document.getElementById("showlogin").innerHTML="<form name=\"frm\" action=\"http:\/\/user.new160.com\/login.asp?logins=login\" method=\"post\" onsubmit=\"return loginconfirm();\">会员：<input name=\"UserName\" type=\"text\"  class=\"inp1\">  密码：<input name=\"pwd\" type=\"password\"  class=\"inp1\">  <input type=\"submit\" name=\"tj\" value=\"登录\" class=\"btn\"> <input type=button name=login value=\"注册\" onclick=\"javascript:window.open(\'http:\/\/user.new160.com\/login.asp?action=reg\');\" class=\"btn\"><input type=\"hidden\" value=\"\" name=\"u\" id=\"u\" \/><\/form>";
	function loginconfirm(){
	if (document.frm.UserName.value.length == 0) {
		alert("用户名不能为空！");
		document.frm.UserName.focus();
		return false;
	}
	else if (document.frm.pwd.value.length == 0) {
		alert("密码不能为空！");
		document.frm.pwd.focus();
		return false;
	}
	else{
	document.getElementById("u").value=escape(window.location.href);
    document.getElementById("frm").submit();
	}
	return true;
}