var imageUrlPrefx = "/content/swagstore/images/nv_";
var slctdNam = "";

function swDown(img,flNam) {
    if (flNam != slctdNam) {
        img.src = imageUrlPrefx + flNam + "-down.jpg"; 
    }
}
function swOut(img,flNam) {
    if (flNam != slctdNam) {
        img.src = imageUrlPrefx + flNam + "-active.jpg";
    }
}
function swOver(img,flNam) {
    if (flNam != slctdNam) {
        img.src = imageUrlPrefx + flNam + "-over.jpg"; 
    }
}
function swInactveOut(img,flNam) {
    if (flNam != slctdNam) {
        img.src = imageUrlPrefx + flNam + "-inactive.jpg"; 
    }
}
function swInactveOver(img,flNam) {
    if (flNam != slctdNam) {
        img.src = imageUrlPrefx + flNam + "-inactive-over.jpg";
    }
}

function setNavSelected(flNam) {
    slctdNam = flNam;
    document.getElementById("nv_lnk-" + flNam).src = imageUrlPrefx + flNam + "-selected.jpg"; 
}