if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) {
	window.attachEvent("onload", alphaBackgrounds);
}
function alphaBackgrounds() {
  alphaBackground(document.getElementById('backsheet'));
  alphaBackground(document.getElementById('middlesheet'));
  alphaBackground(document.getElementById('mainsheet'));
  if(document.getElementById('agendaback'))
 alphaBackground(document.getElementById('agendaback'));
 alphaBackground(document.getElementById('newsback'));
 alphaBackground(document.getElementById('newscontainer'));
}

function alphaBackground(element) {
var bg       = element.currentStyle.backgroundImage;
var mypng = bg.substring(5,bg.length-2);
element.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+mypng+"', sizingMethod='scale')";
element.style.backgroundImage = "url('/images/spacer.gif')";  
}