Powershell v2 and Sharepoint 2007 - Empty huge recycle bin - HOW?

Hi all

I need to delete the First and Second stage Recycle bin for all of our personal sites, as the total size of these has somehow exceeded 140GB.

I am however stuck as to how to do this. I have tried lots of Powershell scripts to get this done, but nothing has worked. I also tried to just switch off the Recycle Bin but this operation just times out, as the Bin is too large now for this to work.

My most recent Powershell script that I tried is the only one that didnt throw any errors and seemed to do something for about 6 seconds, but checking the recycle bin for the site I tried it against shows that it is still full:

param([string]$Url, [switch]$help)

[void][System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SharePoint")

function GetHelp() 
{
$HelpText = @"

DESCRIPTION:
NAME: Remove-SPSiteSecondStageRecycleBin
Empties the second-stage recycle bin for a Microsoft.SharePoint.SPSite Collection

PARAMETERS: 
-url        Url to SharePoint Site Collection

SYNTAX:

Remove-SPSiteSecondStageRecycleBin -url http://ansafile

Empties the second stage recycle bin for the SiteCollection.

Remove-SPSiteSecondStageRecycleBin -help

Displays the help topic for the script

"@
$HelpText
}

function Remove-SPSiteSecondStageRecycleBin([string]$url) 
{
    $siteCollection = New-Object Microsoft.SharePoint.SPSite($url);  
        
    $recycleQuery = New-Object Microsoft.SharePoint.SPRecycleBinQuery;
    $recycleQuery.ItemState = [Microsoft.SharePoint.SPRecycleBinItemState]::SecondStageRecycleBin;
    $recycleQuery.OrderBy = [Microsoft.SharePoint.SPRecycleBinOrderBy]::Default;

    $recycledItems = $siteCollection.GetRecycleBinItems($recycleQuery);

    $count = $recycledItems.Count;
                        
    for($i = 0; $i -lt $count; $i++)
    {
        $g = New-Object System.Guid($recycledItems[$i].ID);
        $recycledItems.Delete($g);
    }
    $siteCollection.Dispose()
}

if($help) { GetHelp; Continue }
if($url) { Remove-SPSiteSecondStageRecycleBin -url $url }

After pressing Enter after adding the above, I then entered the below into Powershell:

Remove-SPSiteSecondStageRecycleBin -url http://ansafile

This seemed to do something, but not what I needed it to do, ie delete the recycle bin for the whole sharepoint installation. ANSAFILE is the internal name of the Sharepoint site. Also, I am using Powershell v2, in an ISE window. My server is running Windows Server 2008 Std x64 edition. Sharepoint version is 12.0.0.6565
 
Hopefully someone can help, as I have never used Powershell before, and had to take over the Sharepoint which I have never done before either, and its a bit of a struggle
 
Thanks to all
Naz