// Copyright (C) 2010 Aaron Merriman. All rights reserved.

var current_image = 2,
    current_opacity = 0,
    anim_going = false;

function change_top_nav(nav_number,nav_color) {
 hide_submenus();
 if (nav_color) {
  document.getElementById('ntl_0' + nav_number).style.backgroundPosition = "left bottom";
  document.getElementById('ntr_0' + nav_number).style.backgroundPosition = "right bottom";
  for (temp_value = 2; temp_value < 8; temp_value++) {
   document.getElementById('top_sub_0' + temp_value).style.display = "none";
  }
  if (nav_number > 1) {
   document.getElementById('top_sub_0' + nav_number).style.display = "block";
  }
 } else {
  document.getElementById('ntl_0' + nav_number).style.backgroundPosition = "left top";
  document.getElementById('ntr_0' + nav_number).style.backgroundPosition = "right top";
 }
}

function hide_submenus() {
 document.getElementById('top_lower_31').style.display = "none";
 document.getElementById('top_lower_32').style.display = "none";
 document.getElementById('top_lower_33').style.display = "none";
 document.getElementById('top_lower_34').style.display = "none";
 document.getElementById('top_lower_35').style.display = "none";
 document.getElementById('top_lower_36').style.display = "none";
 document.getElementById('top_lower_53').style.display = "none";
}

function show_submenu(sub_number,menu_number) {
 hide_submenus();
 document.getElementById('top_lower_' + sub_number + menu_number).style.display = "block";
}

function just_show_menu(just_show_number) {
 hide_submenus();
 for (temp_value = 2; temp_value < 8; temp_value++) {
  document.getElementById('top_sub_0' + temp_value).style.display = "none";
 }
 document.getElementById('top_sub_0' + just_show_number).style.display = "block";
}

function just_show_2_menus(just_show_number,lower_number) {
 hide_submenus();
 for (temp_value = 2; temp_value < 8; temp_value++) {
  document.getElementById('top_sub_0' + temp_value).style.display = "none";
 }
 document.getElementById('top_sub_0' + just_show_number).style.display = "block";
 document.getElementById('top_lower_' + lower_number).style.display = "block";
}