.left_box {
	float: left;
	width: 355px;
	display: block;
}
.right_box {
	float: left;
	width: 355px;
	margin-left: 10px;
	display: block;
}

.half_box {
	width: 355px;
	display: block;
	background:url(../image/355px.gif) repeat-y;
	border-bottom:1px solid #69C;
	margin-top:20px;
}
ul{
	margin-top:5px;
}
li{
	margin-left:20px;
	list-style-image:url(../image/cat_list.gif);
	line-height:1.3em;
}
.last_list{
	list-style-image:url(../image/cat_list_last.gif);
}