function newHomeImage( imgSrc ){
 
 var imgName = new Image();
 imgName.src = imgSrc;
 
 return imgName;

}

function homeActive( imgName )
{
 if ( document.images && (preloadHomeFlag == true) )
 {
  if ( level == 1 )
  {
   document[imgName].src = "images/home-" + imgName + "-over.jpg" ;
  }
  else if (level == 2)
  {

   document[imgName].src = "../images/home-" + imgName + "-over.jpg" ;
  }
  else if (level == 3)
  {
   document[imgName].src = "../../images/home-" + imgName + "-over.jpg" ;
  }
 }
}

function homeInactive( imgName )
{
 if ( document.images && (preloadHomeFlag == true))
 {
  if ( level == 1 )
  {
   document[imgName].src = "images/home-" + imgName + ".jpg" ;
  }
  else if ( level == 2 )
  {
   document[imgName].src = "../images/home-" + imgName + ".jpg" ;
  }
 }
}

var preloadHomeFlag = false;
function homeLoadImages()
{
 if (document.images)
 {
 
  //****Edit this list to include vertical rollover images ****
  //****Example: aboutus-over = newImage( "images/menu_aboutus-over.jpg" );
  home_trees_over = newHomeImage("images/home-trees-over.jpg");
  home_water_over = newHomeImage("images/home-water-over.jpg");
  home_fire_over = newHomeImage("images/home-fire-over.jpg");
  home_air_over = newHomeImage("images/home-air-over.jpg");
  home_cost_over = newHomeImage("images/home-cost-over.jpg");
 
 
  preloadHomeFlag = true;
 }
}