function displayContactForm() {
	var textDiv = document.getElementById('c_text');
	var contactFormDiv = document.getElementById('c_form');

	textDiv.style.display = 'none';
	contactFormDiv.style.display = 'block';
}

function validateContactForm() {
	var myForm = document.forms['contactForm'];
	var fName = myForm.f_name;
	var fEmail = myForm.f_email;
	var fPhone = myForm.f_phone;
	var fMessage = myForm.f_message;
	
	// validate name
    if (validateRequired(fName,"Please write your name!") == false) {
	    fName.focus();
	    return false;
    }

	// validate email or phone
	if ((fEmail.value == null || fEmail.value.trim() == "") && (fPhone.value == null || fPhone.value.trim() == "")){
		alert("Please write your email or phone number!");
		fEmail.focus();
		return false;
	}

	// email validation
	if (fEmail.value != null && fEmail.value.trim() != ""){
		if (validateEmail(fEmail,"The email address is invalid!") == false) {
			fEmail.focus();
			return false;
		}
	}

	// validate message
    if (validateRequired(fMessage,"Please enter message!") == false) {
	    fMessage.focus();
	    return false;
    }

	return true;
}

function sendMessage() {
	var pars;
	var myForm = document.forms['contactForm'];
	var fName = myForm.f_name;
	var fEmail = myForm.f_email;
	var fPhone = myForm.f_phone;
	var fMessage = myForm.f_message;
	
	if (!validateContactForm()){
		return;
	}

	pars = 'f_name=' + fName.value;
	pars += '&f_email=' + fEmail.value;
	pars += '&f_phone=' + fPhone.value;
	pars += '&f_message=' + fMessage.value;

	$.ajax({
		type: "POST",
		url: "process/send_contact_info.php",
		data: pars,
		success: alert('Information sent!\nThank you for your interest!')
	});

	var textDiv = document.getElementById('c_text');
	var contactFormDiv = document.getElementById('c_form');

	textDiv.style.display = 'block';
	contactFormDiv.style.display = 'none';
}