"use strict"
var SELECTED_BACKGROUND ="#2A790C"; 
var SELECTED_FOREGROUND ="#FFFFFF"; 
var RESTORED_BACKGROUND ="#FFFFFF"; 
var RESTORED_FOREGROUND ="#000000"; 

function mo_head( html_heading ) {
  document.menu_item_image.style.display = "none"; // hide picture of pizza
  var display_text = get_menu_head_text(html_heading)
  document.getElementById("chalkboard").innerHTML = display_text;
  // document.getElementById("chalkboard").innerHTML = get_menu_head_text(html_heading);
  html_heading.style.backgroundColor = SELECTED_BACKGROUND;
  html_heading.style.color = SELECTED_FOREGROUND;
  return( true );
}
function mo_item( html_menu_item, ingredients, image_file_name ) {
  html_menu_item.style.backgroundColor = SELECTED_BACKGROUND;
  html_menu_item.style.color = SELECTED_FOREGROUND;
  item_name = html_menu_item.innerHTML 
  document.getElementById( "chalkboard" ).innerHTML = '<span id="item-title">' + item_name + ' </span>' + ingredients;
  document.menu_item_image.style.display = "block"; // necessary to restore image
  document.menu_item_image.src = "/img/" + image_file_name;
  document.menu_item_image.alt = item_name;
  document.menu_item_image.title = item_name + ": " + ingredients;
  return( true );
}
function leave( element ) {
  element.style.backgroundColor = RESTORED_BACKGROUND;
  element.style.color = RESTORED_FOREGROUND;
  return( true );
}
function get_menu_head_text( obj_menu_head ) {
  return(document.getElementById('menu-description-' + obj_menu_head.id).innerHTML);
}


// //////////////// DISABLED 
function DISABLED_mo_head( html_menu_item, ingredients, image_file_name ) {
  html_menu_item.style.backgroundColor = SELECTED_BACKGROUND;
  html_menu_item.style.color = SELECTED_FOREGROUND;
  item_name = html_menu_item.innerHTML 
  document.getElementById( "chalkboard" ).innerHTML = '<b><i>' + item_name + ': </i></b>' + ingredients;
  document.menu_item_image.style.display = "block"; // necessary to restore image
  document.menu_item_image.src = "/img/" + image_file_name;
  document.menu_item_image.alt = item_name;
  document.menu_item_image.title = item_name + ": " + ingredients;
  return( true );
}