* {
	margin: 0px; padding: 0px; list-style-type: none;
}
a {
	border: 0px currentColor;
}
img {
	border: 0px currentColor;
}
.advbox {
	margin: 0px auto; width: 990px;
}
.advbox .dt_small {
	width: 990px;
}
.advbox .dt_big {
	width: 990px;
}
.advbox .dt_toBig_c {
	background: url("/etn/images/ad_images/open.png"); margin: 5px 0px 0px 420px; left: 50%; width: 49px; height: 21px; position: absolute; cursor: pointer;
}
.advbox .dt_toSmall_c {
	background: url("/etn/images/ad_images/close.png"); margin: 5px 0px 0px 420px; left: 50%; width: 49px; height: 21px; position: absolute; cursor: pointer;
}
.advbox .dt_toBig_e {
	background: url("/etn/images/ad_images/open_e.png"); margin: 5px 0px 0px 420px; left: 50%; width: 49px; height: 21px; position: absolute; cursor: pointer;
}
.advbox .dt_toSmall_e {
	background: url("/etn/images/ad_images/close_e.png"); margin: 5px 0px 0px 420px; left: 50%; width: 49px; height: 21px; position: absolute; cursor: pointer;
}