function getCookie(name)
{
    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
     if(arr != null) return unescape(arr[2]); return null;

}

function setusernav(elementId){
	var islogin = getCookie("hduser");
	var ele = document.getElementById(elementId);
	if(islogin != null){
		ele.innerHTML = "<li><a href=\"http://www.hudong.com/user/logout/userLogout.jsp\" target=\"_blank\">退出</a></li><li><a href=\"http://www.hudong.com/help/\" target=\"_blank\">帮助</a>|</li><li><a href=\"http://www.hudong.com/op/pbIndex\" target=\"_blank\">管理中心</a>|</li>";
	}else{
		ele.innerHTML = "<li><a href=\"http://www.hudong.com/help/\" target=\"_blank\">帮助</a></li><li><a href=\"http://www.hudong.com/tour/tour_1.html\" target=\"_blank\">快速了解</a>|</li><li><a href=\"http://www.hudong.com/help/user/register/userRegister.jsp\">注册</a>|</li><li><a href=\"http://www.hudong.com/user/login/userLogin.jsp\">登录</a>|</li>";
	}
}