function checkReqFields() {
	validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;  //regular expression to check valid email address
	name = $('input[name=fullName]').val().trim();
	email = $('input[name=email]').val().trim();
	text = $('textarea[name=comment]').val().trim();
	if ( name == "" || email == "") {
		alert("Please fill in all required fields.");
		return false;
	} else if(email.search(validRegExp) == -1) {	// search email text for regular exp matches
		alert('A valid e-mail address is required.');
		return false;
	} else {
		return true;
	}
}

function checkNewsletterReqFields() {
	validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;  //regular expression to check valid email address
	name = $('input[name=name]').val().trim();
	email = $('input[name=email]').val().trim();
	if ( name == "" || email == "") {
		alert("Please fill in all required fields.");
		return false;
	} else if(email.search(validRegExp) == -1) {	// search email text for regular exp matches
		alert('A valid e-mail address is required.');
		return false;
	} else {
		return true;
	}
}

function checkExpertReqFields() {
	validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;  //regular expression to check valid email address
	name = $('input[name=fullName]').val().trim();
	phone = $('input[name=phone]').val().trim();
	email = $('input[name=email]').val().trim();
	if ( name == "" || name == "Name" || email == "") {
		alert("Please fill in all required fields.");
		return false;
	} else if(email.search(validRegExp) == -1) {	// search email text for regular exp matches
		alert('A valid e-mail address is required.');
		return false;
	} else {
		return true;
	}
}