jQuery.fn.extend({
 fixPNG: function() {
  return this.each(function() {
   if (!$.browser.msie) return;

   var s_imageUrl = '';
   if ($(this).css('backgroundImage').match(/^url\(["']?([^"']*\.png)["']?\)$/i)) s_imageUrl = RegExp.$1;

   if (s_imageUrl != '') {

    $(this).css({
     'backgroundImage': 'none',
     'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=" + ($(this).css('backgroundRepeat') == 'no-repeat' ? 'crop' : 'scale') + ", src='" + s_imageUrl + "')"
    }).each(function () {
     var s_position = $(this).css('position');
     if (s_position != 'absolute' && s_position != 'relative') $(this).css('position', 'relative');
    });
   }
  });
 }
});