//check if image object is supported, then preload images
if (document.images) {

homeon = new Image();
homeon.src = "images/MenuHomeLit.gif";
homeoff = new Image();
homeoff.src = "images/MenuHome.gif";

programson = new Image();
programson.src = "images/MenuProgramsLit.gif";
programsoff = new Image();
programsoff.src = "images/MenuPrograms.gif";

musicon = new Image();
musicon.src = "images/MenuMusicLit.gif";
musicoff = new Image();
musicoff.src = "images/MenuMusic.gif";

bioon = new Image();
bioon.src = "images/MenuBioLit.gif";
biooff = new Image();
biooff.src = "images/MenuBio.gif";

photoson = new Image();
photoson.src = "images/MenuPhotosLit.gif";
photosoff = new Image();
photosoff.src = "images/MenuPhotos.gif";

reviewson = new Image();
reviewson.src = "images/MenuReviewsLit.gif";
reviewsoff = new Image();
reviewsoff.src = "images/MenuReviews.gif";

bookingon = new Image();
bookingon.src = "images/MenuBookingLit.gif";
bookingoff = new Image();
bookingoff.src = "images/MenuBooking.gif";

linkson = new Image();
linkson.src = "images/MenuLinksLit.gif";
linksoff = new Image();
linksoff.src = "images/MenuLinks.gif";

}

// function to change images to rollover state
function rollon(imgName1) {
	if (document.images) {
		document[imgName1].src = eval(imgName1+"on.src");
	}
}

// function to change images to non-rollover state
function rolloff(imgName1) {
	if (document.images) {
		document[imgName1].src = eval(imgName1+"off.src");
	}
}