Introduction 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 <script language="javascript" type="text/javascript" src="js/jquery.min.js"></script> <script language="javascript" type="text/javascript" src="js/textarea.js"></script> 2. add the following css <style type="text/css"> .autoHeight{border:1px solid #666666; width:300px; height:60px; line-height:20px; font:11px verdana; overflow:hidden;} </style> 3. add one textare html control <textarea class="autoHeight" id="textarea1"></textarea> 4. make it works <script language="javascript" type="text/javascript"> $(document).ready(function () { $(".autoHeight").TextAreaAutoHeight(); }); </script>