$(document).ready(function() {
  $(".multitab_page_bodies_body").hide();
  $("#multitab_page_bodies_body_0").show();
  $("#multitab_page_bodies_body_0").addClass('multitab_page_displayed');
    
  $(".multitab_tabs_tab").click(function() {
    //Change which main page body is active

    //Get some information
    var id = $(this).attr("id");
    var id_components = id.split("_");
    var id_num = id_components[3];
    var new_id = "#multitab_page_bodies_body_" + id_components[3];

    var old_id = $(".multitab_page_displayed").attr("id");
    var old_id_components = old_id.split("_");
    var old_id_num = old_id_components[4];

    //If we are changing tabs, slide the old page body out and the new one in.
    if (old_id_num != id_num) {
      $(new_id).show();
      $(".multitab_page_displayed").hide();

      $(".multitab_page_displayed").removeClass('multitab_page_displayed');
      $(new_id).addClass('multitab_page_displayed');
    }
  });
});