function CheckLogin()//登录验证
{
	if ($("jeusername").value=='')
	{alert("对不起，你还没有输入用户名");
	$("jeusername").focus();
	$("jeusername").select();
	return false;
	}

	if ($("jepassword").value=='')
	{
	alert("对不起，你还没有输入用户密码");
	$("jepassword").focus();
	$("jepassword").select();
	return false;
	}
document.form1.action='http://www.jewelchina.com/include07/function/checkmember.asp?ReturnUrl='+window.location.href.replace("http://"+window.location.host+"/register/sign.htm?ReturnUrl=",'')
}