function welt (Adresse) {
  Fenster1 = window.open(Adresse, "welt", "width=955,height=510,left=40,top=100");
  Fenster1.focus();
}



function products(Adresse) {
  Fenster1 = window.open(Adresse, "products", "width=500,height=200,left=40,top=100");
  Fenster1.focus();
}