$(document).ready(function() {
   
    document.getElementById("sitemap").style.display = 'none';
    document.getElementById("pageOptions").style.display = 'none';
    document.getElementById("sitemapOption").style.visibility = 'visible';
    document.getElementById("pageOption").style.visibility = 'visible';    
    //$("#sitemap").slideUp("fast");
    //$("#sitemap").attr("style", "display=none");        
    
    // Toggle sitemap
    $("#sitemaplink").click(function() {
    
        if($("#sitemap").is(":hidden"))
        {
            $("#sitemap").slideDown("slow");
            $("#sitemapimage").attr("src", "/EnvSvc/images/collapse3.gif");
            //$("#sitemap").attr("style", "visibility=visible");
            return false;
        }
        else
        {
            $("#sitemap").slideUp("slow");
            $("#sitemapimage").attr("src", "/EnvSvc/images/expand3.gif");
            //$("#sitemap").attr("style", "visibility=hidden");
            return false;
        }	
        
        /*$("#sitemap").slideToggle(500);
        if($("#sitemap").is(":hidden"))
        { 
            $("#sitemapimage").attr("src", "/EnvSvc/images/collapse3.gif");
        }
        else
        {
            $("#sitemapimage").attr("src", "/EnvSvc/images/expand3.gif");
        }
        return false;*/
         	       
    });	
        	
    // Toggle sitemap
    $("#optionsLink").click(function() {
    
        if($("#pageOptions").is(":hidden"))
        {
            $("#pageOptions").slideDown("slow");
            $("#optionsimg").attr("src", "/EnvSvc/images/collapse3.gif");
            //$("#pageOptions").attr("style", "visibility=visible");
            return false;
        }
        else
        {
            $("#pageOptions").slideUp("slow");
            $("#optionsimg").attr("src", "/EnvSvc/images/expand3.gif");
            //$("#pageOptions").attr("style", "visibility=hidden");
            return false;
        }		       
        
        /*$("#pageOptions").slideToggle(500); 
        $("#optionsimg").attr("src", "/EnvSvc/images/collapse3.gif");
        return false;*/
    }); 
    
        
});

//// randomImage
//// Selects a random image for the homepage

function randomImage() // Random Image function
{
  var iNumImages = 8; // Number of images
  var aSource = new Array(iNumImages); // Path to the images
  var aAlttext = new Array(iNumImages); // Alt text
  var iRandomNumber = Math.floor(Math.random() * iNumImages);

  aSource = [
  "images/rotate/1.jpg",
  "images/rotate/2.jpg",
  "images/rotate/3.jpg",
  "images/rotate/4.jpg",
  "images/rotate/5.jpg",
  "images/rotate/6.jpg",
  "images/rotate/7.jpg",
  "images/rotate/8.jpg"
  ];

  aAlttext = [
  "Arizona Desert",
  "Arizona Desert",
  "Arizona Desert",
  "Arizona Desert",
  "Arizona Desert",
  "Arizona Desert",
  "Arizona Desert",
  "Arizona Desert"
  ];
  
  if ((document.getElementById) && document.getElementById('rotating_image'))
    document.getElementById('rotating_image').innerHTML = '<img src="' + aSource[iRandomNumber] + '" alt="' + aAlttext[iRandomNumber] + '" />';
}

//// portalOnload
//// This is called from navigation.js

function defaultOnload()
{
  randomImage();  // Select the random image for the "information about" section
}