// Pre load images for rollover
if (document.images) {
	var homed = new Image ;
	var homel = new Image ;
	var advd = new Image ;
	var advl = new Image ;
	var helpd = new Image ;
	var helpl = new Image ;
	var aboutusd = new Image ;
	var aboutusl = new Image ;
	
	
	homed.src = "images/menu/home_dark.bmp";
	homel.src = "images/menu/home_light.bmp";
	advd.src = "images/menu/wordindex_dark.bmp";
	advl.src = "images/menu/wordindex_light.bmp";
	helpd.src = "images/menu/help_dark.bmp";
	helpl.src = "images/menu/help_light.bmp";
	aboutusd.src = "images/menu/aboutus_dark.bmp";
	aboutusl.src = "images/menu/aboutus_light.bmp";
	
	
}

function swapImage(thisImage,newImage) {
	if (document.images) {
		document[thisImage].src = eval(newImage + ".src");	
	}
}