//grosses Bild im Fenster oeffnen
doc = null;
function oeffne_Fensterbild(bildname,b_width,b_height,f_width,f_height,title){
doc=window.open("", "fenster", "width="+f_width+",height="+f_height+",left=20,top=20,menubar=0,status=0,scrollbars=0");
doc.document.open("text/html");
doc.document.write(''+title+'');
doc.document.write('
');
doc.document.write('');
doc.document.close();
doc.focus();
}