//First things first, set up our array that we are going to use.
var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + //all caps
"abcdefghijklmnopqrstuvwxyz" + //all lowercase
"0123456789+/="; // all numbers plus +/=

//Heres the encode function
function CL_Base64Encode(inp)
{
    var out = ""; //This is the output
    var chr1, chr2, chr3 = ""; //These are the 3 bytes to be encoded
    var enc1, enc2, enc3, enc4 = ""; //These are the 4 encoded bytes
    var i = 0; //Position counter

    do { //Set up the loop here
    chr1 = inp.charCodeAt(i++); //Grab the first byte
    chr2 = inp.charCodeAt(i++); //Grab the second byte
    chr3 = inp.charCodeAt(i++); //Grab the third byte

    //Here is the actual base64 encode part.
    //There really is only one way to do it.
    enc1 = chr1 >> 2;
    enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
    enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
    enc4 = chr3 & 63;

    if (isNaN(chr2)) {
    enc3 = enc4 = 64;
    } else if (isNaN(chr3)) {
    enc4 = 64;
    }

    //Lets spit out the 4 encoded bytes
    out = out + keyStr.charAt(enc1) + keyStr.charAt(enc2) + keyStr.charAt(enc3) +
    keyStr.charAt(enc4);

    // OK, now clean out the variables used.
    chr1 = chr2 = chr3 = "";
    enc1 = enc2 = enc3 = enc4 = "";

    } while (i < inp.length); //And finish off the loop

    //Now return the encoded values.
    return out;
}

//Heres the decode function
function CL_Base64Decode(inp)
{
    var out = ""; //This is the output
    var chr1, chr2, chr3 = ""; //These are the 3 decoded bytes
    var enc1, enc2, enc3, enc4 = ""; //These are the 4 bytes to be decoded
    var i = 0; //Position counter

    // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
    var base64test = /[^A-Za-z0-9\+\/\=]/g;

    if (base64test.exec(inp)) { //Do some error checking
    alert("There were invalid base64 characters in the input text.\n" +
    "Valid base64 characters are A-Z, a-z, 0-9, ?+?, ?/?, and ?=?\n" +
    "Expect errors in decoding.");
    }
    inp = inp.replace(/[^A-Za-z0-9\+\/\=]/g, "");

    do { //Here’s the decode loop.

    //Grab 4 bytes of encoded content.
    enc1 = keyStr.indexOf(inp.charAt(i++));
    enc2 = keyStr.indexOf(inp.charAt(i++));
    enc3 = keyStr.indexOf(inp.charAt(i++));
    enc4 = keyStr.indexOf(inp.charAt(i++));

    //Heres the decode part. There’s really only one way to do it.
    chr1 = (enc1 << 2) | (enc2 >> 4);
    chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
    chr3 = ((enc3 & 3) << 6) | enc4;

    //Start to output decoded content
    out = out + String.fromCharCode(chr1);

    if (enc3 != 64) {
    out = out + String.fromCharCode(chr2);
    }
    if (enc4 != 64) {
    out = out + String.fromCharCode(chr3);
    }

    //now clean out the variables used
    chr1 = chr2 = chr3 = "";
    enc1 = enc2 = enc3 = enc4 = "";

    } while (i < inp.length); //finish off the loop

    //Now return the decoded values.
    return out;
}


function CL_CreateCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function CL_CreateCookieBase64(name,value,days)
{
    var enc_name = name; //CL_Base64Encode(name);
    var enc_value = CL_Base64Encode(value);
    CL_CreateCookie(enc_name, enc_value, days);
}

function CL_ReadCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function CL_ReadCookieBase64(name) {
    var enc_name = name; //CL_Base64Encode(name);
    
    var enc_value = CL_ReadCookie(enc_name);
    var value = CL_Base64Decode(enc_value);
    
    return value;
}

function CL_EraseCookie(name) {
	createCookie(name,"",-1);
}
function CL_GetUrlParamter(name)
{
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var tmpURL = window.location.href;
  var results = regex.exec( tmpURL );

  if( results == null )
    return "";
  else
    return results[1];
}


var _redirect = "";
var _account = "";

function OneTrackSys()
{
    var _rfr = "";
    if(document.referrer) _rfr=document.referrer;
    
    var _clc = CL_ReadCookie("clc");
    if(_clc == null)
    {
        _clc = "zy4sqfzufg3btq45e2fl1b55";
        CL_CreateCookie("clc", _clc, 2039);
    }
    
    var _funnel_id = CL_GetUrlParamter("fid");
    
    //var _imgsrc = "http://www.1tracksys.web/recorder/"
    var _imgsrc = "http://www.1tracksys.com/recorder/"
        + "?mid=" + _account
        + "&uri=" + CL_Base64Encode(document.URL)
        + "&rfr=" + CL_Base64Encode(_rfr)
        + "&ssc=zy4sqfzufg3btq45e2fl1b55"
        + "&clc=" + _clc
        + "&fid=" + _funnel_id
        ;
    var img = new Image();
    img.src = _imgsrc; 
     
    var _enc_redirect = CL_GetUrlParamter("uri");
        
    if(_enc_redirect != "")
        _redirect = CL_Base64Decode(_enc_redirect);
        
    if(_redirect != "")
        document.location = _redirect;
}