i used the jquery trick to make my long submenu items scrollable. From the below url
https://css-tricks.com/long-dropdowns-solution/
But i have a problem, my menu section also contains third level submenu items. As soon as i use the script, the third level submenu items are getting disappered.
my site :
http://classifiedwebdesigns.com/demo/tndk/
it will be better, if someone helps me to solve this problem.