if (document.URL.indexOf('https:') > -1) { 
	var scriptLoc_s = 'https://'; 
} else { 
	var scriptLoc_s = 'http://'; 
} 

var scriptLoc = scriptLoc_s+'myap.liveperson.com/rep.asp';

var kbId = 0;
var queryString = window.location.search.substring(1);
var imgdata = '';
var subdata = '';
var overwrite = 0;
var refdata = document.referrer;
var daysToLive = 365;
var multiDomain = false;

if (queryString.length > 0)
{
	var pairs = queryString.split('&');
							
	for(var i = 0; i < pairs.length; i++)
	{
		var pairs2 = pairs[i].split('=');
		
		switch(pairs2[0].toLowerCase())
		{
			case 'kbid':
				kbId = pairs2[1];
				break;
			case 'clearcookie':
				if (pairs2[1] == 1)
				{
					DeleteCookie("kbid");
				}
				break;
			case 'img':
				imgdata = pairs2[1];
				break;
			case 'sub':
				subdata = pairs2[1];
				break;
		}
	} //end for
}//end if

if (GetCookie("kbid") == null || overwrite == 1)
{
	if (kbId != 0)
	{
		var xrn = Math.round(Math.random()*9999999);
		var img = new Image();
		var url = scriptLoc + '?xrn=' + xrn.toString() +'&id=' + kbId;
		if (imgdata != '')
		{
			url += '&img=' + imgdata
		}

		if (subdata != '')
		{
			url += '&sub=' + subdata
		}
		if (refdata != '')
		{
			url += '&ref=' + refdata;
		}

		img.src = url;
		
		SetCookie("kbid", kbId, daysToLive);
	}
}//end if

function getCookieVal (offset) 
{
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1)
		endstr = document.cookie.length;

	return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name) 
{
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	
	while (i < clen) 
	{
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg)
			return getCookieVal (j);
		
		i = document.cookie.indexOf(" ", i) + 1;

		if (i == 0) break; 
	}
	
	return null;
}

function WriteCookie (name, value, expires) 
{
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	var path = "/";

		//inserted by Andrew Herron to fix cross-sub-domain cookie compatibility, 05/02/2006
		if (multiDomain) {
			rootDomain = document.domain;
		} else {
			domain = document.domain;
			dparts = domain.split(".");
			if (dparts.length == 3) {
				rootDomain = dparts[1]+"."+dparts[2];
			} else {
				rootDomain = domain;
			}
		}

	var secure = (argc > 5) ? argv[5] : false;
	
	var cookie = name + "=" + escape(value) +
		((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
		((path == null) ? "" : ("; path=" + path)) +
		((rootDomain == null) ? "" : ("; domain=" + rootDomain)) +
		((secure == true) ? "; secure" : "");
	
	document.cookie = cookie;
}

function DeleteCookie (name) 
{
	var exp = new Date();
	exp.setTime (exp.getTime() - 1000000000);  // This cookie is history (changed -1 to make it previous time)
	var cval = GetCookie (name);
	document.cookie =name + "=" + cval + "; expires=" + exp.toGMTString();
}

function SetCookie(name, value, expiredays)
{
	var expdate = new Date(); 
	expdate.setTime(expdate.getTime() + (24 * 60 * 60 * 1000 * expiredays)); 
	WriteCookie(name, value, expdate);  
}