if (document.images) {
aboutoff=new Image();
aboutoff.src= "../images/menus/aboutoff.gif";
abouton=new Image();
abouton.src= "../images/menus/abouton.gif";
buyingoff=new Image();
buyingoff.src= "../images/menus/buyingoff.gif";
buyingon=new Image();
buyingon.src= "../images/menus/buyingon.gif";
featuredoff=new Image();
featuredoff.src= "../images/menus/featuredoff.gif";
featuredon=new Image();
featuredon.src= "../images/menus/featuredon.gif";
homeoff=new Image();
homeoff.src= "../images/menus/homeoff.gif";
homeon=new Image();
homeon.src= "../images/menus/homeon.gif";
mortgagesoff=new Image();
mortgagesoff.src= "../images/menus/mortgagesoff.gif";
mortgageson=new Image();
mortgageson.src= "../images/menus/mortgageson.gif";
priceoff=new Image();
priceoff.src= "../images/menus/priceoff.gif";
priceon=new Image();
priceon.src= "../images/menus/priceon.gif";
schooloff=new Image();
schooloff.src= "../images/menus/schooloff.gif";
schoolon=new Image();
schoolon.src= "../images/menus/schoolon.gif";
contactoff=new Image();
contactoff.src= "../images/menus/contactoff.gif";
contacton=new Image();
contacton.src= "../images/menus/contacton.gif";
}

function imageOn (imagename){
  document[imagename].src=eval(imagename+"on.src");
 }
function imageOff (imagename){
  document[imagename].src=eval(imagename+"off.src");
 }