length] = new Option('Maryland', 'MD');
		state.options[state.options.length] = new Option('Massachusetts', 'MA');
		state.options[state.options.length] = new Option('Michigan', 'MI');
		state.options[state.options.length] = new Option('Minnesota', 'MN');
		state.options[state.options.length] = new Option('Mississippi', 'MS');
		state.options[state.options.length] = new Option('Missouri', 'MO');
		state.options[state.options.length] = new Option('Montana', 'MT');
		state.options[state.options.length] = new Option('Nebraska', 'NE');
		state.options[state.options.length] = new Option('Nevada', 'NV');
		state.options[state.options.length] = new Option('New Hampshire', 'NH');
		state.options[state.options.length] = new Option('New Jersey', 'NJ');
		state.options[state.options.length] = new Option('New Mexico', 'NM');
		state.options[state.options.length] = new Option('New York', 'NY');
		state.options[state.options.length] = new Option('North Carolina', 'NC');
		state.options[state.options.length] = new Option('North Dakota', 'ND');
		state.options[state.options.length] = new Option('Ohio', 'OH');
		state.options[state.options.length] = new Option('Oklahoma', 'OK');
		state.options[state.options.length] = new Option('Oregon', 'OR');
		state.options[state.options.length] = new Option('Pennsylvania', 'PA');
		state.options[state.options.length] = new Option('Rhode Island', 'RI');
		state.options[state.options.length] = new Option('South Carolina', 'SC');
		state.options[state.options.length] = new Option('South Dakota', 'SD');
		state.options[state.options.length] = new Option('Tennessee', 'TN');
		state.options[state.options.length] = new Option('Texas', 'TX');
		state.options[state.options.length] = new Option('Utah', 'UT');
		state.options[state.options.length] = new Option('Vermont', 'VT');
		state.options[state.options.length] = new Option('Virginia', 'VA');
		state.options[state.options.length] = new Option('Washington', 'WA');
		state.options[state.options.length] = new Option('West Virginia', 'WV');
		state.options[state.options.length] = new Option('Wisconsin', 'WI');
		state.options[state.options.length] = new Option('Wyoming', 'WY');
		state.selectedIndex=0;                                                        
		return;
	} else {
		while ( state.options.length ) state.options[0] = null;
		state.selectedIndex=0;
		document.getElementById("staterow").style.visibility = 'hidden';
		return;
	}
}