1. This textarea is like the google calendar's description when you create one new or update one existence calendar;
2. Its height will be changed accroding to user's input;
3. Its scrollbar is removed, which makes it much user friendly. I guess you may like it.
Using the code
1. import the jquery.js and textarea.js
2. add the following css
.autoHeight{border:1px solid #666666; width:300px; height:60px; line-height:20px; font:11px verdana; overflow:hidden;}
3. add one textare html control
4. make it works
