var checkform = function() {

	var form 	= $('form-inquiry'); 
	var name 	= form['name'];
	var address = form['address'];
	var email 	= form['email'];
	var phone 	= form['phone'];
	var inquiry = form['inquiry'];
	var captcha = form['captcha'];

	if($F(name).blank()) { alert('Name is required.'); return false; }
	if($F(address).blank()) { alert('Please enter your address.'); return false; }
	if($F(email).blank()) { alert('Please enter your email.'); return false; }
	if($F(phone).blank()) { alert('Please enter your phone number.'); return false; }
	if($F(inquiry).blank()) { alert('Please put your inquiry.'); return false; }
	if($F(captcha).blank()) { alert('Please enter displayed captcha number.'); return false; }
	
	return true;
}