function enablePngImages()	{
	var imgArr = document.getElementsByTagName("IMG");
	for(i=0; i<imgArr.length; i++){
		if(imgArr[i].src.toLowerCase().lastIndexOf(".png") != -1){
			imgArr[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + imgArr[i].src + "', sizingMethod='auto')";
			imgArr[i].src = "images/spacer.gif";
		}
		
		if(imgArr[i].currentStyle.backgroundImage.lastIndexOf(".png") != -1){
			var img = imgArr[i].currentStyle.backgroundImage.substring(5,imgArr[i].currentStyle.backgroundImage.length-2);
			imgArr[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+img+"', sizingMethod='crop')";
			imgArr[i].style.backgroundImage = "url(images/spacer.gif)";
		}
	}
}

function enableBgPngImages(bgElements){
	for(i=0; i<bgElements.length; i++){
		if(bgElements[i].currentStyle.backgroundImage.lastIndexOf(".png") != -1){
			//alert(bgElements[i]);
			var img = bgElements[i].currentStyle.backgroundImage.substring(5,bgElements[i].currentStyle.backgroundImage.length-2);
			bgElements[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+img+"', sizingMethod='crop')";
			bgElements[i].style.backgroundImage = "url(images/spacer.gif)";
		}
	}
}