<!--
// Sorry,
// you don't
// understand Javascript
// hide from Javascript-challenged browsers

if (document.images) {
  on_button = new Image();
  on_button.src = "graphics/nav_on_button.gif";
  off_button = new Image();
  off_button.src = "graphics/nav_off_button.gif";
}

function aboutTour() {
  alert("This web ring will take you on a tour of Cattail's pages.  Enjoy!");
}

function changeImages(image_name, new_image, window_text) {
  if (document.images) {
    document[image_name].src = eval(new_image + ".src");
    if(window_text == "off")
      window_text = 
        "Navigation\n\nMove cursor over closed eye to display\ninformation.  Click eye to view page.";
    document.navigation.panel_display.value = window_text;
  }
}

function nextWindow(current_index) {
  current_index++;
  jumpThere(current_index);
}

function prevWindow(current_index) {
  current_index--;
  jumpThere(current_index);
}

function randWindow(current_index) {
  // set the maximum index so that it will loop and prevent errors
  var max_index = 8;

  var new_index=Math.round(Math.random()*max_index)

  if(new_index == current_index){
    new_index++;
  }
  jumpThere(new_index);
}

function jumpThere(new_index) {
  // set the maximum index so that it will loop and prevent errors
  var max_index = 8;

  if(new_index > max_index){
    new_index = 1;
  }
  if(new_index < 1){
    new_index = max_index;
  }

  switch (new_index){
    case 1 :
      window.location="index.html";
      break;
    case 2 :
      window.location="larptoc.html";
      break;
    case 3 :
      window.location="aa.html";
      break;
    case 4 :
      window.location="origami.html";
      break;
    case 5 :
      window.location="achieve.html";
      break;
    case 6 :
      window.location="ego_id.html";
      break;
    case 7 :
      window.location="visitor.html";
      break;
    case 8 :
      window.location="home.html";
      break;
    default :
      alert("Javascript error occurred. Contact site administrator.");
  }

}

// done hiding -->