I try executing the following script using the Windows Scripting Host (v5.1):

dim browser

sub browser_DownloadComplete(disp, url)
WScript.Echo "URL " & url & " loaded."
end sub

set browser = CreateObject("InternetExplorer.Application", "browser_")
browser.menubar = false
browser.toolbar = false
browser.statusbar = false
browser.resizable = true
browser.Navigate "http://www.microsoft.com"
browser.visible = true


I get the following run-time error:

The remote server machine does not exist or is unavailable: 'CreateObject'

What gives?