$(document).ready(function() {
 if ((window.location.pathname == '/') || (window.location.pathname == '/index.aspx')) {
  $("#header").css('background','url(images/header/header_bg_index.png) no-repeat');
  $("#content").css('background','url(images/content_bg_index.png) no-repeat');
 } else {
  $("#header").css('background','url(images/header/header_bg.png) no-repeat');
  $("#content").css('background','url(images/content_bg.png) no-repeat');
 }
 
 if (current_page == 'instructions') {
  $("#instructions_button").removeClass('nav_button_off').addClass('nav_button_on');
 }
 
 if (current_page == 'key') {
  $("#key_button").removeClass('nav_button_off').addClass('nav_button_on');
 }
 
 if (current_page == 'links') {
  $("#links_button").removeClass('nav_button_off').addClass('nav_button_on');
 }
 
 if (current_page == 'index') {
  $("#home_button").removeClass('nav_button_off').addClass('nav_button_on');
 }
 
 $('#exsite').jqm();
 $('a.jqModal').click(function() {
  $('#site').attr('href', $(this).attr('href'));
 });
});