function validEmail(email) {
	if (isBlank(email)) {
		return false;
	}
	if ((email.indexOf('@') <= 0) || ((email.charAt(email.length-4) != '.')&& (email.charAt(email.length-3) != '.') )) {
		return false;
	}
	return true;
}

function validEmailorPhone(email) {
	if (isBlank(email)) {
		return false;
	}
	if ((email.indexOf('@') <= 0) || ((email.charAt(email.length-4) != '.')&& (email.charAt(email.length-3) != '.') )) {
		if (email.length < 7) {
			return false;
		}
		for (var x = 0; x < email.length; x++) {
			var character = email.charAt(x);	
			if (character != null) {
				if (character != "0" &&
					character != "1" &&
					character != "2" &&
					character != "3" &&
					character != "4" &&
					character != "5" &&
					character != "6" &&
					character != "7" &&
					character != "8" &&
					character != "9" &&
					character != "/" &&
					character != "." &&
					character != " " &&
					character != "-" &&
					character != "(" &&
					character != ")" ) {
					return false;
				}
			}
		}
	}
	return true;
}