Technology Stuff: Find out the hidden online file

Today I use the online resources space. Instead of saving the file, I just open it. Then I save it. Since it got late, I guess I become not thinking. After i close it, I realize it is saved in a wiered place now. I used the search funtion and I cannot find it. Now i realized that i searched for documents only. I should search for all files because the folder that holds this file is a hidden one. After all, I remember the path to this kind of file: C:\Documents and Settings\accountname\Application Data\Microsoft\Office\Recent