To create your OPML file from this temporary page, right-click and select "View source" (for Internet Explorer), "View page source" (Firefox) or "Source" (Opera). Copy the entire content of the file to the clipboard (Ctrl+A, Ctrl+C). Paste the copied content in your favourite text editor file on your desktop, then save it (File > Save As...) with a filename, i.e. "myjournals.opml" or "myjournals.xml", etc.