欣情巧克力

<input type="password" maxlength="64" autocapitalization="off" id="passwd" name="passwd" value=""">
<input type="checkbox" id="show_pass" name="show_pass" onclick="pass_checked();">

function pass_checked() {
var new_pppw_input = document.createElement("input");
var ori_pppw_input = $j("#passwd").get(0);
if ($j("#show_pass").attr("checked")) {
new_pppw_input.type="text";
}
else
{
new_pppw_input.type="password";
}
new_pppw_input.id=ori_pppw_input.id;
new_pppw_input.name=ori_pppw_input.name;
new_pppw_input.value=ori_pppw_input.value;
new_pppw_input.className = ori_pppw_input.className;
new_pppw_input.maxLength = ori_pppw_input.maxLength;
ori_pppw_input.parentNode.replaceChild(new_pppw_input, ori_pppw_input);
}