.err_string {
	color:#F00;
}
.tb_h {
	background-color:#4c4c48;
	color:#FFF;
	font-size:11px;
}
.tb_1 {
	background-color:#dddddd;
}
.tb_2 {
	background-color:#efefef;
}
.more {
	font-size:10px;
	color:#999;
}