%}>
{% endmacro %}


/**
* Displays a (partly) filled tank
*
* @param {id=} unique id for this widget (optional)
* @param {item(num)} an item for the actual position of filled tank
* @param {value=0} the value for empty (optional, default 0)
* @param {value=255} the value for full (optional, default 255)
* @param {value=5} step between two values (optional, default 5, for future use)
* @param {text(none,cylinder,water,pellets)=none} the mode: 'none', 'cylinder', 'water', 'pellets' (optional, default 'none')