function validate_booking_form(form) {

if (form.CountryChoice.value == "") {
	switch(form.i18n.value){
		case "en_US": 
			alert ("Please select a country!");
			break;
		case "gm_GM": 
		  	alert ("Bitte wähle zuerst ein Land aus!");
			break;
	} 
  form.CountryChoice.focus();
  return false;
} 
if (form.Choice.value == "") {
	switch(form.i18n.value){
		case "en_US": 
			alert ("You did not select any city!");
			break;
		case "gm_GM": 
		  	alert ("Du hast noch keine Stadt ausgewählt!");
			break;
	} 
  form.Choice.focus();
  return false;
} 

// if everything is ok proceed the form

 return true;
}