PHP Script need a Small Modification & Enhancement

Hi, We the below PHP script, we need the below modifications urgently. [login to view URL] Replace some names with other fields in all script & database. (like Expense= Parches), skype ID = ID Add expired date of ID when we add users. The related invoices & preaches,,,etc templates need encashment in LTR as well. Also, the script has issue with Arabic PDF Make a bottom of the create invoice and parches page Clint name, and mobile as well as Designation (pop up or flash page) Remove mandatory condition for email field, Clint name (make it default new customer), Designation (make it default Not Defend) Make the default when press invoice to is (create an invoice), as long as, client,. Add icons/bottoms similar to mobile as shortcut in the main page (should be responsive) for invoice and parches page Clint, Expense There are little responsive issues as it not working with mobile very will especially the chat along with brass bottoms Check the script and optimize it. Any modification should be added to the language list as the site will be In Arabic and English. Please provide you price and timeline Thanks..