// Preload the images
if(document.images){
	blank = new Image;
	blank.src = './images/bk_spacer.gif';
	
	hlight = new Image;
	hlight.src = './images/nav_hlight.gif';
}


// change images
function change(name, btnhlight) {
	if (!document.images) {}
	else{
		document.images[name].src = eval(btnhlight + '.src');
  }
}