function popup(){
         var URL = "sites/impressum.html";
         var Name = "popup";
         var Fensteroptionen = "toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0";
         var Breite = 300;
         var Hoehe = 480;

         window.open(URL, 'Name', Fensteroptionen + ',width=' + Breite + ',height=' + Hoehe);

         }
         
function popup2(){
         var URL = "impressum.html";
         var Name = "popup";
         var Fensteroptionen = "toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0";
         var Breite = 300;
         var Hoehe = 400;

         window.open(URL, 'Name', Fensteroptionen + ',width=' + Breite + ',height=' + Hoehe);

         }

function popup3(){
         var URL = "kontakt_map.html";
         var Name = "popup";
         var Fensteroptionen = "toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0";
         var Breite = 390;
         var Hoehe = 560;

         window.open(URL, 'Name', Fensteroptionen + ',width=' + Breite + ',height=' + Hoehe);

         }
function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}