function SetCookie(sName, sValue, timeKeep)
{
	var now=new Date();
	var expireTime= new Date(now.valueOf()+timeKeep*60000*60);
	document.cookie = sName + "=" + escape(sValue) + "; path=/; expires=" + expireTime.toGMTString() + ";";
}

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]) 
			return unescape(aCrumb[1]);
	}
	return null;
}

function GetCurrentDateTime()
{
    var date = new Date();
    var current=new String("");
    current += date.getFullYear()+"-";
    current += date.getMonth() + 1+"-";
    current += date.getDate()+" ";
    current += date.getHours()+":";
    current += date.getMinutes()+":";
    current += date.getSeconds();
    return current;
}


//	Cookie名称
var str_cookie_unique = "tracker_cookie_" + str_tracker_id;
var str_cookie_datetime = "tracker_cookie_datetime_" + str_tracker_id;
// 是否唯一用户；24小时算一次
var str_firstAccessUser;
if (GetCookie(str_cookie_unique)==null)
{
	str_firstAccessUser = "True";
	SetCookie(str_cookie_unique,"True",24);
}
else
	str_firstAccessUser="False";

// 访问时间
var str_tracker_lastAccess_datetime = GetCookie(str_cookie_datetime);
SetCookie(str_cookie_datetime,GetCurrentDateTime(),365*24);
if (str_tracker_lastAccess_datetime==null)
	str_tracker_lastAccess_datetime="";

// 统计代码
document.write("<iframe src=\""+str_tracker_server+"/Tracker/trackerAnalysis.aspx?tracker_id="+str_tracker_id+"&firstAccessUser="+str_firstAccessUser+"&dpi="+escape(screen.width)+"*"+escape(screen.height)+"&color="+escape(screen.colordepth)+"&language="+escape(navigator.browserLanguage)+"&location="+escape(location.href)+"&referrer="+escape(document.referrer)+"&lastAccessDateTime="+escape(str_tracker_lastAccess_datetime)+"\" style=\"display:none;width:0;height:0;\"></iframe>");