input {	border: 1px solid black; }
input:focus { border: 1px dotted black; }
input.error { border: 1px dotted red; }
em.invalid {
	background: url('/china/js/validate/unchecked.gif') no-repeat;
	padding-left: 16px;
	color:#F00;
	font-style:normal;
}
em.valid {
	background: url('/china/js/validate/checked.gif') no-repeat;
	padding-left: 16px;
}