Version 3.5.17
Moved ob_start() to very top of file.
Moved basic security & error log settings to top of file, just after version #.
Improved responses to Left & Right arrows by allowing for skips in tabindex's.
 (ex: 1,2,3,5,6,10...)
Index_Page_scripts() : Added $TABINDEX_XBOX for the message box '[X]' box.
Display_Messages(): use $tabindex_xbox.
Reordered onmousedown and on_Tab_down functions to that order.
In on_Tab_down, renamed/gave a couple var's more intuitive names.
Uncheck "Clear All" ckbox on resorts, as file ckboxes are.
Adjusted some css.