div.TopNav div.homeTopBtn {
        background: url(assets/uraeg_home.jpg) no-repeat;
        width: 154px;
        height: 25px;
      }
      
      div.TopNav div.homeTopBtn:hover, div.TopNav div.homeTopBtn_over {
        width: 154px;
        height: 25px;
        background: url(assets/uraeg_home_btn.jpg) no-repeat;
      }
      
      div.TopNav div.homeTopBtn:hover a, div.TopNav div.homeTopBtn_over a,
      div.TopNav div.homeTopBtn_over a:visited, div.TopNav div.homeTopBtn_over a:hover {
        background: transparent url(assets/white_arrow_down.gif) no-repeat;
        background-position: 9px 5px;
      }
      
      div.TopNav div.uraegTopBtn {
        background: url(assets/uraeg2008_btn.jpg) no-repeat;
        width: 155px;
        height: 25px;
      }
      
      div.homeTopNav div.uraegTopBtn {
        background: url(assets/uraeg2008.jpg) no-repeat;
        width: 155px;
        height: 25px;
      }
      
      div.TopNav div.uraegTopBtn:hover, div.TopNav div.uraegTopBtn_over {
        width: 155px;
        height: 25px;
        background: url(assets/uraeg2008.jpg) no-repeat;
      }
      
      div.homeTopNav div.uraegTopBtn:hover, div.homeTopNav div.uraegTopBtn_over {
        width: 155px;
        height: 25px;
        background: url(assets/uraeg2008_btn.jpg) no-repeat;
      }
      

      div.TopNav div.uraegTopBtn:hover a, div.TopNav div.uraegTopBtn_over a,
      div.TopNav div.uraegTopBtn_over a:hover, div.TopNav div.uraegTopBtn_over a:visited {
        background: transparent url(assets/white_arrow_down.gif) no-repeat;
        background-position: 9px 5px;
      }
      
      div.homeTopNav div.uraegTopBtn:hover a, div.homeTopNav div.uraegTopBtn_over a,
      div.homeTopNav div.uraegTopBtn_over a:hover, div.homeTopNav div.uraegTopBtn_over a:visited {
        background: transparent url(assets/white_arrow_down.gif) no-repeat;
        background-position: 9px 5px;
      }
      
      div.TopNav div.uraegSelected {
        background: url(assets/uraeg2008_selected.jpg) no-repeat;
        width: 155px;
        height: 25px;
      }
      
      div.TopNav div.servicesTopBtn {
        background: url(assets/dienstleistungen_btn.jpg) no-repeat;
        width: 155px;
        height: 25px;
      }
      
      div.homeTopNav div.servicesTopBtn {
        background: url(assets/dienstleistungen.jpg) no-repeat;
        width: 155px;
        height: 25px;
      }
      
      div.TopNav div.servicesTopBtn:hover, div.TopNav div.servicesTopBtn_over {
        width: 155px;
        height: 25px;
        background: url(assets/dienstleistungen.jpg) no-repeat;
      }
      
      div.homeTopNav div.servicesTopBtn:hover, div.homeTopNav div.servicesTopBtn_over {
        width: 155px;
        height: 25px;
        background: url(assets/dienstleistungen_btn.jpg) no-repeat;
      }
      
      div.TopNav div.servicesSelected {
        background: url(assets/dienstleistungen_selected.jpg) no-repeat;
        width: 155px;
        height: 25px;
      }
      
      div.TopNav div.servicesTopBtn:hover a, div.TopNav div.servicesTopBtn_over a,
      div.TopNav div.servicesTopBtn_over a:hover,  div.TopNav div.servicesTopBtn_over a:visited {
        background: transparent url(assets/white_arrow_down.gif) no-repeat;
        background-position: 9px 5px;
      }
      
      div.homeTopNav div.servicesTopBtn:hover a, div.homeTopNav div.servicesTopBtn_over a,
      div.homeTopNav div.servicesTopBtn_over a:hover,  div.homeTopNav div.servicesTopBtn_over a:visited {
        background: transparent url(assets/white_arrow_down.gif) no-repeat;
        background-position: 9px 5px;
      }
      
      div.TopNav div.eventsTopBtn {
        background: url(assets/veranstaltungen_btn.jpg) no-repeat;
        width: 155px;
        height: 25px;
      }
      
      div.homeTopNav div.eventsTopBtn {
        background: url(assets/veranstaltungen.jpg) no-repeat;
        width: 155px;
        height: 25px;
      }
      
      div.TopNav div.eventsTopBtn:hover, div.TopNav div.eventsTopBtn_over {
        width: 155px;
        height: 25px;
        background: url(assets/veranstaltungen.jpg) no-repeat;
      }
      
      div.homeTopNav div.eventsTopBtn:hover, div.homeTopNav div.eventsTopBtn_over {
        width: 155px;
        height: 25px;
        background: url(assets/veranstaltungen_btn.jpg) no-repeat;
      }
      
      div.TopNav div.eventsSelected {
        background: url(assets/veranstaltungen_selected.jpg) no-repeat;
        width: 155px;
        height: 25px;
      }
      
      div.TopNav div.eventsTopBtn:hover a, div.TopNav div.eventsTopBtn_over a,
      div.TopNav div.eventsTopBtn_over a:hover, div.TopNav div.eventsTopBtn_over a:visited {
        background: transparent url(assets/white_arrow_down.gif) no-repeat;
        background-position: 9px 5px;
      }
      
      div.homeTopNav div.eventsTopBtn:hover a, div.homeTopNav div.eventsTopBtn_over a,
      div.homeTopNav div.eventsTopBtn_over a:hover, div.homeTopNav div.eventsTopBtn_over a:visited {
        background: transparent url(assets/white_arrow_down.gif) no-repeat;
        background-position: 9px 5px;
      }
      
      div.TopNav div.literatureTopBtn {
        background: url(assets/literatur_btn.jpg) no-repeat;
        width: 151px;
        height: 25px;
      }
      
      div.homeTopNav div.literatureTopBtn {
        background: url(assets/literatur.jpg) no-repeat;
        width: 151px;
        height: 25px;
      }
      
      div.TopNav div.literatureTopBtn:hover, div.TopNav div.literatureTopBtn_over {
        width: 151px;
        height: 25px;
        background: url(assets/literatur.jpg) no-repeat;
      }
      
      div.homeTopNav div.literatureTopBtn:hover, div.homeTopNav div.literatureTopBtn_over {
        width: 151px;
        height: 25px;
        background: url(assets/literatur_btn.jpg) no-repeat;
      }
      
      div.TopNav div.literatureSelected {
        background: url(assets/literatur_selected.jpg) no-repeat;
        width: 151px;
        height: 25px;
      }
      
      div.TopNav div.literatureTopBtn:hover a, div.TopNav div.literatureTopBtn_over a,
      div.TopNav div.literatureTopBtn_over a:hover, div.TopNav div.literatureTopBtn_over a:visited {
        background: transparent url(assets/white_arrow_down.gif) no-repeat;
        background-position: 9px 5px;
      }
      
      div.homeTopNav div.literatureTopBtn:hover a, div.homeTopNav div.literatureTopBtn_over a,
      div.homeTopNav div.literatureTopBtn_over a:hover, div.homeTopNav div.literatureTopBtn_over a:visited {
        background: transparent url(assets/white_arrow_down.gif) no-repeat;
        background-position: 9px 5px;
      }