/*Script per visualizzare correttamente la trsperenza png per img e input type image*/


function msie_replace_png_imgs() {

  if (!is_msie()) return;

  var i, elements;



  elements = document.getElementsByTagName("img");
  for (i = 0; i < elements.length; i++) {
    var img = elements[i];
    if (img.src.toLowerCase().search(/\.png$/) < 0) continue;

    img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + img.src  + "', sizingMethod='image')";
    img.src = "/images/spacer.gif";

  }

  elements = document.getElementsByTagName("input");
  for (i = 0; i < elements.length; i++) {
    var input = elements[i];
    if (input.getAttribute("type") != "image") continue;
    if (input.getAttribute("src").toLowerCase().search(/\.png$/) < 0)
      continue;

    input.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + input.src  + "', sizingMethod='image')";
    input.src = "/images/spacer.gif";
  }
  

}

function is_msie() {
  return navigator.userAgent.toLowerCase().indexOf("msie") != -1; 
}