function pruef(a)
{
if(a==0)
{
if(!opener)window.location="index.html";
}
if(a==1)
{
if(top.frames.length==0)window.location="index.html";
}
}

function imp()
{
ww=680;hh=350;
if(screen.width>=1024){ww=750;hh=420;}

Imp=window.open('impressum.htm','daten','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width='+ww+',height='+hh);
Imp.moveTo(50,50);
}

function oeffne(a)
{
a=a+".htm";
ww=680;hh=350;
if(screen.width>=1024){ww=750;hh=420;}

Auf=window.open(a,'fenster','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=yes,width='+ww+',height='+hh);
Auf.moveTo(50,10);
}