Hello need help with a script

Been asking for awhile and I know its possible because i see other sims with this.  I wanted a short script to light up a colour on a prim like turn a light from red to green to show my remote sim is online is there anyone that can make me one please? ( i will even pay for it if this is the reason stopping people from sharing lol)

thanks

hello i have what you need  just  send miley shoreman a im and i be happy to send u one  PS no need to pay  nwg  there is no money we are here to help :)