function openScrollfenster(url,name,breite,hoehe){
/*     var sitemap = window.open(url, "Sitemap", "width=300,height=600,scrollbars=no,resizable=no,left=50,top=50");*/
     var sitemap = window.open(url,name,'width='+breite+',height='+hoehe+',scrollbars=yes,resizable=yes,left=50,top=50');
    if (sitemap.opener == null) {
         sitemap.opener = window;
     }
 }