If condition Then
   statements
[ ElseIf condition Then
   statements ]
[ Else
   statements ]
End If


Conditionally executes a group of statements depending on the value of an expression.


Example:

If Trim($sMemWeb) = "" Then
   $iStatusCode = 2
   $sStatusMessage = "Error processing Plugin"
ElseIf $sMemWeb <> $sMemLocal Then
   $iStatusCode = 1
   $sStatusMessage = "Plugin processed"
Else
   $sStatusMessage = "Plugin processed"
End If