Scripts: Change Chart and Timeframe

[Automated-Trading]

Change Chart and Timeframe:

Modified scripts to change Charts(next,previous) and Timeframes(higher,lower) of all charts quickly by hotkeys.

• script ChartNext: change to next Chart;
• script ChartBefore: change to previous Chart;
• script PeriodNext: select higher timeframe of all Charts;
• script PeriodBefore: select lower timeframe of all Charts;

Author: Jens