Move an sms app from one page to another on the same php site — 2

I have this app here https://www.enlive.cam/live/agent0707_good2.html I need it here with no exit to a new window https://www.enlive.cam/live/pages/r.html?room=fz77mzozybf&p=eyJsc1JlcFVybCI6Imh0dHBzOi8vd3d3LmVubGl2ZS5jYW0vbGl2ZS8iLCJkdXJhdGlvbiI6IjMiLCJpc0FkbWluIjoxfQ&isAdmin=1… (Budget: $10 – $30 USD, Jobs: HTML, HTML5, MySQL, PHP, Website Design)