.button1, .button2, .button3, .button4 , .button5, .button6 {
  height: 41px;
  display: block;
  border: 0;
  padding:0;
  text-decoration: none;
  background-repeat: no-repeat;
  overflow: hidden;
  background-position: left;
}

.button1:hover, .button2:hover, .button3:hover, .button4:hover, .button5:hover, .button6:hover, .button_selected {
  background-position: right;
}

.button1 {background-image: url(../images/navi/6.jpg); width:127px;}
.button2 {background-image: url(../images/navi/7.jpg); width:115px;}
.button3 {background-image: url(../images/navi/8.jpg); width:111px;}
.button4 {background-image: url(../images/navi/9.jpg); width:85px;}
.button5 {background-image: url(../images/navi/10.jpg); width:82px;}
.button6 {background-image: url(../images/navi/11.jpg); width:131px;}


.oben1, .oben2, .oben3, .oben4, .oben5 {
  height: 49px;
  display: block;
  border: 0;
  padding:0;
  text-decoration: none;
  background-repeat: no-repeat;
  overflow: hidden;
  background-position: left;
}

.oben1:hover, .oben2:hover, .oben3:hover, .oben4:hover, .oben5:hover, .oben_selected {
  background-position: right;
}

.oben1 {background-image: url(../images/navi/1.jpg); width:72px;}
.oben2 {background-image: url(../images/navi/2.jpg); width:58px;}
.oben3 {background-image: url(../images/navi/3.jpg); width:82px;}
.oben4 {background-image: url(../images/navi/4.jpg); width:54px;}
.oben5 {background-image: url(../images/navi/5.jpg); width:76px;}