function plan(whg, img)
{
var w = window.open("","Grundriss","width=550,height=500,resizable=yes");
var d = w.document;
d.write('');
d.write('Grundriss ' + whg);
d.write('');
d.write(' Grundriss ' + whg +'
');
d.write('Fenster Schließen');
d.write(' +'_g.gif)
');
d.write('');
w.focus();
d.close();
}