function obtener_cmb_paises(idioma_id)
{
	var pet = new ConstructorXMLHttpRequest();
	var cmb_continentes = document.getElementById('cmb_continentes');
	var cmb_paises = document.getElementById('cmb_paises');
	
	if(pet)
	{
		var path = ROOT_PATH + 'asinc/obtener_paises';
		pet.open('POST', path, true);
		pet.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		pet.send('c_id=' + cmb_continentes.value + '&i_id=' + idioma_id);
		
		pet.onreadystatechange = function ()
		{
			cmb_paises.disabled = true;
			
			if(pet.readyState == 4)
			{
				cmb_paises.disabled = false;
				
				if(pet.responseText != ''){
					cmb_paises.innerHTML = pet.responseText;
				} else {
					cmb_paises.innerHTML = '';
				}
			}	
		}
	}
}