if (document.images) {

image1on = new Image();
image1on.src = "nav_home_on.jpg";

image1off = new Image();
image1off.src = "nav_home_off.jpg";

image2on = new Image();
image2on.src = "nav_amenities_on.jpg";

image2off = new Image();
image2off.src = "nav_amenities_off.jpg";

image3on = new Image();
image3on.src = "nav_layout_on.jpg";

image3off = new Image();
image3off.src = "nav_layout_off.jpg";

image4on = new Image();
image4on.src = "nav_prices_on.jpg";

image4off = new Image();
image4off.src = "nav_prices_off.jpg";

image5on = new Image();
image5on.src = "nav_covenants_on.jpg";

image5off = new Image();
image5off.src = "nav_covenants_off.jpg";

image6on = new Image();
image6on.src = "nav_plat_on.jpg";

image6off = new Image();
image6off.src = "nav_plat_off.jpg";

image7on = new Image();
image7on.src = "nav_photos_on.jpg";

image7off = new Image();
image7off.src = "nav_photos_off.jpg";

image8on = new Image();
image8on.src = "nav_map_on.jpg";

image8off = new Image();
image8off.src = "nav_map_off.jpg";

image9on = new Image();
image9on.src = "nav_links_on.jpg";

image9off = new Image();
image9off.src = "nav_links_off.jpg";


}

function changeImages() { 
if (document.images) {	for (var i=0; i<changeImages.arguments.length; i+=2) {	
document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src"); 
} 
} 
}