function display(id) {
	element = document.getElementById(id);
	element.style.display = "block";
}
function hide(id, another_id) {
	if (another_id != null) {
		element = document.getElementById(another_id);
		element.style.display = "none";
		element = document.getElementById(id);
		element.style.display = "none";
	}
	else {
		element = document.getElementById(id);
		element.style.display = "none";
	}
}
function displayCountry() {
	if (document.getElementById('region').value == 'SouthCentralAmerica' || document.getElementById('region').value =='Africa' || document.getElementById('region').value =='Asia' || document.getElementById('region').value =='Europe') {
		element = document.getElementById('country');
		element.style.display = "block";
	}
	else {
		element = document.getElementById('country');
		element.style.display = "none";	
	}
}