var chatId;
function setStat()
{                 
	var sitenum = "1";
	var sessionid = "SESSIONID_"+sitenum;
	var connectid = "CONNECTID_"+sitenum;
	var refid	  = "REFID_"+sitenum;

	var appname = navigator.userAgent;
	var os;
	var osversion;
	var browser;
	var browsername;
	var isfirst = false;

	// üũ ÇØ»óµµ
	var vn_screenx = screen.width; // È­¸é½ºÅ©¸° ³ÐÀÌ
	var vn_screeny = screen.height; // È­¸é½ºÅ©¸° ³ôÀÌ

	var resolution = vn_screenx + " * " + vn_screeny;

	// üũ ŸÀÓÁ¸
	var tz = new Date();
	var tzStr = (tz.getTimezoneOffset()/60) * -1;

	// üũ »ç¿ë¾ð¾îº°
	var lang;

	if (navigator.appName == "Netscape")
		lang = navigator.language;
	else
		lang = navigator.userLanguage;

	// Check OS
	if(appname.indexOf("NT 5.0")>0) { os = "Windows 2000"; osversion = "2000"; }
	else if(appname.indexOf("NT 6.0")>0) { os = "Windows Vista"; osversion = "VISTA"; }
	else if(appname.indexOf("NT 5.1")>0) { os = "Windows XP"; osversion = "XP"; }
	else if(appname.indexOf("NT 5.2")>0) { os = "Windows 2003"; osversion = "2003"; }
	else if(appname.indexOf("98")>0) { os = "Windows 98"; osversion = "98"; }
	else if(appname.indexOf("ME")>0) { os = "Windows ME"; osversion = "ME"; }
	else if(appname.indexOf("LINU")>0) { os = "LINUX"; osversion=""; }
	else { os = "ETC"; osversion="-"; }

	if(appname.indexOf("MSIE 8.0")>0) { browser="MSIE 8.0"; browsername="Internet Explorer"; }
	else if(appname.indexOf("MSIE 7.0")>0) { browser="MSIE 7.0"; browsername="Internet Explorer"; }
	else if(appname.indexOf("MSIE 6.0")>0) { browser="MSIE 6.0"; browsername="Internet Explorer"; }
	else if(appname.indexOf("MSIE 5.5")>0) { browser="MSIE 5.5"; browsername="Internet Explorer"; }
	else if(appname.indexOf("MSIE 5.0")>0) { browser="MSIE 5.0"; browsername="Internet Explorer"; }
	else if(appname.indexOf("MSIE")>0) { browser="MSIE"; browsername="Internet Explorer"; }
	else if(appname.indexOf("Gecko")>0) { browser="Gecko"; browsername=navigator.appName;}
	else if(appname.indexOf("Opera")>0) {browser = "Opera"; browsername="Internet Explorer";}
	else { browser = "ETC"; browsername=navigator.platform; }

	var url = document.URL
	var urls = url.split("?");
	var urlhost = urls[0];
	var urlquery = urls.length>1 ? urls[1] : "";
//alert(typeof("parent.document"));

	var pref = "";//document==null ? "" : parent.document.referrer;
	var ref = document.referrer;
	var refs, refhost="", refquery="";

	try{ pref = parent.document.referrer;}catch(_e){ try{ pref = top.document.referrer; }catch(_e){ pref = ""} }

	if(pref != ref)
	{
		ref = pref;
	}

	if(ref==url)
	{
		ref = "";
	}
	else
	{
		refs = ref.split("?");
		refhost = refs[0];
		refquery = refs.length>1 ? refs[1] : "";
	}

	// À¯ÀÔ°æ·Îº° Àμ­Æ® ·ÎÁ÷Ãß°¡
	var cururl = url;
	var cururl2 = "";
	
	if(cururl.indexOf("http://www.") > -1) {
		cururl2 = cururl.substring(11, cururl.substring(11).indexOf("/") + 11);
	} else if(cururl.indexOf("http://") > -1) {
		cururl2 = cururl.substring(7, cururl.substring(7).indexOf("/") + 7);
	}

	var refurl = ref;
	var refurl2 = "";

	if(refurl.indexOf("http://www.") > -1) {
		refurl2 = refurl.substring(11, refurl.substring(11).indexOf("/") + 11);
	} else if(refurl.indexOf("http://") > -1) {
		refurl2 = refurl.substring(7, refurl.substring(7).indexOf("/") + 7);
	}
	// À¯ÀÔ°æ·Îº° Àμ­Æ® ·ÎÁ÷Ãß°¡ ³¡

	var expire         = new Date();
	var sessionid_val  = getCookie(sessionid);
	var connectid_val  = getCookie(connectid);
	var refid_val	   = getCookie(refid);
	var curdate        = new Date(2024, 10, 30, 12, 32, 17, expire.getMilliseconds() );

	expire.setTime(curdate.getTime() + 1000 * 3600 * 24 * 365);

	if(sessionid_val=="")
	{
		setCookie(sessionid, ""+curdate.getTime(), expire);
		sessionid_val = ""+curdate.getTime();
	}

	if(connectid_val == "")
	{
		connectid_val = ""+curdate.getTime();
		setCookie(connectid,connectid_val,null);
		isfirst = true;
	}

	// À¯ÀÔ°æ·Îº° Àμ­Æ® ·ÎÁ÷Ãß°¡
	if(refid_val == "") {
		if(refurl2 == "") {
			refid_val = "BOOKMARK";
		} else {
			refid_val = refurl2;
		}
		setCookie(refid,refid_val,null);
	}

	if( (refurl2 != "" && cururl2 != refurl2) && (refurl2 != refid_val) ) {
		
		connectid_val = ""+curdate.getTime();
		setCookie(connectid,connectid_val,null);
		setCookie(refid,refurl2,null);

		isfirst = true;
	}
	// À¯ÀÔ°æ·Îº° Àμ­Æ® ·ÎÁ÷Ãß°¡ ³¡

	chatId = connectid_val;

	// À̹ÌÁö ¸µÅ©ÇÒ ¶§´Â Àý´ë °æ·Î·Î ÇÕ´Ï´Ù. HOST¸í±îÁö Àû¾î ÁÖ¾î¾ß ÇÕ´Ï´Ù.
	var img = "http://weblog2.ahndentist.com/stat.jsp?sitenum=" + sitenum+"&isfirst="+isfirst+"&sessionid="+sessionid_val+"&connectid="+connectid_val+"&os="+escape(os)+"&osversion="+escape(osversion)+"&browser="+escape(browser)+"&browsername="+escape(browsername)+"&ref="+escape((ref))+"&url="+escape((url))+"&resolution="+resolution+"&lang="+lang+"&tzStr="+tzStr;

	document.write("<img src='"+img+"' border=0 width=0 height=0>");
}

// COOKIE ¼³Á¤
function getCookie(name)
{
	var nameOfCookie = name + "=";
	var x = 0;
//<![CDATA[
	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 "";
}

function setCookie (name, value, expires)
{
	if(expires==null) document.cookie = name + "=" + escape (value) + "; path=/";
	else document.cookie = name + "=" + escape (value) + "; path=/; expires=" + expires.toGMTString();
}
///////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////
setStat();
///////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////