function loginjudge() {
	var common = new Common();
	if (userEmail == null || userEmail == "") {
		$("div[name=\"logindiv\"]").show();
		$("div[name=\"logininfo\"]").hide();
	} else {
		$("div[name=\"logindiv\"]").hide();
		$("div[name=\"logininfo\"]").show();
		$("#nickName").empty();
		$("#nickName").append('<strong>Nickname:</strong>'+userNikaname);
	}
	if(common.getCookie('userEmail')!=null && common.getCookie('userEmail')!=""){
		$("#emailinput").val(common.getCookie('userEmail'));
	}
	if(common.getCookie('userPassword')!=null && common.getCookie('userPassword')!=""){
		$("#passwordinput").val(common.getCookie('userPassword'));
	}
}
function logout() {
	var para = "method=logout";
	$.post(url+"/userManager.do", para, function (data) {
		userEmail="";
		loginjudge();
	});
}
function bb(va){
         if(va==13){
           	login_submit();
	     }
 }
function login_submit() {
	if ($.trim($("#emailinput").val()) == "") {
		alert("Please enter E-mail!");
		$("#emailinput").focus();
		return false;
	} else {
		if (!isemail($("#emailinput").val())) {
			alert("Email form is wrong");
			$("#emailinput").focus();
			return false;
		} else {
			if ($.trim($("#passwordinput").val()) == "") {
				alert("Please enter Password!");
				$("#passwordinput").focus();
				return false;
			} else {
				if ($.trim($("#passwordinput").val()).length > 11 || $.trim($("#passwordinput").val()).length < 6) {
					alert("The Password length is not between 6 and 11!");
					$("#passwordinput").focus();
					return false;
				} else {
					if ($.trim($("#codeinput").val()) == "") {
						alert("Please enter verification!");
						$("#codeinput").focus();
						return false;
					}
				}
			}
		}
	}
	var para = 'method=userlogin';
	para += "&email="+$.trim($("#emailinput").val());
	para += "&password="+$.trim($("#passwordinput").val());
	para += "&code="+$.trim($("#codeinput").val());

	$.post(url+"/userManager.do", para, function (data) {
		
		if (data.indexOf("Error") != -1) {
			$("#login_pic").attr("src", url+"/loginRandomPicture.jsp?now=" + new Date());
			alert(data.replace("Error:", ""));
		} else {
			location.reload();
		}
	});
}