function changeCountryBillSelect() {
	country_obj = objgetbyid('bill_country_code');
	select_obj = objgetbyid('bill_state_select');
	enter_obj = objgetbyid('bill_state');
	country_code = country_obj.options[country_obj.selectedIndex].value;
	changeStateSelect(country_code, select_obj, enter_obj);
	if (country_code == 'US') {
		objshow('label_bill_state_select');
		objhide('label_bill_state');
		objshow('label_bill_zip');
		objhide('label_bill_postal');
	} else {
		objhide('label_bill_state_select');
		objshow('label_bill_state');
		objshow('label_bill_postal');
		objhide('label_bill_zip');
	}
}

function changeStateBillSelect() {
	select_obj = objgetbyid('bill_state_select');
	enter_obj = objgetbyid('bill_state');
	enter_obj.value = select_obj.options[select_obj.selectedIndex].value;
}

function changeCountryShipSelect() {
	country_obj = objgetbyid('ship_country_code');
	select_obj = objgetbyid('ship_state_select');
	enter_obj = objgetbyid('ship_state');
	country_code = country_obj.options[country_obj.selectedIndex].value;
	changeStateSelect(country_code, select_obj, enter_obj);
	if (country_code == 'US') {
		objshow('label_ship_state_select');
		objhide('label_ship_state');
		objshow('label_ship_zip');
		objhide('label_ship_postal');
	} else {
		objhide('label_ship_state_select');
		objshow('label_ship_state');
		objshow('label_ship_postal');
		objhide('label_ship_zip');
	}
}

function changeStateShipSelect() {
	select_obj = objgetbyid('ship_state_select');
	enter_obj = objgetbyid('ship_state');
	enter_obj.value = select_obj.options[select_obj.selectedIndex].value;
}

