window.onerror=null;
    var F1 = null;
    function stadtinfo($link)
    {
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      F1 = open($link,"Fenster1","width=780,height=580,screenX=0,screenY=0,hotkeys=no,locationbar=no,menubar=no,resizable=no,status=yes");
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    var searchWindow=null;
    function lvzpopup(datei,name,breite,hoehe)
    {
      var searchWindow;
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        searchWindow=window.open(datei,name,"width="+breite+",height="+hoehe+",wtoolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=no");
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    }


    var F1 = null;
    function baustellen_fenster(link,xy)
    {
      if(F1){ F1.close(); F1=null; }
        if(link == ''){link = './leipzig/index_start.html'}
      F1 = open(link+"/cgi-bin/perl/extern/extern_link.pl?GK="+xy,"Fenster1","width=780,height=580,screenX=0,screenY=0,hotkeys=no,locationbar=no,menubar=no,resizable=no,status=yes");
    }


    function osc()
    {
      var searchWindow;
      if(searchWindow){ searchWindow.close();searchWindow=null; }
      searchWindow=window.open('https://osc.lvz.de/scripts/wgate/zeviva/!?~Theme=12&~OkCode=F00009START&GS_WS00009-BUKRS=0011&GS_WS00009-BEZEICHN=LVZ','osc','left=0px,top=0px,width=1000,height=768,statusbar=yes,menubar=0, resizable=no');
      if(searchWindow){ searchWindow.focus(); } 
    }