534798 Need to change 200 html files

Hi There, Attached is the 3 websites samples i am giving you. If you notice all 3 websites there is a banner at the top which u have to move to the bottom. there will be only these 3 banners and no other banner files will be found. 1) Move the current banner to the bottom 2) Paste a fixed JS script at the top of the page above the google ads. Attached is the JS script. 3) Paste facebook like plugin top of the page extreme left. 4) Paste facebook comments plugin at the bottom of the page. I need to do the above for 200 htmls