function change(obj,img) {
    obj.src = img;
}

var mpos = 0;
var dpos = 0;
var absmd = 0;
function menumove() {
    mpos  = flowmenu.style.pixelTop;
    dpos  = document.body.scrollTop + 30;
    absmd = Math.abs(mpos - dpos);
    if      (absmd <= 10) { absmd = 1; }
    else if (absmd <= 30) { absmd = 2; }
    else if (absmd <= 100)  { absmd = 10; }
    else if (absmd <= 200)  { absmd = 20; }
    else                    { absmd -= 200; }
    if (mpos > dpos) {
        flowmenu.style.pixelTop = mpos - absmd;
    }
    else if (mpos < dpos) {
        flowmenu.style.pixelTop = mpos + absmd;
    }
    setTimeout("menumove()",0);
}

function dskl(obj,txt) {
    obj.innerHTML = txt;
}