function setdivh(p1, p2) {
    var elm = document.getElementById(p2);
    var qq  = document.getElementById(p1);
    var x   = elm.offsetHeight;
    var y   = qq.offsetHeight;
    if (x > y) 
      qq.style.height = x + "px";
    else
      elm.style.height = (y-20) + "px";
    return false;
}