function writePNG(src, width, height, altText) {
	
	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])

	if (navigator.appName == "Microsoft Internet Explorer" && (version >= 5.5) && (version < 7)) {
		document.write('<span style="width:' + width + 'px;height:' + height +
		               'px;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\''
					   + src + '\',sizingMethod=\'scale\');"></span>');
	} else {
		document.write('<img src="' + src + '" width="' + width + '" height="' + height + '" alt="' + altText + '"/>');
	}
}