JS only Data Grid with Edit, Keyboard Events

PLEASE READ TO END. Javascript only. JS must render the html, etc. I'd like a datagrid, like jqgrid. I have jquery already and use less for styles. I'd like a custom grid with the following columns: --start column list -- From Date To Date POS TOS Billed Codes Mod #1 Mod #2 Reviewed Codes Mod #1 Mod #2 Day/Units Charges (data currency formatted) Fee Sched (data currency formatted) PPO (data currency formatted) Other (data currency formatted) Allowed (data currency formatted) Diagnostics Override (CHECKBOX IN THIS FIELD.) Msgs -- End column list -- 1. When you TAB key through columns and get to Day/Units - DO NOT TAB FROM HERE TO CHARGES - Instead goto next line. 2. When you go to next line, get First two columns, from date and to date from previous line. 3. when you tab from 'From Date' to 'To Date' copy from date into To Date field. ONLY DO THESE WHEN THE FIELDS ARE EMPTY 4. when any line is 'unselected' it should call a REST web service. (can just call junk url for now.) The main issues here is that this must be rendered from javascript. you can define any css you want and i can make sure the css is included in the page.