var Home = "images/home1.gif";
  var swapHome = "images/home2.gif";
  var preloadswapHome = new Image();
  preloadswapHome.src = swapHome;

  var About = "images/aboutus1.gif";
  var swapAbout = "images/aboutus2.gif";
  var preloadswapAbout = new Image();
  preloadswapAbout.src = swapAbout;


  var Sale = "images/sale1.gif";
  var swapSale = "images/sale2.gif";
  var preloadswapSale = new Image();
  preloadswapSale.src = swapSale;

  var Lease = "images/lease1.gif";
  var swapLease = "images/lease2.gif";
  var preloadswapLease = new Image();
  preloadswapLease.src = swapLease;

  var Pr = "images/pr1.gif";
  var swapPr = "images/pr2.gif";
  var preloadswapPr = new Image();
  preloadswapPr.src = swapPr;      
  
  var Emp = "images/emp1.gif";
  var swapEmp = "images/emp2.gif";
  var preloadswapEmp = new Image();
  preloadswapEmp.src = swapEmp;     
  
  var Contact = "images/contact1.gif";
  var swapContact = "images/contact2.gif";
  var preloadswapContact = new Image();
  preloadswapContact.src = swapContact;


    
var timerID = null;
var timerOn = false;
var currentRollover = false;
var currentMenuLayer = false;


var n6 = false; 
var nn = false; 
var ie = false;

if (document.getElementById && !document.all) 
{
  n6 = true;    
}
else if (document.all) 
{ 
  ie = true;    
} 
else if (document.layers) 
{ 
  nn = true;  
}


function showLayer(obj, layer)
{   
  if(layer == 'sale')
    document['saleImage'].src = swapSale;
  else if(layer == 'lease')
    document['leaseImage'].src = swapLease;
      
  currentRollover = obj;
    
  if(currentMenuLayer = getObj(layer))
  {            
    newPos = obj.offsetLeft;               
    if (ie) 
    {     
      currentMenuLayer.style.posLeft = newPos;
    }
    else
    {
      currentMenuLayer.style.left = newPos;
    }      
    currentMenuLayer.style.visibility = 'visible';    
  }
}

function highlightOn(obj)
{
  obj.className = "Highlight"; 
}

function highlightOff(obj)
{
  obj.className = "Normal";
}

function startTime() 
{
  if (timerOn == false) 
  {
    timerID=setTimeout( "hideAll()" , 650);
    timerOn = true;
  }
}

function stopTime() 
{
  if (timerOn) 
  {
    clearTimeout(timerID);
    timerID = null;
    timerOn = false;
  }
}

function hideAll()
{ 
  if (currentMenuLayer != false) 
  {
    document['saleImage'].src = Sale;
    document['leaseImage'].src = Lease;
    currentRollover = false;
    if(currentMenuLayer.style.visibility == 'visible')  
      currentMenuLayer.style.visibility = 'hidden';
  }  
}

function getObj(name)
{
  if(ie)
  {
    if(document.all[name] != null)
      return document.all[name];
    else
      return false;          
  }
  else if(n6)
  {  
    if(document.getElementById(name) != null)    
      return document.getElementById(name);
    else
      return false;
  }
  else if(nn)
  {  
    if(document.layers[name] != null)
      return document.layers[name];
    else
      return false; 
  }  
  else return false;
}