tr.rsform-block td input[type='radio'] {
    display: none; }

tr.rsform-block td input[type='radio'] + label {
    min-height: 16px; /* the height of the image */
	padding: 5px 0 5px 25px;
	line-height: 25px;
    padding-left:25px; /* the width of the image plus the gutter */
    background: url("../images/radio.png") left center no-repeat transparent; }

tr.rsform-block td input[type='radio']:checked + label {
    background: url("../images/radioc.png") left center no-repeat transparent;
}