/* notice that the image is referenced from the page location not the css location */
.s3 {_filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src=images/redbox.png, sizingMethod='scale');
 		background-repeat:no-repeat; width:200px; height:200px;}

/* IE6 will ignore this style item */
html>body .s3 {background:url(../images/redbox.png) no-repeat;
  		width:200px; height:200px;}
		
#sample2{ background:#0000FF; margin: 20px 0; width:400px;}

#sample3{ background:#0000FF; margin: 20px 0; width:400px;}

.s2{}

.s3{ width:200px; height:200px;}