function changeStateSelect(country_code, select_obj, enter_obj) {
	if (country_code == 'US') {
		select_obj.options.length = 0; 
		select_obj.options[select_obj.options.length] = new Option('-- select state --',''); 
		select_obj.options[select_obj.options.length] = new Option('Alabama','AL'); 
		select_obj.options[select_obj.options.length] = new Option('Alaska','AK'); 
		select_obj.options[select_obj.options.length] = new Option('American Somoa','AS'); 
		select_obj.options[select_obj.options.length] = new Option('Arizona','AZ'); 
		select_obj.options[select_obj.options.length] = new Option('Arkansas','AR'); 
		select_obj.options[select_obj.options.length] = new Option('Armed Forces Americas','AA'); 
		select_obj.options[select_obj.options.length] = new Option('Armed Forces Europe','AE'); 
		select_obj.options[select_obj.options.length] = new Option('Armed Forces Pacific','AP'); 
		select_obj.options[select_obj.options.length] = new Option('California','CA'); 
		select_obj.options[select_obj.options.length] = new Option('Colorado','CO'); 
		select_obj.options[select_obj.options.length] = new Option('Connecticut','CT'); 
		select_obj.options[select_obj.options.length] = new Option('Delaware','DE'); 
		select_obj.options[select_obj.options.length] = new Option('District of Columbia','DC'); 
		select_obj.options[select_obj.options.length] = new Option('Federated States of Micronesia','FM'); 
		select_obj.options[select_obj.options.length] = new Option('Florida','FL'); 
		select_obj.options[select_obj.options.length] = new Option('Georgia','GA'); 
		select_obj.options[select_obj.options.length] = new Option('Guam','GU'); 
		select_obj.options[select_obj.options.length] = new Option('Hawaii','HI'); 
		select_obj.options[select_obj.options.length] = new Option('Idaho','ID'); 
		select_obj.options[select_obj.options.length] = new Option('Illinois','IL'); 
		select_obj.options[select_obj.options.length] = new Option('Indiana','IN'); 
		select_obj.options[select_obj.options.length] = new Option('Iowa','IA'); 
		select_obj.options[select_obj.options.length] = new Option('Kansas','KS'); 
		select_obj.options[select_obj.options.length] = new Option('Kentucky','KY'); 
		select_obj.options[select_obj.options.length] = new Option('Louisiana','LA'); 
		select_obj.options[select_obj.options.length] = new Option('Maine','ME'); 
		select_obj.options[select_obj.options.length] = new Option('Marshall Islands','MH'); 
		select_obj.options[select_obj.options.length] = new Option('Maryland','MD'); 
		select_obj.options[select_obj.options.length] = new Option('Massachusetts','MA'); 
		select_obj.options[select_obj.options.length] = new Option('Michigan','MI'); 
		select_obj.options[select_obj.options.length] = new Option('Minnesota','MN'); 
		select_obj.options[select_obj.options.length] = new Option('Mississippi','MS'); 
		select_obj.options[select_obj.options.length] = new Option('Missouri','MO'); 
		select_obj.options[select_obj.options.length] = new Option('Montana','MT'); 
		select_obj.options[select_obj.options.length] = new Option('Nebraska','NE'); 
		select_obj.options[select_obj.options.length] = new Option('Nevada','NV'); 
		select_obj.options[select_obj.options.length] = new Option('New Hampshire','NH'); 
		select_obj.options[select_obj.options.length] = new Option('New Jersey','NJ'); 
		select_obj.options[select_obj.options.length] = new Option('New Mexico','NM'); 
		select_obj.options[select_obj.options.length] = new Option('New York','NY'); 
		select_obj.options[select_obj.options.length] = new Option('North Carolina','NC'); 
		select_obj.options[select_obj.options.length] = new Option('North Dakota','ND'); 
		select_obj.options[select_obj.options.length] = new Option('Northern Mariana Islands','MP'); 
		select_obj.options[select_obj.options.length] = new Option('Ohio','OH'); 
		select_obj.options[select_obj.options.length] = new Option('Oklahoma','OK'); 
		select_obj.options[select_obj.options.length] = new Option('Oregon','OR'); 
		select_obj.options[select_obj.options.length] = new Option('Palau','PW'); 
		select_obj.options[select_obj.options.length] = new Option('Pennsylvania','PA'); 
		select_obj.options[select_obj.options.length] = new Option('Puerto Rico','PR'); 
		select_obj.options[select_obj.options.length] = new Option('Rhode Island','RI'); 
		select_obj.options[select_obj.options.length] = new Option('South Carolina','SC'); 
		select_obj.options[select_obj.options.length] = new Option('South Dakota','SD'); 
		select_obj.options[select_obj.options.length] = new Option('Tennessee','TN'); 
		select_obj.options[select_obj.options.length] = new Option('Texas','TX'); 
		select_obj.options[select_obj.options.length] = new Option('Utah','UT'); 
		select_obj.options[select_obj.options.length] = new Option('Vermont','VT'); 
		select_obj.options[select_obj.options.length] = new Option('Virgin Islands','VI'); 
		select_obj.options[select_obj.options.length] = new Option('Virginia','VA'); 
		select_obj.options[select_obj.options.length] = new Option('Washington','WA'); 
		select_obj.options[select_obj.options.length] = new Option('West Virginia','WV'); 
		select_obj.options[select_obj.options.length] = new Option('Wisconsin','WI'); 
		select_obj.options[select_obj.options.length] = new Option('Wyoming','WY'); 
		select_obj.style.display = '';
		enter_obj.style.display = 'none';
	} else if (country_code == 'CN') {
		select_obj.options.length = 0; 
		select_obj.options[select_obj.options.length] = new Option('-- select province --',''); 
		select_obj.options[select_obj.options.length] = new Option('Alberta','AB'); 
		select_obj.options[select_obj.options.length] = new Option('British Columbia','BC'); 
		select_obj.options[select_obj.options.length] = new Option('Manitoba','MB'); 
		select_obj.options[select_obj.options.length] = new Option('New Brunswick','NB'); 
		select_obj.options[select_obj.options.length] = new Option('Newfoundland','NF'); 
		select_obj.options[select_obj.options.length] = new Option('Northwest Territories','NT'); 
		select_obj.options[select_obj.options.length] = new Option('Nova Scotia','NS'); 
		select_obj.options[select_obj.options.length] = new Option('Nunavut','NU'); 
		select_obj.options[select_obj.options.length] = new Option('Ontario','ON'); 
		select_obj.options[select_obj.options.length] = new Option('Prince Edward Island','PE'); 
		select_obj.options[select_obj.options.length] = new Option('Quebec','QC'); 
		select_obj.options[select_obj.options.length] = new Option('Saskatchewan','SK'); 
		select_obj.options[select_obj.options.length] = new Option('Yukon','YT'); 
		select_obj.style.display = '';
		enter_obj.style.display = 'none';
	} else {
		select_obj.options.length = 0; 
		select_obj.style.display = 'none';
		enter_obj.style.display = '';
	}
}