function style_swap(object) {

  object.className = (object.className == 'on') ? 'off' : 'on';

}

function check_images() {
  
  for (var i = 0; i < document.images.lenght; i++) {
      document.images[i].onError = function() {
          alert('changing image');
          this.src = 'http://dev.upiko/images/error.gif';
      }
  }
  
}

function check_image(object) {
    object.src="http://dev.upiko/images/error.gif";
}

function bookmark(url, title) {

  if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {
    
    window.external.AddFavorite(url, title);
  
  }
  else {
  
    alert('Please press CTRL-D to bookmark us!');
  }

}

function imageError(object) {
  object.src="http://dev.upiko/images/products/error.gif";
}