starting site or directory
(required; the part up to and including the last slash, or the whole URL for a home page)
example:
http://www.mywebsite.com/
starting page
(optional; the page name AFTER the last slash in the URL; leave blank if there isn't one)
example:
startfromhere.html
stop at image
url length to match
continue search from URL...
(if you stop loading and want to restart, ignoring all page finds before here...)
