blankPNG = new Image();
blankPNG.src = 'img/t_pixel.gif';

function loadPNG(obj) {
	if (navigator.appName == 'Microsoft Internet Explorer') {
		obj.onload = '';
		obj.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + obj.getAttribute('src') + '", sizingMethod="noscale")';
		obj.src = blankPNG.src;
	}
}