<!----------------------company------------------>
function sub1_1() { self.location.href = '/base_1/company/company.php'; }
function sub1_2() { self.location.href = '/base_1/company/company1.php'; }
function sub1_3() { self.location.href = '/base_1/company/company2.php'; }
function sub1_4() { self.location.href = '/base_1/company/company3.php'; }




<!----------------------business ------------------
function sub2_1() { self.location.href = '/base_1/business/business.php'; }
function sub2_2() { self.location.href = '/base_1/business/business1.php'; }




<!----------------------products ------------------>
function sub3_1() { self.location.href = '/base_1/products/products.php'; }
function sub3_1_1() { self.location.href = '/base_1/products/products_01.php'; }
function sub3_1_2() { self.location.href = '/base_1/products/products_02.php'; }
function sub3_1_3() { self.location.href = '/base_1/products/products_03.php'; }
function sub3_1_4() { self.location.href = '/base_1/products/products1.php'; }




<!----------------------customer------------------>
function sub4_1() { self.location.href = '/base_1/customer/customer.php'; }
function sub4_2() { self.location.href = '/base_1/customer/customer1.php'; }
function sub4_3() { self.location.href = '/base_1/customer/customer2.php'; }