if (document.images) {
        var home_lo = new Image();
        home_lo.src = "images/menu/home-off.gif";
        var home_hi = new Image();
        home_hi.src = "images/menu/home-on.gif";

        var novel_lo = new Image();
        novel_lo.src = "images/menu/aboutnovel-off.gif";
        var novel_hi = new Image();
        novel_hi.src = "images/menu/aboutnovel-on.gif";   

        var bio_lo = new Image();
        bio_lo.src = "images/menu/bio-off.gif";
        var bio_hi = new Image();
        bio_hi.src = "images/menu/bio-on.gif";

        var credits_lo = new Image();
        credits_lo.src = "images/menu/credits-off.gif";
        var credits_hi = new Image();
        credits_hi.src = "images/menu/credits-on.gif";  

        var competitions_lo = new Image();
        competitions_lo.src = "images/menu/competitions-off.gif";
        var competitions_hi = new Image();
        competitions_hi.src = "images/menu/competitions-on.gif";  
          
        var contact_lo = new Image();
        contact_lo.src = "images/menu/contact-off.gif";
        var contact_hi = new Image();
        contact_hi.src = "images/menu/contact-on.gif";                               
        
}

function hiLite(imgName) {
        if (document.images) 
        document[imgName].src = eval(imgName + '_hi.src');
        }

function norm(imgName) {
        if (document.images)
        document[imgName].src = eval(imgName + '_lo.src');
        }