var isMSIE=(document.all)?true:false;
var isJS12=(window.screen)?true:false;

function base64_encode(decStr) {
  var base64s = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
  var bits;
  var dual;
  var i = 0;
  var encOut = '';
  while(decStr.length >= i + 3) {
    bits = (decStr.charCodeAt(i++) & 0xff) <<16 | (decStr.charCodeAt(i++) & 0xff) <<8 | decStr.charCodeAt(i++) & 0xff;
    encOut += base64s.charAt((bits & 0x00fc0000) >>18) + base64s.charAt((bits & 0x0003f000) >>12) + base64s.charAt((bits & 0x00000fc0) >> 6) + base64s.charAt((bits & 0x0000003f));
  }
  if(decStr.length -i > 0 && decStr.length -i < 3) {
    dual = Boolean(decStr.length -i -1);
    bits = ((decStr.charCodeAt(i++) & 0xff) <<16) | (dual ? (decStr.charCodeAt(i) & 0xff) <<8 : 0);
    encOut += base64s.charAt((bits & 0x00fc0000) >>18) + base64s.charAt((bits & 0x0003f000) >>12) + (dual ? base64s.charAt((bits & 0x00000fc0) >>6) : '=') + '=';
  }
  return(encOut);
}

function GetWLogURL() {
	var url = self.document.location.href;
	if(url.substr(0,4) == 'file') return "";
	var cpu = (typeof(navigator.cpuClass) == 'undefined') ? '' : navigator.cpuClass;
	var lang = (typeof(navigator.language) == 'undefined') ? navigator.browserLanguage : navigator.language; 
	var java = (navigator.javaEnabled() == true) ? '1' : '0'; 
	var cook = (navigator.cookieEnabled == true) ? '1' : '0';
	var ref = self.document.referrer;
    if((typeof(top.document) != "unknown" && typeof(top.document) != "undefined") && self.document.referrer == top.document.location.href) {
        ref = top.document.referrer;
    }

	var tz = -((new Date()).getTimezoneOffset() / 60);
	var col = (typeof(screen.colorDepth) == 'undefined') ? screen.pixelDepth : screen.colorDepth;
	var res = screen.width+'*'+screen.height;
    var ptcl = document.location.protocol.indexOf('https')!=-1?'https://':'http://';
	
	/*
	Change Test Mode : Replace Domain
	var _src = ptcl+'log.whois.co.kr/weblog.php?id=92&url='+base64_encode(url)+'&cpu='+cpu+'&language='+lang+'&java='+java+'&cook='+cook+'&tz='+tz+'&col='+col+'&res='+res+'&ref='+ref;
	*/
	var _src = ptcl+'log.whois.co.kr/weblog.php?id=92&url='+base64_encode(url)+'&cpu='+cpu+'&language='+lang+'&java='+java+'&cook='+cook+'&tz='+tz+'&col='+col+'&res='+res+'&ref='+ref;
    /***	CPC ±¤°í¿¡ ÀÇÇÑ À©µµ¿ì Á¢±Ù üũ ½ÃÀÛ	***/
    var first_vist_by_ref = is_first_visit_by_ref(ref);
    _src += '&first_visit_by_ref='+first_vist_by_ref;
    if(getCookie('fp_url') != '') _src += '&fp_url=' + base64_encode(getCookie('fp_url'));
    /***	CPC ±¤°í¿¡ ÀÇÇÑ À©µµ¿ì Á¢±Ù üũ Á¾·á	***/
    
    /***	À¯ÀÔ±¤°í¿¡ ¿£Áøº° Åë°è¸¦ À§ÇÑ ¿µ¿ª ½ÃÀÛ	***/
    if(getCookie('ref_url') != '') _src += '&ngref='+base64_encode(getCookie('ref_url'))

    /***	À¯ÀÔ±¤°í¿¡ ¿£Áøº° Åë°è¸¦ À§ÇÑ ¿µ¿ª Á¾·á	***/
        return _src;
}
function setCookie(name, value, expiredays) {
        var todayDate = new Date(); 
        todayDate.setDate(todayDate.getDate() + expiredays); 
        str = name + "=" + escape(value) + "; path=/;";
        ( (expiredays) ? "; expires=" + todayDate.toGMTString() : "") ;
       // document.cookie = name + "=" + escape(value) + "; path=/; expires=" + todayDate.toGMTString() + ";"
        document.cookie = str;
}

function getCookie(name) { 
	var nameOfCookie = name + "="; 
	var x = 0; 
	while ( x <= document.cookie.length ) { 
		var y = (x+nameOfCookie.length); 
		if (document.cookie.substring(x, y) == nameOfCookie) { 
			if ((endOfCookie = document.cookie.indexOf(";", y)) == -1) endOfCookie = document.cookie.length; 
			return unescape(document.cookie.substring(y, endOfCookie)); 
		} 
		x = document.cookie.indexOf(" ", x) + 1; 
		if (x == 0) break; 
	} 
	return "";
}

/**************************************************
*	Ãß°¡ : 2007. 10. 1 - by kinuz (kinuzy@gmail.com)
*	CPC ±¤°í¿¡ ÀÇÇÑ À©µµ¿ì Á¢±Ù üũ ·çƾ ½ÃÀÛ
**************************************************/
function is_first_visit_by_ref(ref){

	if(ref && (ref != window.name) && window.name == ''){
		window.name = ref;
		setCookie('fp_url', self.document.location.href);
		setCookie('ref_url', ref);
		return 1;
	}
	else
	{
		window.name = 'setNameByForce';
	}
	return 0;
}

if( isJS12 ) {
	var WLogImage = new Image();
	if( isMSIE ) WLogImage.src = GetWLogURL(); else setTimeout("WLogImage.src = GetWLogURL();",1);
} else {
	if( isMSIE ) document.write('<div style=\"display: none\">');
	document.write('<img src=\"' + GetWLogURL() + '\" height=\"0\" width=\"0\">');
	if( isMSIE ) document.write('</div>');
}