+ $tax_rates = get_all_tax_types_simple();
+ // if any of the taxes are in the exemptions, then skip
+ while($tax_rate = db_fetch($tax_rates))
+ {
+
+ $skip = false;
+
+ // if it's in the exemptions, skip
+ foreach ($item_tax_type_exemptions as $exemption)
+ {
+ if (($tax_rate['id'] == $exemption))
+ {
+ $skip = true;
+ break;
+ }
+ }
+
+ if (!$skip)
+ {
+ $index = $tax_rate['id'];
+ $ret_tax_array[$index] = $tax_rate;
+ }
+ }
+
+ return $ret_tax_array;
+}
+
+function is_tax_account($account_code)
+{
+ $sql= "SELECT id FROM ".TB_PREF."tax_types WHERE
+ sales_gl_code='$account_code' OR purchasing_gl_code='$account_code'";
+ $result = db_query($sql, "checking account is tax account");
+ if (db_num_rows($result) > 0) {
+ $acct = db_fetch($result);
+ return $acct['id'];
+ } else
+ return false;
+}