function verify_cform(f) {

	if(f.email.value == '') {
	alert('Please enter your email.');
	f.email.focus();
	return false;
	}
	
	if(f.name.value == '') {
	alert('Please enter your name.');
	f.name.focus();
	return false;
	}
	
	if(f.message.value == '') {
	alert('Please enter your message.');
	f.name.focus();
	return false;
	}
	
	return true;
}