#bildnavigation a.engineering, #bildnavigation a.design, #bildnavigation a.realization, #bildnavigation a.finish {
	float:left;
	display:block;
	width:240px;
	height:149px;
	margon:0;
}

a.engineering {
	background:url(../images/nav1-en.png) no-repeat bottom;
}

a.design {
	background:url(../images/nav2-en.png) no-repeat bottom;
}

a.realization {
	background:url(../images/nav3-en.png) no-repeat bottom;
}

a.finish {
	background:url(../images/nav4-en.png) no-repeat bottom;
}

a:hover.engineering {
	background:url(../images/nav1-en.png) no-repeat top;
}

a:hover.design {
	background:url(../images/nav2-en.png) no-repeat top;
}

a:hover.realization {
	background:url(../images/nav3-en.png) no-repeat top;
}

a:hover.finish {
	background:url(../images/nav4-en.png) no-repeat top;
}

html>body a.engineering.bildaktiv {
	background:url(../images/nav1-en.png) no-repeat top;
}

html>body a.design.bildaktiv {
	background:url(../images/nav2-en.png) no-repeat top;
}

html>body a.realization.bildaktiv {
	background:url(../images/nav3-en.png) no-repeat top;
}

html>body a.finish.bildaktiv {
	background:url(../images/nav4-en.png) no-repeat top;
}