content: tell application "Google Chrome"
  	set theUrl to "http://localhost:3000/arbeit"
  	
  	if (count every window) = 0 then
  		make new window
  	end if
  	
  	set found to false
  	set theTabIndex to -1
  	repeat with theWindow in every window
  		set theTabIndex to 0
  		repeat with theTab in every tab of theWindow
  			set theTabIndex to theTabIndex + 1
  			if theTab's URL = theUrl then
  				set found to true
  				exit
  			end if
  		end repeat
  		
  		if found then
  			exit repeat
  		end if
  	end repeat
  	
  	if found then
  		tell theTab to reload
  		set theWindow's active tab index to theTabIndex
  		set index of theWindow to 1
  	else
  		tell window 1 to make new tab with properties {URL:theUrl}
  	end if
  end tell
  