function roundCorners()
{
  var divs = document.getElementsByTagName("div");
  var rounded_divs = [];

  var className = "";
  for (var i = 0; i < divs.length; i++)
  {
    if (/\barredondada_form\b/.exec(divs[i].className))
    {
      className = "rounded_new_form";
      rounded_divs[rounded_divs.length] = divs[i]
    }
    if (/\barredondada\b/.exec(divs[i].className))
    {
      className = "rounded_new";
      rounded_divs[rounded_divs.length] = divs[i];
    }
  }

  for (var i = 0; i < rounded_divs.length; i++)
  {
    var original = rounded_divs[i];

    original.className = "";
    
    var tr = document.createElement("div");
    tr.className = className

    original.parentNode.replaceChild(tr, original);

    var tl = document.createElement("div");
    var br = document.createElement("div");

    tr.appendChild(tl);
    tl.appendChild(br);
    br.appendChild(original);
  }
}
window.onload = roundCorners;