if (document.images) {
    var newsoff = new Image();
    newsoff.src="graphics/news.jpg";
    var newson = new Image();
    newson.src="graphics/newsb.jpg";
    var aboutoff = new Image();
    aboutoff.src="graphics/about.jpg";
    var abouton = new Image();
    abouton.src="graphics/aboutb.jpg";
    var gigsoff = new Image();
    gigsoff.src="graphics/gigs.jpg";
    var gigson = new Image();
    gigson.src="graphics/gigsb.jpg";
    var musicoff = new Image();
    musicoff.src="graphics/music.jpg";
    var musicon = new Image();
    musicon.src="graphics/musicb.jpg";
    var boardoff = new Image();
    boardoff.src="graphics/board.jpg";
    var boardon = new Image();
    boardon.src="graphics/boardb.jpg";
    var linksoff = new Image();
    linksoff.src="graphics/links.jpg";
    var linkson = new Image();
    linkson.src="graphics/linksb.jpg";
}

function imgoff(imgName){
    if (document.images){
	document[imgName].src=eval(imgName+"off.src");
    }
}
function imgon(imgName){
    if (document.images){
	document[imgName].src=eval(imgName+"on.src");
    }
}