function siteupdown{
## Display Help
if (($Args[0] -eq "-?") -or ($Args[0] -eq "-help")) {
   ""
   "Usage: SysinternalsSiteTest.ps1 -alert
<address> -log"
   "       -alert
<address>      Send e-mail alerts"
   "       -log                  Log results"
   ""
   "Example: SysinternalsSiteTest.ps1 -alert somebody@nospam.com -log"
   ""
   exit
}
 
## Create the variables
$global:GArgs = $Args
 
$urlsToTest = @{}
$urlsToTest["SP2010"] = "http://sp2010/Pages/default.aspx"
## Add more URLs for monidoting **Note URL cannot be rediriecting urls.
#$urlsToTest["TechNet Redirect"] = "http://www.microsoft.com/sysinternals"
#$urlsToTest["Sysinternals Home"] = "http://www.microsoft.com/technet/sysinternals/default.mspx"
#$urlsToTest["Sysinternals Forum"] = "http://forum.sysinternals.com"
#$urlsToTest["Sysinternals Blog"] = "http://blogs.technet.com/sysinternals"
#$urlsToTest["Sysinternals Downloads"] = "http://download.sysinternals.com/Files/NtfsInfo.zip"
 
$successCriteria = @{}
$successCriteria["SP2010"] = "*press releases*"
## Add more success criteria here.
#$successCriteria["TechNet Redirect"] = "*Mark Russinovich*"
#$successCriteria["Sysinternals Home"] = "*Mark Russinovich*"
#$successCriteria["Sysinternals Forum"] = "*Sysinternals Utilities*"
#$successCriteria["Sysinternals Blog"] = "*Sysinternals Site Discussion*"
#$successCriteria["Sysinternals Downloads"] = "*ntfsinfo.exe*"
 
## Set Username Password and domain here
$Username = 'be'
$Password = 'password!!!1'
$Domain = 'gen'
 
## sets up the call
$webClient = new-object System.Net.WebClient
$webClient.credentials = New-Object System.Net.NetworkCredential($Username, $Password, $Domain)
 
foreach ($key in $urlsToTest.Keys) {
   $alert = $false
   $output = ""
 
   $startTime = get-date
   $output = $webClient.DownloadString($urlsToTest[$key])
   $endTime = get-date
 
   if ($output -like $successCriteria[$key]) {
      $key + "`t`tSuccess`t`t" + $startTime.DateTime + "`t`t" + ($endTime - $startTime).TotalSeconds + " seconds"
 
      if ($GArgs -eq "-log") {
         $key + "`t`tSuccess`t`t" + $startTime.DateTime + "`t`t" + ($endTime - $startTime).TotalSeconds + " seconds" >> WebSiteTest.log
      }
   } else {
      $key + "`t`tFail`t`t" + $startTime.DateTime + "`t`t" + ($endTime - $startTime).TotalSeconds + " seconds"
	  $alert = $true
      if ($GArgs -eq "-log") {
         $key + "`t`tFail`t`t" + $startTime.DateTime + "`t`t" + ($endTime - $startTime).TotalSeconds + " seconds" >> WebSiteTest.log
		 $alert = $true
      }
 
      if ($alert -eq $true) {
         Write-Host "Sending Email"
		 ## Set email settings Below. $emailFrom, $EmailTo, $smtpServer
		 $emailFrom = "email@nospam.com"
         $emailTo = "email@nospam.com"
         $subject = "URL Test Failure - " + $startTime
         $body = "URL Test Failure: " + $key + " (" + $urlsToTest[$key] + ") at " + $startTime
         $smtpServer = "smtp.nospam.com"
         $smtp = new-object Net.Mail.SmtpClient($smtpServer)
         $smtp.Send($emailFrom,$emailTo,$subject,$body)
      }
   }
}
}
## Makes the script run forever.
$i=1
for ($i -le 5; $i++)
{
## Change the number, to change check site interval. 1 = 1 seconds, 30 = 30 seconds, etc..
sleep 30;
siteupdown}
</address></address>