var phone_field_length=0;
var cntyx=0;

function TabNext(obj,event,apn,next_field,alt_field) {
	var len=0;
	
	if (apn == 1) {
		if (cntyx == 0) {
			len = 3;
			}
		else {
			len = 4;
			}
		}
	if (apn == 2) {
		if (cntyx == 0) {
			len = 3;
			}
		else {
			len = 2;
			}
		}
	if (apn == 3) {
		if (cntyx == 0) {
			len = 2;
			}
		else {
			len = 3;
			next_field=alt_field;
			}
		}
	if (apn == 4) {
		len = 3;
		}	
	if (event == "down") {
		phone_field_length=obj.value.length;
		}
	else if (event == "up") {
		if (obj.value.length != phone_field_length) {
			phone_field_length=obj.value.length;
			if (phone_field_length == len) {
				next_field.focus();
				}
			}
		}
	}

function SetCnty(num) {
	cntyx=num;
	}