--- Display search fields as product price, title, title a-z, category, manufacturer, label, date, characteristics and product existing attributes;
--- Ability for make price field and text type characteristics as slider range.
--- Restrict search to specific category (static by category ID(s) and auto by the category you are viewing);
--- Order search fields;
--- Display search fields in several columns;
--- Display search results in standard category view;
--- AJAX search results.