script.js

// JavaScript Document

(function($){

Drupal.behaviors.lang_dropdown.attach = function(context, settings) {
  $('.arrow-button').click(function () {
    if( $('.block-main-menu .content ul.menu').css('height') == '38px') {
      $('.block-main-menu .content ul.menu').css("height","306px");
      $('.zone-branding-wrapper').css("height", "306px");
    $('header').css("height", "306px");
    }
    else {
      $('.block-main-menu .content ul.menu').css("height","38px");
      $('.zone-branding-wrapper').css("height", "38px");
    $('header').css("height", "255px");
    }
  });
  
  
  function resize() {
    if( $('.zone-branding-wrapper .container-12').css('width') == '960px' || $('.zone-branding-wrapper .container-12').css('width') == '1200px' ){
      $('.block-main-menu .content ul.menu').css("height","38px");
      $('.zone-branding-wrapper').css("height", "38px");
      $('header').css("height", "255px");
    }
  }
  
  $(window).resize(resize);
}

})(jQuery);