EMA Cross EMA 21 50

This script marks trending analisys when EMA 21 crosses EMA 50 in order to stablish a bullish or bearish trend. Also shows entry and quit points depending of EMA 3 crosses EMA 9.
EMA 200 is showed in order to take a better analisys of in or out
Also when RSI is down 30 level a purple flag is showed and an orange flag when 80 level is crossed up

This script works better in 4 hrs period