To swap 2 variable values without third variable

a=a+b
b=a-b
a=a-b

a b
2 3
5 2
3

Scrolling Text in RIA Design

How to scroll Text in RIA design?

Please go to the link http://weblogs.macromedia.com/pent/archives/2007/12/scrolling_text.html

To Archive|Compress Files Then Unarchive|Decompress in MAC & PC

MAC:
invisible->chmod 711 files
archive+compress->tar -czf name.tar.gz files
unarchive+decompress->hightlight file|right click|select
BOMAchiveHelper to extract to a folder

PC:
invisible->convert batch to executable file (*.bat to *.exe)
archive+compress->Add files in WinZip to archive and compress
unarchive+decompress->highlight file|right click|select Extract to a folder

To get folder files from Server to MAC and PC

MAC:
ditto /server destination
PC:
xcopy \\server destination /S /F /D