function impressum2()
    {
    var breite = 750;
    var hoehe = 470;
    var posX=(screen.availWidth-breite)/2;
    var posY=(screen.availHeight-hoehe)/2;

    window.open('impressum.html',"impressum","toolbar=no,width=750,height=470,directories=no,status=no,scrollbars=no,resize=no,resizable=no,menubar=no,screenX=" + posX + ",screenY=" + posY + ",left=" + posX + ",top=" + posY + "");
    
    } 

function hgf()
    {
    var breite = 740;
    var hoehe = 470;
    var posX=(screen.availWidth-breite)/2;
    var posY=(screen.availHeight-hoehe)/2;

    window.open('seiten/hgf.html',"hgf","toolbar=no,width=740,height=470,directories=no,status=no,scrollbars=no,resize=no,resizable=no,menubar=no,screenX=" + posX + ",screenY=" + posY + ",left=" + posX + ",top=" + posY + "");
    
    } 
 	
function impressum()
    {
    var breite = 320;
    var hoehe =380;
    var posX=(screen.availWidth-breite)/320;
    var posY=(screen.availHeight-hoehe)/380;

    window.open('seiten/impressum.html',"impressum","toolbar=no,width=320,height=380,directories=no,status=no,scrollbars=no,resize=no,resizable=no,menubar=no,screenX=" + posX + ",screenY=" + posY + ",left=" + posX + ",top=" + posY + "");

    } 

function news()
    {
    var breite = 730;
    var hoehe = 310;
    var posX=(screen.availWidth-breite)/2;
    var posY=(screen.availHeight-hoehe)/2;

    window.open('news.html',"news","toolbar=no,width=730,height=310,directories=no,status=no,scrollbars=no,resize=no,resizable=no,menubar=no,screenX=" + posX + ",screenY=" + posY + ",left=" + posX + ",top=" + posY + "");

 }