SendTextEMail( "test@test.com", "you@test.com", "Subject", "This is the body" ); 

function SendTextEMail( from, to, subject, body )
{
  try
  {
    var cdo = new ActiveXObject( "CDO.Message" );
    cdo.From     = from;
    cdo.To       = to;
    cdo.Subject  = subject;
    cdo.TextBody = body;
    cdo.Send(); 
  }
  catch( e )
  {
    WScript.Echo( "Error: " + e.description );
  }
}