function on(objRef, colorLevel) {
	if (colorLevel == 1) 
		objRef.style.backgroundColor = "#3F6363"
	else if (colorLevel == 2)
		objRef.style.backgroundColor = "#4B7777";
}

function off(objRef, colorLevel) {
	if (colorLevel == 1) 
		objRef.style.backgroundColor = "#2D4747"
	else if (colorLevel == 2)
		objRef.style.backgroundColor = "#3F6363";
}