Adding subject line and attachment to javascript template

hi, I need subject line and attachment sending possibility to be added to my small website contact form pages. I need you to make sure the functions are working. Please show your real bid, otherwise I report as fake bid. No new freelancers for this project, sorry. I need someone reliable can fix it quick and on budget. thank you. I added the index file so you can see what it is about. Only bid if you can work straight away and guarantee to finish within the hours you agree to. thank you.