fieldset {
	overflow: hidden;
	position: relative;
	}
input[type=checkbox] { 
	position: absolute;
	left: -999em;
	}
input[type=checkbox] + label {
	display: block;
	height: 16px;
	padding-left: 25px;
	background: url(bullet.gif) top left no-repeat;
	}
input[type=checkbox]:checked + label {
	background-image: url(bullet_checked.gif);
	}