var xmlHttp;

function getNavigation()
{
   xmlHttp = GetXmlHttpObject()
   
   if( xmlHttp == null )
   {
      alert( "Your browser does not support AJAX!" );
      return;
   }
   
   var url = "/customPages/navigation.php?sid=" + Math.random() + "&buttonsFor=EO";
   xmlHttp.onreadystatechange = stateChanged;
   xmlHttp.open( "GET", url, true );
   xmlHttp.send( null );
}

function stateChanged() 
{
   if( xmlHttp.readyState == 4 )
   {
      var prependNavigation = document.getElementById( "navigation" ).innerHTML;
      var navigation = xmlHttp.responseText;
      var exitNavigation = document.getElementById( "exit" ).innerHTML;

      var url = document.location.href;

      if( ( url.indexOf( "www.serioncertification.com" ) >= 0 ) || ( url.indexOf( "www.pmetrain.com" ) >= 0 ) )
      {
         document.getElementsByTagName( "body" )[ 0 ].innerHTML += '<div align="center" style="margin-top: 39px;">' +
                                                                   prependNavigation + navigation + exitNavigation +
                                                                   '</div>';
      }
      else
      {
         document.getElementsByTagName( "body" )[ 0 ].innerHTML += '<div align="center" style="height: 65%; margin-top: 39px; overflow: auto;">' +
                                                                   prependNavigation + navigation + exitNavigation +
                                                                   '</div>';
      }
   }
}

function GetXmlHttpObject()
{
   var xmlHttp = null;
   
   try
   {
      // Firefox, Opera 8.0+, Safari
      xmlHttp = new XMLHttpRequest();
   }
   catch( e )
   {
      // Internet Explorer
      try
      {
         xmlHttp = new ActiveXObject( "Msxml2.XMLHTTP" );
      }
      catch( e )
      {
         xmlHttp = new ActiveXObject( "Microsoft.XMLHTTP" );
      }
   }
   
   return xmlHttp;
}

document.getElementsByTagName( "table" )[ 0 ].style.display = "none";
document.getElementsByTagName( "table" )[ 1 ].style.display = "none";
window.onload = function() { eval( getNavigation() ) };