function grossbild(bild, titel, breite, hoehe)
{
Fenster = window.open("./script/grossbild.html",titel,"width="+breite+",height="+hoehe+",left=0,top=0, scrollbars=yes menubar=yes");
Fenster.document.open();
Fenster.document.write(" "+titel+" ");
Fenster.document.write("![]("+bild+")
");
Fenster.document.write(" ");
Fenster.document.close();
Fenster.focus();
}