Its a drop-in stylish replacement for the standard
multiple attribute activated, which creates an interface of 2 lists side by side.
The zip file contains dualList.css file inside css folder, and dualList.js and dualList.min.js (minified version) inside js folder, which are ready to use.
Installing jQuery Dual List is pretty straight forward. Simply include the both the jQuery, jQuery Dual List and CSS library file e.g. jQuery dualList.js and dualList.css like this:
You can easily apply jQuery Dual List on a standard
multipleattribute activated like this –
orginal product link