function cmbMunicipalities(idMunicipalitie,idState,layer){
fields="id="+idMunicipalitie+"&state_id="+idState;
	FAjax('cmb_municipalities.php',layer,fields,'POST');
}
function cmbState(idState,layer){
	fields="id="+idState;
	FAjax('cmb_states.php',layer,fields,'POST');
}
function cmbCities(idCity,idMunicipalitie,layer){
vari= document.getElementById(layer);

if(vari!=null){
	
	fields="id="+idCity+"&idMunicipalitie="+idMunicipalitie;
		FAjax('cmb_cities.php',layer,fields,'POST');
 	}
}
function cmbColonies(colony,idCity,layer){

vari= document.getElementById(layer);

if(vari!=null){
	
	fields="colony="+colony+"&idCity="+idCity;
  
		FAjax('cmb_colonies.php',layer,fields,'POST');
 	}
}