iframe 载入页面的问题

Question

var doc=window.frames["aaa"].document;
function complete()
{
if (doc.readyState=="complete"){
aaa.document.MainForm.v_index.value="11111";
}
}
doc.onreadystatechange=complete

Answer 1

aaa.document.onreadystatechange = f;
function f(){
 if(aaa.document.readyState=="complete"){
  //执行其它
 }
}

Answer 2

var doc=window.frames["aaa"].document;
doc.onreadystatechange = function(){
if (doc.readyState=="complete"){
aaa.document.MainForm.v_index.value="11111";
         }
}