var navUrl = new Array(15 + 1);
    var navIndex = 0;
    for (navIndex = 0; navIndex < navUrl.length; navIndex++) {
      navUrl[navIndex] = new Array(3);
    }
    navIndex = 0;
    navUrl[navIndex][0] = 'content.html';
    navUrl[navIndex][1] = '';
    navUrl[navIndex++][2] = '';
    
    navUrl[navIndex][0] = 'c_villa.html';
    navUrl[navIndex][1] = 1;
    navUrl[navIndex++][2] = 1;
  
    navUrl[navIndex][0] = 'c_salon.html';
    navUrl[navIndex][1] = 1;
    navUrl[navIndex++][2] = 2;
  
    navUrl[navIndex][0] = 'c_patio.html';
    navUrl[navIndex][1] = 1;
    navUrl[navIndex++][2] = 3;
  
    navUrl[navIndex][0] = 'c_schlafraum.html';
    navUrl[navIndex][1] = 1;
    navUrl[navIndex++][2] = 4;
  
    navUrl[navIndex][0] = 'c_terrasse.html';
    navUrl[navIndex][1] = 1;
    navUrl[navIndex++][2] = 5;
  
    navUrl[navIndex][0] = 'fuerteventura.html';
    navUrl[navIndex][1] = 2;
    navUrl[navIndex++][2] = 1;
  
    navUrl[navIndex][0] = 'costacalma.html';
    navUrl[navIndex][1] = 2;
    navUrl[navIndex++][2] = 2;
  
    navUrl[navIndex][0] = 'playadesotavento.html';
    navUrl[navIndex][1] = 2;
    navUrl[navIndex++][2] = 3;
  
    navUrl[navIndex][0] = 's_preisliste.php';
    navUrl[navIndex][1] = 3;
    navUrl[navIndex++][2] = 1;
  
    navUrl[navIndex][0] = 'w_preisliste.php';
    navUrl[navIndex][1] = 3;
    navUrl[navIndex++][2] = 2;
  
    navUrl[navIndex][0] = 'buchungsanfrage.html';
    navUrl[navIndex][1] = 3;
    navUrl[navIndex++][2] = 3;
  
    navUrl[navIndex][0] = 'flugverb.html';
    navUrl[navIndex][1] = 3;
    navUrl[navIndex++][2] = 4;
  
    navUrl[navIndex][0] = 'feedback.html';
    navUrl[navIndex][1] = 4;
    navUrl[navIndex++][2] = 1;
  
    navUrl[navIndex][0] = 'guestmail.html';
    navUrl[navIndex][1] = 4;
    navUrl[navIndex++][2] = 2;
  
    function pressButton(num) {
      normalButtons();
      normalNavpoints();
      changeButton(num, 'p');
    }
    function highlightButton(num) {
      if (document.images) {
        if (document.images['button' + num].src.indexOf("buttonp") == -1) { 
          changeButton(num, 'h');
        }
      }
    }
    function normalButton(num) {
      if (document.images) {
        if (document.images['button' + num].src.indexOf("buttonp") == -1) { 
          changeButton(num, '');
        }
      }
    }
    function pressNavpoint(num) {
      normalNavpoints();
      changeNavpoint(num, 'p');
    }
    function highlightNavpoint(num) {
      if (document.images) {
        if (document.images['navpoint' + num].src.indexOf("navpointp") == -1) { 
          changeNavpoint(num, 'h');
        }
      }
    }
    function normalNavpoint(num) {
      if (document.images) {
        if (document.images['navpoint' + num].src.indexOf("navpointp") == -1) { 
          changeNavpoint(num, '');
        }
      }
    }
    function normalButtons() {
      for (i = 1; i <= 4; i++) {
        changeButton(i,'');
      }
    }
    
      var bu1 = new Image();
      var buh1 = new Image();
      var bup1 = new Image();
    
      var bu2 = new Image();
      var buh2 = new Image();
      var bup2 = new Image();
    
      var bu3 = new Image();
      var buh3 = new Image();
      var bup3 = new Image();
    
      var bu4 = new Image();
      var buh4 = new Image();
      var bup4 = new Image();
    
    var navpoint = new Image();
    var navpointh = new Image();
    var navpointp = new Image();