onhome=new Image;
onhome.src= "images/on-home.gif";
onabout=new Image;
onabout.src= "images/on-about.gif";
onatlantis=new Image;
onatlantis.src= "images/on-atlantis.gif";
onservices=new Image;
onservices.src= "images/on-services.gif";
onlinks=new Image;
onlinks.src= "images/on-links.gif";
oncontact=new Image;
oncontact.src= "images/on-contact.gif";
function over(x,y){if(document.images) document.images[x].src="images/"+y+"-"+x+".gif";}