Powershell IIS Website, AppPool management/automation

$strSvr = "test-pc"

    New-PSSession $strSvr

Write-host " starting server connection"
    Enter-PSSession -ComputerName $strSVR

write-host " ending server connection"

    $strName = "tech-jockey.com"
    $strUsr=   "tech-jockey.com\jockey"
    $strPass = "teremeresapne@123"
    $strPath = "c:\newsite"
    $strNewURL = ""

    #Load WebAdmin Snap-in if needed.
    $iisVersion = Get-ItemProperty "HKLM:\software\microsoft\InetStp";
    if ($iisVersion.MajorVersion -eq 7)
    {
        if ($iisVersion.MinorVersion -ge 5)
        {
            Import-Module WebAdministration;
        }        
        else
        {
            if (-not (Get-PSSnapIn | Where {$_.Name -eq "WebAdministration";}))
            {
                        Add-PSSnapIn WebAdministration;
            }
        }
    }
write-host "creating application pool"
    #Create App Pool
    $AppPoolName="NewWebsitePool"
    New-WebAppPool -Name $AppPoolName
    Set-ItemProperty ("IIS:\AppPools\" + $AppPoolName) -name processModel.identityType -value 3
    Set-ItemProperty ("IIS:\AppPools\" + $AppPoolName) -name processModel.username -value $strUsr

    Set-ItemProperty ("IIS:\AppPools\" + $AppPoolName) -name processModel.password -value $strPass

   write-host "creating website"
    #Create Web Site
    $WebSiteName="NewWebSite"
    New-Website –Name $WebSiteName –Port 81 –HostHeader $strNewURL –PhysicalPath $strPath
    Set-ItemProperty ("IIS:\Sites\" + $WebSiteName) -name applicationPool -value $AppPoolName
    Set-ItemProperty ("IIS:\Sites\" + $WebSiteName) -name ..username -value $strUsr
    Set-ItemProperty ("IIS:\Sites\" + $WebSiteName) -name ..password -value $strPass
   write-host "ending connection"


    #Exit Remote Session
    Exit-PSSession
    Remove-PSSession -ComputerName $strSvr
Import-Module WebAdministration
start-website -Name $WebSiteName