// Function to show Transparent PNGs in Internet Explorer on Windows32 systems
function transPNG() {

	var transGIF;
	transGIF = '/images/trans.gif'; // URL to a transparent GIF file - 1px by 1px is fine

	if (navigator.appName == 'Microsoft Internet Explorer' && navigator.platform == 'Win32') {
		for(i=0;i<document.images.length;i++) {
			if(document.images[i].src.substring(document.images[i].src.length-4)=='.png') {
				document.images[i].style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=' + document.images[i].src + ')';
				document.images[i].src = transGIF;
			}
		}
	}

}