Tidy up "diag_system_pftop.php" XHTML

Move PHP include FBEGIN between BODY and SCRIPT
Add CDATA sections to SCRIPTS
Merge "face" and "size" into on FONT tag and escape closing PRE and FONT
Remove duplicate opening FORM tag
Add SUMMARY to TABLES
Update HTML Boolean operators
Remove NAME statement from DIV tag
Add missing closing DIV tag