function fixPNG()
{

 var ug = new Array("bl", "br", "bl1", "c1", "c2");
 for( i = 0; i < ug.length; i++)
 {
  name = 'ug' + ug[i];
  if (/MSIE (5\.5|6).+Win/.test(navigator.userAgent))
  {
  	document.getElementById(name).style.backgroundImage="none";
  	document.getElementById(name).style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='/img/" + name + ".png', sizingMethod='scale')";
  }
  else
  {
  	document.getElementById(name).style.backgroundImage="url(../img/" + name + ".png)";
  }
 }
}