// JavaScript Document
// Preload image - incase they are large images.
if(document.images){
  var menu_home = new Image(); menu_home.src = "./images/menu_home.jpg";
  var menu_home2 = new Image(); menu_home2.src = "./images/menu_home2.jpg";
  var menu_products = new Image(); menu_products.src = "./images/menu_products.jpg";
  var menu_products2 = new Image(); menu_products2.src = "./images/menu_products2.jpg";
  var menu_about = new Image(); menu_about.src = "./images/menu_about.jpg";
  var menu_about2 = new Image(); menu_about2.src = "./images/menu_about2.jpg";
  var menu_case_studies = new Image(); menu_case_studies.src = "./images/menu_case_studies.jpg";
  var menu_case_studies2 = new Image(); menu_case_studies2.src = "./images/menu_case_studies2.jpg";
  var menu_faq = new Image(); menu_faq.src = "./images/menu_faq.jpg";
  var menu_faq2 = new Image(); menu_faq2.src = "./images/menu_faq2.jpg";
  var menu_contact = new Image(); menu_contact.src = "./images/menu_contact.jpg";
  var menu_contact2 = new Image(); menu_contact2.src = "./images/menu_contact2.jpg";
  var menu_downloads = new Image(); menu_downloads.src = "./images/menu_downloads.jpg";
  var menu_downloads2 = new Image(); menu_downloads2.src = "./images/menu_downloads2.jpg";
  var menu_shop = new Image(); menu_shop.src = "./images/menu_shop.jpg";
  var menu_shop2 = new Image(); menu_shop2.src = "./images/menu_shop2.jpg";
  var menu_services = new Image(); menu_services.src = "./images/menu_services.jpg";
  var menu_services2 = new Image(); menu_services2.src = "./images/menu_services2.jpg";  
  var menu_cleanse = new Image(); menu_cleanse.src = "./images/menu_cleanse.jpg";
  var menu_cleanse2 = new Image(); menu_cleanse2.src = "./images/menu_cleanse2.jpg";
}

function change_home(imageName){
  if(document.images){ document['menu_home'].src = eval(imageName + ".src"); }
}

function changeBack_home(){
  if(document.images){ document['menu_home'].src = menu_home.src; }
}

function change_products(imageName){
  if(document.images){ document['menu_products'].src = eval(imageName + ".src"); }
}

function changeBack_products(){
  if(document.images){ document['menu_products'].src = menu_products.src; }
}

function change_about(imageName){
  if(document.images){ document['menu_about'].src = eval(imageName + ".src"); }
}

function changeBack_about(){
  if(document.images){ document['menu_about'].src = menu_about.src; }
}

function change_case_studies(imageName){
  if(document.images){ document['menu_case_studies'].src = eval(imageName + ".src"); }
}

function changeBack_case_studies(){
  if(document.images){ document['menu_case_studies'].src = menu_case_studies.src; }
}

function change_faq(imageName){
  if(document.images){ document['menu_faq'].src = eval(imageName + ".src"); }
}

function changeBack_faq(){
  if(document.images){ document['menu_faq'].src = menu_faq.src; }
}

function change_contact(imageName){
  if(document.images){ document['menu_contact'].src = eval(imageName + ".src"); }
}

function changeBack_contact(){
  if(document.images){ document['menu_contact'].src = menu_contact.src; }
}

function change_downloads(imageName){
  if(document.images){ document['menu_downloads'].src = eval(imageName + ".src"); }
}

function changeBack_downloads(){
  if(document.images){ document['menu_downloads'].src = menu_downloads.src; }
}

function change_shop(imageName){
  if(document.images){ document['menu_shop'].src = eval(imageName + ".src"); }
}

function changeBack_shop(){
  if(document.images){ document['menu_shop'].src = menu_shop.src; }
}

function change_services(imageName){
  if(document.images){ document['menu_services'].src = eval(imageName + ".src"); }
}

function changeBack_services(){
  if(document.images){ document['menu_services'].src = menu_services.src; }
}

function change_cleanse(imageName){
  if(document.images){ document['menu_cleanse'].src = eval(imageName + ".src"); }
}

function changeBack_cleanse(){
  if(document.images){ document['menu_cleanse'].src = menu_cleanse.src; }
}