function string_encode(str)
    {
    	var s = "";
    	for(var i=0, n = str.length; i<n; i++)
    	{
    		if( str.charCodeAt(i)>=0 && str.charCodeAt(i)<=255 )
    		{
    			s += escape( str.charAt(i) );
    		}
    		else
    		{
    			s += str.charAt(i);
    		}
    	}
    	return s;
    }

    function get_domain(host)
    {
    	var d = '';
    	d.replace(/^www\./,'');
    	return d;
    }

    function set_cookie(name, val, hours)
    {
    	var date = cookie = '';
    	if(hours != null)
    	{
    		date = new Date( (new Date()).getTime() + hours * 3600000 );
    		cookie = name+"="+ escape(val) +";expires="+date.toGMTString()+";";

    		var d = get_domain(document.domain);
    		if(d!="")
    		{
    			cookie += 'domain='+ d +';';
    		}
    		cookie += 'path=/;';
    		document.cookie = cookie;
    	}

    }

    function get_cookie(name)
    {
    	var cookies = document.cookie;
    	var cookieval = cookieindex = start =  '';

    	cookieindex = cookies.indexOf(name);
    	if( cookieindex > -1)
    	{
    		valindex = cookies.indexOf(';', cookieindex);
    		start = cookieindex + name.length + 1;
    		if(valindex<0)
    		{
    			cookieval = cookies.substring(start);
    		}else{
    			cookieval = cookies.substring(start, valindex);
    		}
    	}

    	return unescape(cookieval);
    }


    function  statistics()
    {
    	var sessionid = guid =  viewstat = viewstatstr = '';
    	var isfirstview = 0;
    	var viewstatarr =  parameterarr = [];
    	var novisit = url = lastpage = '';
    	var citycode = get_cookie('hj_citycode');

    	sessionid = get_cookie('sessionid');
    	if(sessionid.length < 10)
    	{
    		sessionid = '3d5b9a89ba339e2636136109994c0fd6';
    		set_cookie('sessionid', sessionid, 1);
    	}

    	url = document.URL;
    	lastpage = get_cookie('view_lastpage');
    	if(lastpage == url)
    	{
    		novisit = false;
    	}else{
    		set_cookie('view_lastpage', url, 0.5);  // 半小时
    		novisit = true;
    	}
    	
    	if(novisit)
    	{
    		viewstatstr = get_cookie('view_stat');
    		if(viewstatstr == '')
    		{
    			isfirstview = 0;

    			guidleft 	= Math.floor((Math.random()*6000000000));
    			guidright 	= Math.floor(Math.random()*6000000000);
    			guid 		= guidleft.toString() + guidright.toString();
    			viewstat 	= guid+'|'+isfirstview;

    			set_cookie('view_stat', viewstat, 1);
    		}else{
    			viewstatarr = viewstatstr.split('|');
    			isfirstview = parseInt(viewstatarr[1])+1;
    			guid 		= viewstatarr[0];
    			viewstat 	= guid+'|'+isfirstview;

    			set_cookie('view_stat', viewstat, 1);
    		}
    		
    		
    		parameterarr.push('modulename=' + (typeof modulename != 'undefined' ? modulename : ''));
    		parameterarr.push('contentid=' + (typeof contentid != 'undefined' ? contentid : ''));
    		parameterarr.push('moduletype=' + (typeof moduletype != 'undefined' ? moduletype : ''));
    		parameterarr.push('citycode=' + citycode );
    		parameterarr.push('sessionid=' + sessionid );
    		parameterarr.push('isfirstview=' + isfirstview);
    		parameterarr.push('guid=' + guid);
    		parameterarr.push('agent=' + string_encode(navigator.userAgent) );
    		parameterarr.push('url=' + string_encode(url) );
    		parameterarr.push('referer=' + string_encode(document.referrer));

    		parameterstr = parameterarr.join('&');

    		parameter = parameterstr.substring(0,1) == "?" ? parameterstr : '?'+parameterstr;

    		statisticsurl = 'http://app.haoju.cn/count/statistics.php' + parameter;
        
    		// 加载
    		document.write('<img src="'+statisticsurl+'" border="0" width="0" height="0" />');
    	}

    }

    // 入口
    statistics();