menu module modification in php at prestashop estore

Hello im dimitris im from Greece and i develope a site in [login to view URL] skills in php lack so i need [login to view URL] site [login to view URL] been done by a paid template its name is WAREHOUSE and it comes with its own MEGAMENU ehich called [login to view URL] i need to do is [login to view URL] of multilingual needs as i finally will add about 10 Lanquages i want the TOPHORIZONTAL menu to be able to short all subcategories alphabetically which it does by defalut and also to be shown even when the number of child subcategories are [login to view URL] defalut it can saw only 15 lines and then it doesnt wrap the menu just hides [login to view URL] other words: TOPHORIZONTAL menu CATEGORIES-->>VEGETABLES/ECH Child subcategories-->>Artichoke,auburgine,beetroot,onion....MORE THAN 50 I need the child subcategories shorted alphabetically and even. Plz look at the pic i send.I need something like this but with one subcategory .Can you do this?