tablesorter

tablesorter is a jQuery plugin for turning a standard HTML table with THEAD and TBODY tags into a sortable table without page refreshes. tablesorter can successfully parse and sort many types of data including linked data in a cell. This forked version adds lots of new enhancements including: alphanumeric sorting, pager callback functons, multiple widgets … Continue reading

jQuery Alphanum

Restrict what characters that may be entered into text fields. Supports alphanumeric, alphabetic or numeric. Easy to use. Fully customisable. Cross Browser compatible.