#corp, #indu, #Aspern, #Schoepf, #Malfatti, #Tivoli, #Einsiedelei, #Puffer, #Eipeldauer, #Langobarden, #Rathausplatz {
  float: left;
  width: 50%;
}
#corp-img, #indu-img, #Aspern-img, #Schoepf-img, #Malfatti-img, #Tivoli-img, #Einsiedelei-img, #Puffer-img, #Eipeldauer-img, #Langobarden-img, #Rathausplatz-img {
  background: url(images/pic_2.jpg) no-repeat;
  width: 112px;
  height: 23px;
  float: left;
  margin-right: 18px;
  margin-bottom: 10px;
  text-align: center;
  padding-top: 90px;
  font-size: 9px;
  font-weight: bold;
}
#indu-img {
  background: url(images/pic_3.jpg) no-repeat;
}
#Aspern-img {
  background: url(images/Aspernstr_thumb.jpg) no-repeat;
}
#Schoepf-img {
  background: url(images/Schoepf_thumb.jpg) no-repeat;
}
etc.blabla

        <div id="Aspern" style="width: 33%">
          <div id="Aspern-img">
          	<span lang="de">
          	<a href="file://///Sbsserver/EigeneDateien/tech3/Meine%20Websites/Aspernstrasse.html">Aspernstraße</a></span></div>
        </div>
      </div>
      <div id="Schoepf" style="width: 33%">
          <div id="Schoepf-img">
          	<span lang="de">
			  <a href="file://///Sbsserver/EigeneDateien/tech3/Meine%20Websites/Schoepfwerk.html">Am Schoepfwerk</a></span></div>
            </div>
etc. blabla