function showLayer(layerID){

    if (document.layers){
        document.layers[layerID].visibility="show";

    } else if (document.all){
        document.all[layerID].style.visibility="visible";

    } else {
        document.getElementById(layerID).style.visibility="visible";
    }
}

function hideLayer(layerID){
    if(document.layers){
        document.layers[layerID].visibility="hide";

    } else if (document.all){
        document.all[layerID].style.visibility="hidden";

    } else {
        document.getElementById(layerID).style.visibility="hidden";
    }
}

function shadeMe(obj){

    obj.style.color="#000000";

}

function unshadeMe(obj){

    obj.style.color="#000000";

}