Horizontal mega menu on hover change each child menu . we are use in left side main menu with help of ul li tags with overflow scroll height. on right side hover show sub (child) menu in right side vertical align with hover show each child sub menu change step by step. This method is use mostly eCommerce website platform & which you want. i have show with demo code & download free in your system. this code is fully customize as well.Thanks for make jQuery plugin is developed by Madroid For more Helpfull for users, please check the demo page or visit the official website.