How can set the _root element to be the current page in context?

My start page is a search result. Getting there takes authentication as well as the right criteria. And than the results page has a "load more" pagination problem that is causing issues. If have the right search results to proceed, how can i set the root page to be the current page in context on Chrome. If Webscaper tries to open up another window, it will kill the search and other elements with it.

Please help.

Url: http://example.com

Sitemap:
{id:"sitemap code"}