function Verify(f) {
	var ErrorString  = "";
    if (isBlank(f.fnom)) ErrorString += "\n - NAME: is required";
    if (isBlank(f.fape)) ErrorString += "\n - SURNAME: is required";
    if (isBlank(f.fmail)) ErrorString += "\n - E-MAIL: is required";
	else if (!isBlank(f.fmail) && testSimpleEmail(f.fmail))
		ErrorString += "\n - E-MAIL: is not valid";
    if (f.fmail.value!=f.fcmail.value) ErrorString += "\n - Incorrect e-mail confirmation address";
    if (isBlank(f.ftel)) ErrorString += "\n - PHONE: is required";
    if (isSelected(f.fpais, 0)) ErrorString += "\n - COUNTRY: is required";
    if (isBlank(f.fconsulta)) ErrorString += "\n - QUESTION/MESSAGE: is required";
    if (isBlank(f.uid )) ErrorString += "\n - SECURITY CODE: is required";
	return errorAlert(ErrorString);
}