require "Gelo"

BannerGrabber = {}

function BannerGrabber:viewbanner()
 if str_beginswith(tab.url,'http') then
  local http = GHTTPRequest:new()
  http:open('GET',tab.url)
  local server = html_escape(http:rcvdheader("Server"))
  if server == '' then server = 'Unknown' end
  app.showmessage(tab.url..' is running: '..server)
  http:release()
 else
  app.showmessage('No URL loaded.')
 end
end