Updated Readme

Added explanation of how to use floatingHeader option to make thead
floating when scrolling the page up and down.

Author: goh-chunlin

README.md

@@ -22,6 +22,9 @@ To keep it simple, OneSimpleTablePaging only has two things for the users to con
  * Set the position of the pagination bar (can be either on top or bottom of the table):
    * *$('#main-table').oneSimpleTablePagination({topNav: true});*
    * The code above will have the pagination bar positioned on top of the table.
+ * Make the header of the table floating (aka sticky thead):
+   * *$('#main-table').oneSimpleTablePagination({floatingHeader: true});*
+   * The code above will have the header of table floating when scrolling page up and down.
 
 By default, rowsPerPage is 10 and topNav is false.
 
@@ -33,4 +36,6 @@ By default, rowsPerPage is 10 and topNav is false.
 
 The code in this project is based on Ryan Zielke's tablePagination (http://neoalchemy.org/tablePagination.html) which is licensed under the MIT licenses: http://www.opensource.org/licenses/mit-license.php. Button designs are based on Google+ Buttons in CSS design from Pixify (http://pixify.com/blog/use-google-plus-to-improve-your-ui/).
 
+The floating <thead> concept is copied from http://stackoverflow.com/a/4709775/1177328 and http://codepen.io/jgx/pen/wiIGc.
+
 You can read more about this project at my blog: http://cuteprogramming.wordpress.com/2012/04/07/259/