mback10 = new Image();
  mback10.src = "./image/m_ueberuns_0.gif";

  mback11 = new Image();
  mback11.src="./image/m_ueberuns_1.gif";

  mback20 = new Image();
  mback20.src = "./image/m_bfinden_0.gif";

  mback21 = new Image();
  mback21.src="./image/m_bfinden_1.gif";

  mback30 = new Image();
  mback30.src = "./image/m_service_0.gif";

  mback31 = new Image();
  mback31.src="./image/m_service_1.gif";

  mback40 = new Image();
  mback40.src = "./image/m_presse_0.gif";

  mback41 = new Image();
  mback41.src="./image/m_presse_1.gif";

  mback50 = new Image();
  mback50.src = "./image/m_links_0.gif";

  mback51 = new Image();
  mback51.src="./image/m_links_1.gif";

  mback60 = new Image();
  mback60.src = "./image/m_mitglied_0.gif";

  mback61 = new Image();
  mback61.src="./image/m_mitglied_1.gif";

  mback70 = new Image();
  mback70.src = "./image/m_plz-pfeil_0.gif";

  mback71 = new Image();
  mback71.src="./image/m_plz-pfeil_1.gif";

  mback80 = new Image();
  mback80.src = "./image/m_kontakt_0.gif";

  mback81 = new Image();
  mback81.src="./image/m_kontakt_1.gif";
  
  mback90 = new Image();
  mback90.src = "./image/m_suche_0.gif";

  mback91 = new Image();
  mback91.src="./image/m_suche_1.gif";
  
  mbackA0 = new Image();
  mbackA0.src="./image/m_mitglied_0.gif";  

  mbackA1 = new Image();
  mbackA1.src="./image/m_mitglied_1.gif";  

  mbackB0 = new Image();
  mbackB0.src="./image/mitglied-werden21.gif";  

  mbackB1 = new Image();
  mbackB1.src="./image/mitglied-werden22.gif"; 
  
  mbackC0 = new Image();
  mbackC0.src="./image/m_baupraxis_0.gif";  

  mbackC1 = new Image();
  mbackC1.src="./image/m_baupraxis_1.gif"; 
    

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  if(document.getElementById){
   for (i=0; i<(args.length-2); i+=3){
   obj=document.getElementById(args[i]);v=args[i+2];
v=(v=='show')?'visible':(v='hide')?'hidden':v;
   if(obj)obj.style.visibility=v;
   }
  }
  else{
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
 }
}