In a company, employees are paid in daily basis with the following scenarios.

-If an employee works overtime, s/he gets additional 4% of the daily basic salary for every hour s/he works as overtime.

If an employee works in a weekend, s/he is paid double the amount for that day.

Write necessary codes for designing a webpage that lets the owner of the company enter required information to calculate the salary of an employee on daily basis and store the data in a database table.