.checked{background-color:#222;background-image:url(../images/chk_on.png)}
.unchecked{background-color:#1c1c1c;background-image:url(../images/chk_off.png)}
.selected{background-color:#222;background-image:url(../images/rdo_on.png)}
.unselected{background-color:#1c1c1c;background-image:url(../images/rdo_off.png)}