<input type=checkbox name=a1>
<input type=button value="ddddd" onclick="document.all.a1.focus();document.all.a1.checked=false"><input type=text name=b1>
<input type=button value="ddddd" onclick="document.all.b1.focus()">
<input type=button value="ddddd" onclick="document.all.a1.focus();document.all.a1.checked=false"><input type=text name=b1>
<input type=button value="ddddd" onclick="document.all.b1.focus()">
不支援這個方法啊,咋辦???