<!--
	domoticz-homeautomation-workbook function Weather_Forecast
	File / Data Source
	weather-forecast-2.html / datajsonfile

	Purpose
	To display a 9-DAY WEATHER FORECAST chart with temperature, air pressure, rainfall.
	Advanced version with option to select the location with lavel names from the location selector switch.
	
	Concept
	The history data is retrieved from a file holding the history data as JSON object.
	The file is created from data requested from the Norwegian Meteorological Instit