[amibroker] Multiple scrip RSI comparison plot

["sai20_2000" <sai20_2000@xxxxxxxxx>]

Iam looking for ploting RSI of multiple scrips with resp to index on 
single pane .
I tried using relstrength(),(which incorporates only one scrip at a 
time) and foriegn() function( which only identifies OHLC values)and  
also tried atc function . Is there any piece of code to identify which 
is the weakest scrip to short and strogest to buy , by visual or AA 
explore function.
Any help is higly appreciated