Function Get-VAGroupMembers {

	#Fonction qui retourne tous les users d'un groupe et ces sousgroupe. 
	#La fonction retourne un array
	#Utilisation: Get-VAGroupMembers -Group "GRP_SHR_FINANCE"
	PARAM (
	[String]$Group
		)
	
	BEGIN{
	$strFilter = "(&(objectCategory=group)(name=" + $Group + "))"
	$objAD = New-Object System.DirectoryServices.DirectoryEntry
	
	$objSearcher = New-Object System.DirectoryServices.DirectorySearcher -Argumentlist $objAD,$strFilter
	$objGroup = $objSearcher.FindOne()
	$DNGroup = ($objGroup.GetDirectoryEntry()).DistinguishedName

	$objGroup = New-Object DirectoryServices.DirectoryEntry("LDAP://" + $DNGroup)
	$arrMembers = @()
	}
	PROCESS{
	If ($objGroup.objectclass[1] -eq 'group') {  
	  
		$objGroup.Member | ForEach {  
		$objMember = new-object DirectoryServices.DirectoryEntry("LDAP://" + $_)  
			If ($objMember.ObjectClass[1] -eq 'group') {
				$arrMembers += Get-VaGroupMembers -Group ($objMember.cn).ToString()
				}  
			Else {
				$arrMembers += ($objMember.SamAccountName).ToString()
				}  
			}  
		} 
	Else { 
		Write-Host -ForegroundColor Red "$Group n'est pas un groupe!"
		}
	}
	END{
	Return $arrMembers
	}
}