a.top{
	background-position:0px 0px;
	background-image: url(imge/logo/top.jpg);
	display:block;
	width:100px;
	float:left;
	height:21px;
	text-indent:-100px;
	overflow:hidden;
	margin-bottom: 10px;
    text-decoration:none;

}
a:hover.top{
    background-position:0px -21px;
}
a.cray{
	background-position:0px 0px;
	background-image: url(imge/logo/cr.jpg);
	display:block;
	width:100px;
	float:left;
	height:21px;
	text-indent:-100px;
	overflow:hidden;
	margin-bottom: 10px;
	text-decoration:none;
}
a:hover.cray{
    background-position:0px -21px;
}
a.digital{
	background-position:0px 0px;
	background-image: url(imge/logo/dg.jpg);
	display:block;
	width:100px;
	float:left;
	height:21px;
	text-indent:-100px;
	overflow:hidden;
	margin-bottom: 10px;
	text-decoration:none;
}
a:hover.digital{
    background-position:0px -21px;
}
a.water{
	background-position:0px 0px;
	background-image: url(imge/logo/wc.jpg);
	display:block;
	width:100px;
	float:left;
	height:21px;
	text-indent:-100px;
	overflow:hidden;
	margin-bottom: 10px;
	text-decoration:none;
}
a:hover.water{
    background-position:0px -21px;
}

a.nigao{
	background-position:0px 0px;
	background-image: url(imge/logo/ni.jpg);
	display:block;
	width:100px;
	float:left;
	height:21px;
	text-indent:-100px;
	overflow:hidden;
	margin-bottom: 10px;
	text-decoration:none;
}
a:hover.nigao{
    background-position:0px -21px;
}
a.works{
	background-position:0px 0px;
	background-image: url(imge/logo/wo.jpg);
	display:block;
	width:100px;
	float:left;
	height:21px;
	text-indent:-100px;
	overflow:hidden;
	margin-bottom: 10px;
	text-decoration:none;
}
a:hover.works{
    background-position:0px -23px;
}
a.pr{
	background-position:0px 0px;
	background-image: url(imge/logo/pr.jpg);
	display:block;
	width:100px;
	float:left;
	height:21px;
	text-indent:-100px;
	overflow:hidden;
	margin-bottom: 10px;
	text-decoration:none;
}
a:hover.pr{
    background-position:0px -21px;
}
a.link{
	background-position:0px 0px;
	background-image: url(imge/logo/li.jpg);
	display:block;
	width:100px;
	float:left;
	height:21px;
	text-indent:-100px;
	overflow:hidden;
	margin-bottom: 10px;
	text-decoration:none;
}
a:hover.link{
    background-position:0px -21px;
}

.sample1 a:hover {
	position: relative;
	top: 1px;
	left: 1px;
    border:none;
}