function cm_coloring ($item, $value)
{
	$green = "#00FF00";
	$yellow = "#FFFF00";
	$red = "#FF0000";
	 
	switch($item)
	{
		case "dsrx_power":
			if (($value <= -10) || ($value >= 10))
			{
				$color = $red;
			}
			elseif (($value > -10) and ($value < 10))
			{
				$color = $yellow;
			}
			elseif (($value >= -2.5) and ($value <= 2.5))
			{
				$color = $green;
			}
			break;
	}
	
	return $color;
}