//function call in 'onchange="onChange<name_of_slection>(id1,id2[,id3])"', where id1 - name of selected select
//id2 - select where need change data
//id3 - select where need change data(only in State select)
// (only in State select then we change we buil Region & City select's)
//SQL - All "SELECT * FROM <table_name>"
function onChangeCountry(id1,id2){
    var list = document.getElementById(id1);
    var list1 = document.getElementById(id2);
//$country_sz -- size of array first sql in countries table
// $state_sz -- size of array second sql in states table
}
//Region select
//state have city
//where
function onChangeStates(id1, id2, id3) {
    var list = document.getElementById(id1);
    var list1 = document.getElementById(id2);
    var list2 = document.getElementById(id3);
//$state_sz -- size of array first sql in states table
// $region_sz -- size of array second sql in region table
        }
//Area Select
function onChangeRegion(id1, id2){
    var list = document.getElementById(id1);
    var list1 = document.getElementById(id2);
//$region_sz -- size of array first sql in region table
// $area_sz -- size of array second sql in area table
}
//Cities Select
function onChangeArea(id1,id2){
    var list = document.getElementById(id1);
    var list1 = document.getElementById(id2);
//$area_sz -- size of array first sql in area table
// $city_sz -- size of array second sql in city table
}