作者PMMA

function aaa(f){
var script = document.createElement("script");
script.appendChild(document.createTextNode("(" + f.toString() + ")();"));
document.documentElement.appendChild(script);
}
var bbb = function()
{
if (location=="http://tw.yahoo.com/")
{
location.href = 'http://www.google.com.tw/';
}
};
aaa(bbb);