Resizing the Html elements dynamically.

 <script language=javascript>  
        function resize_element()  
        {  
            document.form1.txt_comment.style.height'= '550px' 
            document.form1.txt_comment.style.width = '450px';  
        }  
    </script> 

<TextArea style = "width:350px; height: 350px" name = "txt_comment"></TextArea>  
<input type = button value = "Resize" onclick = "javascript:resize_element();">