param (
    [string]$server = ".",
	[ValidateSet('hold','release')]
    [string]$action = "",
	[string]$job = "",
	[string]$group = ""
 )
add-type -path "c:\program files\arcana development\adtempus\4.0\ArcanaDevelopment.adTempus.Client.dll"
$adtempus=[ArcanaDevelopment.adTempus.Client.Scheduler]::Connect($server,[ArcanaDevelopment.adTempus.Shared.LoginAuthenticationType]::Windows,"","")
$context=$adtempus.NewDataContext()

if($job -ne "")
{
	$target=$context.GetJob($job)
}
elseif($group -ne "")
{
	if($group.Equals("\"))
	{
		$group=""
	}
	$target=$context.GetJobGroup($group)
}
else
{
    write-host ("Specify -job or -group")
}

if($target -ne $null)
{
	if($action.Equals("hold"))
	{
		$target.UpdateHoldType([ArcanaDevelopment.adTempus.Shared.HoldType]::DisableAll, [ArcanaDevelopment.adTempus.Shared.MissedJobCheckOptions]::NoCheck)
		write-host ("Held " + $target.ClassName + " " + $target.GetDescription())
	}
	elseif($action.Equals("release"))
	{
		$target.UpdateHoldType([ArcanaDevelopment.adTempus.Shared.HoldType]::NotHeld, [ArcanaDevelopment.adTempus.Shared.MissedJobCheckOptions]::NoCheck)
		write-host ("Released " + $target.ClassName + " " + $target.GetDescription())
	}
	else
	{
		write-host ("Invalid action")
	}
}
if($adTempus -ne $null)
{
	$adTempus.Dispose()
}