function resize()
{
    var winHeight = document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientHeight:document.body.clientHeight;
    var wrapHeight = document.getElementById('wrap').offsetHeight;
    var mustHeight = winHeight > wrapHeight ? winHeight : wrapHeight;
    document.getElementById('wrap').style.height = mustHeight + 'px';
}

function load_funcs()
{
  resize();
}