I've a dropdown menu from menumaker here and I want to add little flag image before text of each menu

Here is the original url : www.laser-profi.com/test2

How it goes :



How it should be :



Here is part of that javascript code :

startSubmenu("mechanix_b2","mechanix_menu",146);
submenuItem("cyrillic_name1","javascript:;","","me chanix_plain");
submenuItem("cyrillic_name2","javascript:;","","me chanix_plain");
submenuItem("cyrillic_name3,"javascript:;","","mec hanix_plain");
submenuItem("cyrillic_name4","javascript:;","","me chanix_plain");
endSubmenu("mechanix_b2");

How can I do it?!

It's important for me. Thanks for attention!)