function checkFields(form){

	if (form.name.value == ''){
		alert("Please enter your name.");
		form.name.focus();
		return false;
	}

	if (form.email.value.indexOf('@') < 2){
		alert("Please enter a valid e-mail address.");
		form.email.focus();
		return false;
	}

	if (form.phone.value == ''){
		alert("Please enter your phone number.");
		form.phone.focus();
		return false;
	}

	if (form.comments.value == ''){
		alert("Please enter a question or comment.");
		form.comments.focus();
		return false;
	}

	return true;

};