var w = window;
var d = document;
var pageId = 21483;
var logURL = "http://blog05.analyzer.livedoor.jp/js/a.js";
var cookieName = "LDANA_" + pageId;
var visit = 0;
var ce = 0;
var uu; var t; var n = 0;

if(navigator.cookieEnabled)
    ce = 1;

function genRandomStr(len) {
    var s ="0123456789abcdef";
    var a = s.split("");
    var str = "";
    for(i=0;i<len;i++){ 
        var x = Math.floor(Math.random() * s.length);        
        str += a[x];
    }
    return str;
}

function getReferrer() {
    var ref = "";
    ref = d.referrer;
    if(d.parent && d.parent != undefined) {
        ref = d.parent.referrer;
    }
    if(ref.match(/^(undefined|unknown|bookmark)$/i))
        ref = "";
    return ref;
}

function getScreenSize() {
    var size = "";
    if(w.screen)
        size = w.screen.width + "x" + w.screen.height;
    return size;
}

function getColorDepth() {
    if(w.screen) 
        if(navigator.appName=='Netscape')
            return w.screen.pixelDepth;
        else
            return w.screen.colorDepth;
    return "";
}

function fixDate (date) {
    var base = new Date(0);
    var skew = base.getTime();
    if (skew > 0)
        date.setTime(date.getTime() - skew);
}

function setCookie(key, val) {
    var expires = new Date();
    fixDate(expires);
    expires.setTime(expires.getTime() + 14 * 24 * 60 * 60 * 1000); // 2weeks.
    var cookieStr = key + "=" + encodeURIComponent(val) + "; expires=" + expires.toGMTString();
    document.cookie = cookieStr;
}

function getCookie (key) {
    var prefix = key + "=";
    var c = document.cookie;
    var sidx = c.indexOf(prefix);
    if (sidx == -1)
        return "";
    var eidx = c.indexOf(";", sidx + prefix.length);
    if (eidx == -1)
        eidx = c.length;
    return decodeURIComponent(c.substring(sidx + prefix.length, eidx));
}

function getUrl () {
    var url = d.referrer;
    if (w.top.location == d.location) {
	url = d.location;
    }
    return url;
}

function userTracking(){
    var val = getCookie(cookieName);
    var now = Math.round((new Date()).getTime()/1000);
    if(val) {
	var values = val.split(',');
	uu = values[0];
	t = values[1];
	n = values[2];
	if(now - t > 3600)
	    visit = 1;
    }
    else {
	visit = 1;
	uu = genRandomStr(32);
    }
    n++;
    setCookie(cookieName, uu + "," + now + "," + n);
}

userTracking();

var qs="pid=" + pageId + "&r=" + encodeURIComponent(getReferrer()) + "&ss=" + getScreenSize() + "&cd=" + getColorDepth() + "&uu=" + uu + "&n=" + n + "&visit=" + visit + "&ce=" + ce + "&u=" + encodeURIComponent(getUrl());
var processURL = logURL + "?" + qs;

document.write('<SCR'+'IPT SRC="' + processURL + '"></SCR'+'IPT>');