Firefox於TextArea限制

FireFOX於TextArea與其他瀏覽器不同，用jquery處理換值、style改變，可以一併解決。

Progress Bar

key word:ajax Progress Bar

http://www.west-wind.com/wconnect/webcontrols/progressBar.wcsx
http://www.redips.net/javascript/ajax-progress-bar/
http://www.webappers.com/progressBar/

30 CSS3 Progress Bars 100% Free for Download

簡單用法：juqery animate