// Resize iframes
function myresize(w, h) {
  var exp = hs.getExpander();
  var args = {
    width: w,
    height: h,
    dX: 0,
    dY: -570,
  };

  exp.resize(args);
  // move it to center:

  var size = hs.getPageSize();
  exp.x.min = Math.round((size.width - exp.x.span) / 2);
  exp.y.min = Math.round((size.height + exp.y.span) / 2);
  hs.setStyles(exp.wrapper, { left: exp.x.min +'px', top: exp.y.min +'px' });
 exp.resize(args);

};