private function buildPackages($number, $weight, $measurement = 'LBS')
	{
		$packages = array();
		if($number > 1)
		{
			$individual_weight = $weight / $number;
			for($i = 0; $i < $number; $i++)
			{
				$packages[] = '<Package>
					<PackagingType>
						<Code>02</Code>
					</PackagingType>
					<PackageWeight>
						<UnitOfMeasurement>
							<Code>' . $measurement . '</Code>
						</UnitOfMeasurement>
						<Weight>' . $individual_weight . '</Weight>
					</PackageWeight>
				</Package>';
			}
		}
		else
		{
			$packages[] = '<Package>
				<PackagingType>
					<Code>02</Code>
				</PackagingType>
				<PackageWeight>
					<UnitOfMeasurement>
						<Code>' . $measurement . '</Code>
					</UnitOfMeasurement>
					<Weight>' . $weight . '</Weight>
				</PackageWeight>
			</Package>';
		}

		return implode('', $packages);
	}