var dir = "/images/nav/"

if (document.images) {
    lffImgSrc = new Array (
      dir + "arrow.gif",
      dir + "arrow_over.gif"
	  )

    lffImgList = new Array ();
       for (counter in lffImgSrc) {
           lffImgList[counter] = new Image();
           lffImgList[counter].src = lffImgSrc[counter];
        }
}

    function arrowOver(imgName,over) {
        if (!document.images) {return};
        getImg = document.images[imgName];
        if (over) { getImg.src = dir + "arrow_over.gif" }
             else { getImg.src = dir + "arrow.gif" };
    }
    
    function rollOver(imgName,over) {
        if (!document.images) {return};
        getImg = document.images[imgName];
        if (over) { getImg.src = dir + imgName + "_over.gif" }
             else { getImg.src = dir + imgName + ".gif" };
    }