function move_box(an, box) {

  var cleft = 0;

  var ctop = 8;

  var obj = an;

  while (obj.offsetParent) {

    cleft += obj.offsetLeft;

    ctop += obj.offsetTop;

    obj = obj.offsetParent;

  }

  box.style.left = cleft + 'px';

  ctop += an.offsetHeight + 8;

  if (document.body.currentStyle &&

    document.body.currentStyle['marginTop']) {

    ctop += parseInt(

      document.body.currentStyle['marginTop']);

  }

  box.style.top = ctop + 'px';

}



function show_hide_box(an, width, height, borderStyle) {

  var href = an.href;

  var boxdiv = document.getElementById(href);



  if (boxdiv != null) {

    if (boxdiv.style.display=='none') {

      move_box(an, boxdiv);

      boxdiv.style.display='block';

    } else

      boxdiv.style.display='none';

    return false;

  }



  boxdiv = document.createElement('div');

  boxdiv.setAttribute('id', href);

  boxdiv.style.display = 'block';

  boxdiv.style.position = 'absolute';

  boxdiv.style.width = width + 'px';

  boxdiv.style.height = height + 'px';

  boxdiv.style.border = borderStyle;

  boxdiv.style.backgroundColor = '#fff';



  var contents = document.createElement('iframe');

  contents.scrolling = 'no';

  contents.frameBorder = '0';

  contents.style.width = width + 'px';

  contents.style.height = height + 'px';

  contents.src = href;



  boxdiv.appendChild(contents);

  document.body.appendChild(boxdiv);

  move_box(an, boxdiv);



  return false;

}