// JavaScript Document
function aboutBrand_open() {
  $('#aboutBrandNav').removeClass("aboutBrandNav_off"); 
  $('#aboutBrandNav').addClass("aboutBrandNav_on");
  $('#aboutProduct_plus').removeClass("aboutProduct_plus"); 
  $('#aboutProduct_plus').addClass("aboutProduct_plus_on"); 
  $('.aboutBrandContent_wrapper').css( {display: "block"} );
}
function aboutBrand_close() {
  $('#aboutBrandNav').removeClass("aboutBrandNav_on"); 
  $('#aboutBrandNav').addClass("aboutBrandNav_off"); 
  $('#aboutProduct_plus').removeClass("aboutProduct_plus_on"); 
  $('#aboutProduct_plus').addClass("aboutProduct_plus");
  $('.aboutBrandContent_wrapper').css( {display: "none"} );
}