<!--begin
                  
stone_bg = new Image(); 
stone_bg.src = './images/stonebg.jpg';
stone_home = new Image(); 
stone_home.src = './images/stonehome.jpg';


function stone_on(_name)
                   {
                   document [_name].src = stone_home.src;
                   }
function stone_off(_name)
                   {
                   document [_name].src = stone_bg.src;
                   }
//-->