function getCookie(sName) {
    var aCookie = document.cookie.split("; ");
    for (var i=0; i < aCookie.length; i++) {
        var aCrumb = aCookie[i].split("=");
        if (sName == aCrumb[0]) {
        	if (typeof aCrumb[1] != "undefined") {
        		return unescape(aCrumb[1]);
        	}
        }
    }
    return null;
}
function loginSubmit(login) {
	var user_email = login.elements['user_email'];
	var user_pwd = login.elements['user_pwd'];
	$.post(login.action, {login:"login", action:"ajax", user_email:user_email.value, user_pwd:user_pwd.value}, function(data) {
		if(data.indexOf("ajaxLogin")>0) {
			$('#logined_user_email').html(user_email.value);
			$('#msg').hide();
			$('#login').hide();
			$('#logined').show();
		} else {
			alert("登录失败");
			window.location.href=login.action+"?action=ajax";
		}
		user_email.value = user_pwd.value = "";
	});
	return false;
}
function logout(url) {
	$.get(url);
	$('#logined').hide();
	$('#login').show();
}

function loginshow() {
	var user_email = getCookie("userEmail");
	if(user_email != null && user_email != "") {
		if(user_email.length>19) {
			user_email = user_email.split("@")[0];
		}
		$('#logined_user_email').html(user_email);
		$('#login').hide();
		$('#logined').show();
	} else {
		if(location.href.indexOf("down.asp") != -1) {
			$("#msg").html("友情提醒：本站需要会员登录才能下载");
		}
		$('#logined').hide();
		$('#login').show();
	}
}

$(function() {
   loginshow();
});