var _gif="tracer.a-cast.jp/actag";
var _click_type = "";
function _void() { 
	return; 
}
function _acGetCookie(cn) {
   var get_data = document.cookie;
   var cv = new Array();
   var gd = get_data.split(";");
   var i;
   for (i = 0; i < gd.length; i++) { 
      var a = gd[i].split("=");
      a[0] = a[0].replace(" ","");
      cv[a[0]] = a[1];
   }
   if (cv[cn]) return cv[cn];
   else return "";
}
function _acSetCookie(cn,val) {
   document.cookie = cn + "=" + val + "; path=/; expires=Thu, 1-Jan-2030 00:00:00 GMT;";
}
function _encodeURL(str){
    var s0, i, s, u;
    s0 = "";                
    for (i = 0; i < str.length; i++){  
        s = str.charAt(i);
        u = str.charCodeAt(i);          
        if (s == " "){s0 += "+";}    
        else {
            if ( u == 0x2a || u == 0x2d || u == 0x2e || u == 0x5f || ((u >= 0x30) && (u <= 0x39)) || ((u >= 0x41) && (u <= 0x5a)) || ((u >= 0x61) && (u <= 0x7a))){   
                s0 = s0 + s;            
            }
            else {                  
                if ((u >= 0x0) && (u <= 0x7f)){     
                    s = "0"+u.toString(16);
                    s0 += "%"+ s.substr(s.length-2);
                }
                else if (u > 0x1fffff){     
                    s0 += "%" + (oxf0 + ((u & 0x1c0000) >> 18)).toString(16);
                    s0 += "%" + (0x80 + ((u & 0x3f000) >> 12)).toString(16);
                    s0 += "%" + (0x80 + ((u & 0xfc0) >> 6)).toString(16);
                    s0 += "%" + (0x80 + (u & 0x3f)).toString(16);
                }
                else if (u > 0x7ff){        
                    s0 += "%" + (0xe0 + ((u & 0xf000) >> 12)).toString(16);
                    s0 += "%" + (0x80 + ((u & 0xfc0) >> 6)).toString(16);
                    s0 += "%" + (0x80 + (u & 0x3f)).toString(16);
                }
                else {                     
                    s0 += "%" + (0xc0 + ((u & 0x7c0) >> 6)).toString(16);
                    s0 += "%" + (0x80 + (u & 0x3f)).toString(16);
                }
            }
        }
    }
    return s0;
}
function _clickTag(_cid, _page, _title) {
	var now = new Date();
	var x = Math.round(Math.random() * (now.getTime() / 2147483647)) + now.getTime();
    var _proto=location.protocol;
    if (_proto != "http:" && _proto != "https:") {
		return;
	}
	var id;
	if(!navigator.cookieEnabled){    
		id = 'N/A';
	} else {
   		id = _acGetCookie('ac');
   		if (id == "") {
   			id = 'N/A';
   		}
	} 
	if (id != 'N/A') { 
	 	_acSetCookie('ac', id); 
	} else {
		_acSetCookie('ac', x);
		id = x; 
	}
	var url = window.location;
	var str = new String(url);
	var point = str.indexOf("#",0);
	if (point != -1) {
		url = str.substring(0, point);
	}
	if (_page != undefined && _page != '') {
		// page option setting here!
		if (_page.charAt(0) != "/") {
			_page = "/" + _page;
		}
		url = _proto+"//"+location.hostname+_page;
	}
	var ref = document.referrer;
	var ua = navigator.userAgent;
	var title = document.title;
	if (_title != undefined && _title != '') {
		title = _title;
	}
	if (url == "") url = 'N/A';
	if (ref == "") ref = 'N/A';
        if (ua == "") { ua = 'N/A'; } else { ua = _encodeURL(ua); }
	if (title == "") title = 'N/A';
    
	var _path=_proto + '//' + _gif + '?' + _cid + '*' + '0' + '*' + now.getTime() 
	+ '*'+ url + '*' + ref + '*' + ua + '*' + id + '*' + _encodeURL(title); 
	var _img=new Image(1,1);
	_img.src=_path;
	_img.onload=function() {_void();}

	if (_click_type != "t") {
		return;
	}

	if (navigator.userAgent.indexOf("Safari") >  0) {
		doHttpRead(_proto+"//"+location.hostname+"/robot.txt?"+(new Date()).getTime());
		return;
	}

	if (navigator.userAgent.indexOf("MSIE") < 0  && navigator.userAgent.indexOf("Safari") < 0 ) {
                var _stopTime = (new Date()).getTime() + 5000;
		while (_img.complete == false) {
			doHttpRead(_proto+"//"+location.hostname+"/robot.txt?"+(new Date()).getTime());
                       	var _curTime = (new Date()).getTime() ;
        	       	if ( _stopTime <= _curTime ) break ;
		}
	}

}
function _flashTag(_cid, _page) {
        _click_type = "f";
	_clickTag(_cid, _page, _page);
}


function ac_tracer(_cid, _page) {
        _click_type = "t";
	_clickTag(_cid, _page, _page);
}

function createXMLHttpRequest() {
	if (window.XMLHttpRequest) {
		return new XMLHttpRequest();
	}
	try {
		return new ActiveXObject("MSXML2.XMLHTTP");
	} catch(e) {
		try {
			return new ActiveXObject("Microsoft.XMLHTTP");
		} catch(f) {
			return null;
		}
	}
}

function URLReader(url) {
	this.url = url;
	this.complete = false;
	this.req = createXMLHttpRequest();
	if (this.req == null) {
		// throw new Error("XMLHTTPRequestを初期化できません。");
		return null;
	}
	this.req.open("GET", this.url, false);  
}

URLReader.prototype.read = function() {
	this.req.send("");
	if (this.req.status == 200 && this.req.readyState== 4) {
		this.complete = true;
	} else {
		this.complete = false;
		// throw new Error("サーバーと通信中にエラーが発生しました。");
	}
}

function doHttpRead(url) {
	try {
		var urlReader = new URLReader(url);
		if (urlReader == null) {
			return false;
		}
		urlReader.read();
	} catch (e) {
		// alert("サーバー通信中にエラーが発生しました。: " + url);
		return false;
	}
	return true;
}