function initPage() {
  // Seitentitel bestimmen
  var content_el = document.getElementById('content');
  document.title = "Maruhn - " + content_el.title;
  var new_title = document.createTextNode(content_el.title);
  document.getElementById('pagetitle').appendChild(new_title);
  content_el.removeAttribute('title');
  // Kategorien bestimmen
  var categories = content_el.getAttribute('alt').split(".");
  var category = categories[0];
  var subcategory = categories[1];
  content_el.removeAttribute('alt');
  // Menustruktur
  var menus = new Array();
  menus['bier'] = new Array("suche","archiv");
  menus['saft'] = new Array("suche","archiv");
  menus['wasser'] = new Array("suche","archiv");
  menus['wein'] = new Array("suche","archiv");
  menus['spirit'] = new Array("suche","whisky");
  for (var cat in menus) {
    var submenu = document.getElementById('navsub' + cat);
    if (cat == category) {
      // Submenus einblenden
      if (submenu) submenu.style.display = 'block';
      // Unterkategorie markieren
      for (var i = 0; i < menus[cat].length; i++) {
        var item = menus[cat][i];
        var menuitem = document.getElementById('nav' + cat + item).firstChild;
        if (item == subcategory) {
          if (menuitem) menuitem.style.fontWeight = 'bold';
        }
      }
    } else {
      if (submenu) submenu.style.display = 'none';
    }
  }
  // Animation initialisieren
  var headerimages = new Array();
  headerimages['main'] = new Array("../images/header/main1.jpg","../images/header/main2.jpg","../images/header/main3.jpg");
  headerimages['bier'] = new Array("../images/header/bier1.jpg","../images/header/bier2.jpg","../images/header/bier3.jpg","../images/header/bier4.jpg");
  headerimages['saft'] = new Array("../images/header/saft1.jpg","../images/header/saft2.jpg","../images/header/saft3.jpg","../images/header/saft4.jpg","../images/header/saft5.jpg");
  headerimages['wasser'] = new Array("../images/header/wasser1.jpg","../images/header/wasser2.jpg","../images/header/wasser3.jpg","../images/header/wasser4.jpg","../images/header/wasser5.jpg");
  headerimages['spirit'] = new Array("../images/header/spirit1.jpg","../images/header/spirit2.jpg","../images/header/spirit3.jpg","../images/header/spirit4.jpg");
  headerimages['wein'] = new Array("../images/header/wein1.jpg","../images/header/wein2.jpg","../images/header/wein3.jpg","../images/header/wein4.jpg");
  xa_init("headerimage","Fade()");
  for (var i = 0; i < headerimages[category].length; i++)
    xa_add(headerimages[category][i]);
  xa_loop(5000);
  // Popups initialisieren
  xp_init('popup','width=550,scrollbars=yes,resizable=yes');
  // Links einbinden
  var el = document.getElementById('bottomnav');
  xe_add(el,'click',function () {window.location = "http://www.edv-service-eberling.de";});
  el = document.getElementById('head');
  xe_add(el,'click',function () {window.location = "../main/main.htm";});
}

xe_add(window,'load',initPage);