Use of document.load forbidden on Documents that come from other Windows. Only the Window in which a Document was created is allowed to call .load on that Document. Preferably, use XMLHttpRequest instead.
Hua ahij garasun document.load riña a'ngo ñanj na'ni' a'ngo hiuj u. Ma iuna ga'ue garasun' ñanj na, ga'ue gachij na'anj riña .load riña ñanj dan. Daj sa' garasuntr XMLHttpRequest si lugaj.