This script adds a fixed percentage to an order total in a form. The percentage added is dependent on the option chosen from a menu. It was written to add sales tax (VAT) to an online ordering system but could be used to add shipping or any other fixed percentage amount. IE, NS6+
The JavaScript Source: Forms: Sales Tax Calculator
Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Command-s). The script is yours!!!
Forms