function showEnquiry() {
	var enquire = document.getElementById('enquire');
	if ( enquire.className == 'hidden' ) {
		enquire.className = 'visible';
	} else {
		enquire.className = 'hidden';
	}
} 



function showEmail() {
	var emailfriend = document.getElementById('emailfriend');
	if ( emailfriend.className == 'hidden' ) {
		emailfriend.className = 'visible';
	} else {
		emailfriend.className = 'hidden';
	}
}