// contact.cfm validation

function validate_form() {
	// ck name
	if (document.form.ContactName.value == "") {
		document.form.ContactName.className = 'error';
		alert('Please enter your full name.');
		document.form.ContactName.focus();
		return false;
	} else {
		document.form.ContactName.className = null;
	}
	// ck email
	if (document.form.ContactEmail.value == "") {
		document.form.ContactEmail.className = 'error';
		alert('Please enter your email address.');
		document.form.ContactEmail.focus();
		return false;
	} else {
		document.form.ContactEmail.className = null;
	}
	var emailChar = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z])+$/;
	if (!emailChar.test(document.form.ContactEmail.value)) {
		document.form.ContactEmail.className = 'error';
		document.form.ContactEmail.focus();
		alert('Please enter a valid email address.');
		return false;
	} else {
		document.form.ContactEmail.className = null;
	}
	// ck mathAnswer
	if (document.form.mathAnswer.value == "") {
		document.form.mathAnswer.className = 'error';
		alert('We want to see if you are human, please check your spelling.');
		document.form.mathAnswer.focus();
		return false;
	} else {
		document.form.mathAnswer.className = null;
	}
	return true;
}