/* CSS : Definition der Buttons in der Hauptnavigation */
a.btu_navigation_conwerk{
	background: url(../_medien/_pics/_siteelements/navigation_btu_conwerk.jpg) no-repeat;
	background-position: 0px 0px;
    display:block; width:140px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_conwerk:hover{
	background: url(../_medien/_pics/_siteelements/navigation_btu_conwerk.jpg) no-repeat;
	background-position: 0px -43px;
    display:block; width:140px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_conwerk_active{
	background: url(../_medien/_pics/_siteelements/navigation_btu_conwerk.jpg) no-repeat;
	background-position: 0px -86px;
    display:block; width:140px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_conwerk img {
	display: block; width: 140px; height: 43px; border: 0;
	visibility: hidden;
}
a.btu_navigation_conwerk_active img {
	display: block; width: 140px; height: 43px; border: 0;
	visibility: hidden;
}

a.btu_navigation_conreg{
	background: url(../_medien/_pics/_siteelements/navigation_btu_conreg.jpg) no-repeat;
	background-position: 0px 0px;
    display:block; width:130px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_conreg:hover{
	background: url(../_medien/_pics/_siteelements/navigation_btu_conreg.jpg) no-repeat;
	background-position: 0px -43px;
    display:block; width:130px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_conreg_active{
	background: url(../_medien/_pics/_siteelements/navigation_btu_conreg.jpg) no-repeat;
	background-position: 0px -86px;
    display:block; width:130px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_conreg img {
	display: block; width: 130px; height: 43px; border: 0;
	visibility: hidden;
}
a.btu_navigation_conreg_active img {
	display: block; width: 130px; height: 43px; border: 0;
	visibility: hidden;
}

a.btu_navigation_contxt{
	background: url(../_medien/_pics/_siteelements/navigation_btu_contxt.jpg) no-repeat;
	background-position: 0px 0px;
    display:block; width:130px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_contxt:hover{
	background: url(../_medien/_pics/_siteelements/navigation_btu_contxt.jpg) no-repeat;
	background-position: 0px -43px;
    display:block; width:130px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_contxt_active{
	background: url(../_medien/_pics/_siteelements/navigation_btu_contxt.jpg) no-repeat;
	background-position: 0px -86px;
    display:block; width:130px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_contxt img {
	display: block; width: 130px; height: 43px; border: 0;
	visibility: hidden;
}
a.btu_navigation_contxt_active img {
	display: block; width: 130px; height: 43px; border: 0;
	visibility: hidden;
}

a.btu_navigation_conweb{
	background: url(../_medien/_pics/_siteelements/navigation_btu_conweb.jpg) no-repeat;
	background-position: 0px 0px;
    display:block; width:131px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_conweb:hover{
	background: url(../_medien/_pics/_siteelements/navigation_btu_conweb.jpg) no-repeat;
	background-position: 0px -43px;
    display:block; width:131px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_conweb_active{
	background: url(../_medien/_pics/_siteelements/navigation_btu_conweb.jpg) no-repeat;
	background-position: 0px -86px;
    display:block; width:131px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_conweb img {
	display: block; width: 131px; height: 43px; border: 0;
	visibility: hidden;
}
a.btu_navigation_conweb_active img {
	display: block; width: 131px; height: 43px; border: 0;
	visibility: hidden;
}

a.btu_navigation_labten{
	background: url(../_medien/_pics/_siteelements/navigation_btu_labten.jpg) no-repeat;
	background-position: 0px 0px;
    display:block; width:130px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_labten:hover{
	background: url(../_medien/_pics/_siteelements/navigation_btu_labten.jpg) no-repeat;
	background-position: 0px -43px;
    display:block; width:130px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_labten_active{
	background: url(../_medien/_pics/_siteelements/navigation_btu_labten.jpg) no-repeat;
	background-position: 0px -86px;
    display:block; width:130px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_labten img {
	display: block; width: 130px; height: 43px; border: 0;
	visibility: hidden;
}
a.btu_navigation_labten_active img {
	display: block; width: 130px; height: 43px; border: 0;
	visibility: hidden;
}

a.btu_navigation_referenz{
	background: url(../_medien/_pics/_siteelements/navigation_btu_referenz.jpg) no-repeat;
	background-position: 0px 0px;
    display:block; width:130px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_referenz:hover{
	background: url(../_medien/_pics/_siteelements/navigation_btu_referenz.jpg) no-repeat;
	background-position: 0px -43px;
    display:block; width:130px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_referenz_active{
	background: url(../_medien/_pics/_siteelements/navigation_btu_referenz.jpg) no-repeat;
	background-position: 0px -86px;
    display:block; width:130px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_referenz img {
	display: block; width: 130px; height: 43px; border: 0;
	visibility: hidden;
}
a.btu_navigation_referenz_active img {
	display: block; width: 130px; height: 43px; border: 0;
	visibility: hidden;
}

a.btu_navigation_kontakt{
	background: url(../_medien/_pics/_siteelements/navigation_btu_kontakt.jpg) no-repeat;
	background-position: 0px 0px;
    display:block; width:145px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_kontakt:hover{
	background: url(../_medien/_pics/_siteelements/navigation_btu_kontakt.jpg) no-repeat;
	background-position: 0px -43px;
    display:block; width:145px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_kontakt_active{
	background: url(../_medien/_pics/_siteelements/navigation_btu_kontakt.jpg) no-repeat;
	background-position: 0px -86px;
    display:block; width:145px; height: 43px; /* Linkbereich begrenzen */
}
a.btu_navigation_kontakt img {
	display: block; width: 145px; height: 43px; border: 0;
	visibility: hidden;
}
a.btu_navigation_kontakt_active img {
	display: block; width: 140px; height: 43px; border: 0;
	visibility: hidden;
}