// Preload  Images
if (document.images) {
  home_on = new Image(); home_on.src = "images/home_on.gif";
  products_on = new Image(); products_on.src = "images/products_on.gif";
  solutions_on = new Image(); solutions_on.src = "images/solutions_on.gif";
  support_on = new Image(); support_on.src = "images/support_on.gif";
  about_on = new Image(); about_on.src = "images/about_on.gif";
  news_on = new Image(); news_on.src = "images/news_on.gif";
  vug_on = new Image(); vug_on.src = "images/vug_on.gif";
  
  
}