在PHP应用程序中取消挂起的AJAX请求?

I'm having problems canceling my XHR requests when navigating between pages. I have a page that has 8 requests that get fired off. I cancel them on click of a link outside of the current page. The page stalls as it waits on the next document to load. They XHR requests appear as cancelled in developer tools, but the new document stalls as if it is waiting for them to come back. I'm having problems canceling my XHR requests w