Separate CopyPreviousReport to a function and change file name.

Use a parameter to determine if load the images. New hotkey: Ctrl+Alt+0
will copy the report only.
Change indent

For highlight function.
Add new global var: currAccNo

For further comparison of different page.
Change back the function name to GetPreviousReport

Also record current acc_no in global var for further comparison.
Add new function: GetPrevExamDate

Can get the previous related exam date.