/*****
*
*   CRC32.js
*
*   copyright 2003, Kevin Lindsey
*   licensing info available at: http://www.kevlindev.com/license.txt
*
*****/

/*****
*
*   class variables
*
*****/
CRC32.VERSION = 1.0;

// CRC polynomial - 0xEDB88320
CRC32.table = [
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
];


/*****
*
*   constructor
*
*****/
function CRC32() { }


/*****
*
*   crc
*
*****/
CRC32.getCRC = function(data, offset, count) {
    var crc = 0xFFFFFFFF;
    var k;

    for ( var i = 0; i < count; i++ ) {
        k = (crc ^ data[offset+i]) & 0xFF;
        crc = ( (crc >> 8) & 0x00FFFFFF ) ^ CRC32.table[k];
    }

    return ~crc;
};

//end of crc32

var result;
// Detection of a plugin inside Internet Explorer on Windows
function IEDetectObject(ClassID)
{
	result = false;
	if (true)
	{
		document.write('<SCRIPT LANGUAGE=VBScript\> \n');
		document.write('on error resume next \n');
		document.write('result = IsObject(CreateObject("' + ClassID + '")) \n');
		document.write('</SCRIPT\> \n');
	}
	return result;
}

function getTrack()
{
	var cadena="";
	
	var navegador="undefined";
	//obtener navegador
	if ((navigator.userAgent).indexOf("Opera")!=-1)
	{
		navegador="opera";
	}
	else if (navigator.appName=="Netscape")
	{
		navegador="netscape";
	}
	else if ((navigator.appName).indexOf("Microsoft")!=-1)
	{
		navegador="explorer";
	}
	
	cadena= cadena + navegador;
	
	//obtener la version del navegador
	var nVer = navigator.appVersion;
	var nAgt = navigator.userAgent;
	
	var fullVersion = parseFloat(nVer);
	var majorVersion = parseInt(nVer);
	
	// In Internet Explorer, the true version is after "MSIE" 

	if ((verOffset=nAgt.indexOf("MSIE"))!=-1)
	{
		fullVersion = parseFloat(nAgt.substring(verOffset+5,nAgt.length));
		majorVersion = parseInt(''+fullVersion);
	}
	
	// In Opera, the true version is after "Opera"
	
	if ((verOffset=nAgt.indexOf("Opera"))!=-1)
	{
		fullVersion = parseFloat(nAgt.substring(verOffset+6,nAgt.length));
		majorVersion = parseInt(''+fullVersion);
	}
	
	cadena=cadena + fullVersion + majorVersion;
	
	//obtener sistema operativo
	var OSName="Unknown OS";
	if (navigator.appVersion.indexOf("Win")!=-1) OSName="Windows";
	if (navigator.appVersion.indexOf("Mac")!=-1) OSName="MacOS";
	if (navigator.appVersion.indexOf("X11")!=-1) OSName="UNIX";
	if (navigator.appVersion.indexOf("Linux")!=-1) OSName="Linux";
	
	cadena=cadena + OSName;
	
	//obtener resolucion
	var screenW = 640, screenH = 480;
	if (parseInt(navigator.appVersion)>3)
	{
	screenW = screen.width;
	screenH = screen.height;
	}
	else if (navigator.appName == "Netscape" && parseInt(navigator.appVersion)==3 && navigator.javaEnabled())
	{
		var jToolkit = java.awt.Toolkit.getDefaultToolkit();
		var jScreenSize = jToolkit.getScreenSize();
		screenW = jScreenSize.width;
		screenH = jScreenSize.height;
	}
	
	var cadena= cadena + screenW + screenH;
	
	//obtener profundidad de color
	cadena=cadena + window.screen.colorDepth;
	
	//obtener antialiasing de fuentes
	cadena=cadena + window.screen.fontSmoothingEnabled;
	
	//obtener plataforma
	cadena=cadena + navigator.platform;

	//obtener java
	cadena=cadena + navigator.javaEnabled();
	
	//obtener tipo de procesador
	cadena=cadena + navigator.cpuClass;
	
	//obtener lenguaje
	cadena=cadena + navigator.language;
	
	//obtener nš de plugins
	cadena=cadena + navigator.plugins.length;
	
	//obtener plugins
	for(var i=0; i<navigator.plugins.length; i++)
	{
		cadena=cadena + navigator.plugins[i].name;
	}
	
	//obtener nš mimetypes
	cadena=cadena + navigator.mimeTypes.length;
	for(i=0; i<navigator.mimeTypes.length; i++)
	{
		cadena=cadena + navigator.mimeTypes[i].type;
	}
	
	//el internet explorer hay que usar vbscript para detectar los plugins
	if((navegador=="explorer") && (OSName=="Windows"))
	{
		cadena=cadena + IEDetectObject("SWCtl.SWCtl.1");
		for(var i=1; i<8; i++)
		{
			cadena=cadena + IEDetectObject("ShockwaveFlash.ShockwaveFlash." + i);
		}
		cadena=cadena + IEDetectObject("rmocx.RealPlayer G2 Control.1");
		cadena=cadena + IEDetectObject("RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)");
		cadena=cadena + IEDetectObject("RealVideo.RealVideo(tm) ActiveX Control (32-bit)");
		cadena=cadena + IEDetectObject("QuickTimeCheckObject.QuickTimeCheck.1");
		cadena=cadena + IEDetectObject("MediaPlayer.MediaPlayer.1");
		for(var i=1; i<7; i++)
		{
			cadena=cadena + IEDetectObject("PDF.PdfCtrl." + i);
		}
	}
	
	//document.writeln(cadena);
	return cadena;
}

function getParams()
{
	var idx = document.URL.indexOf('?');
	var params = new Array();
	if (idx != -1)
	{
		var pairs = document.URL.substring(idx+1, document.URL.length).split('&');
		for (var i=0; i<pairs.length; i++)
		{
			nameVal = pairs[i].split('=');
			params[nameVal[0]] = nameVal[1];
		}
	}
	return params;
}

//argumentos: nombre, valor, duracion, ruta, dominio, segura
function SetCookie (name, value)
{
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	var cadena = name + "=" + escape (value) +
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
	((path == null) ? "" : ("; path=" + path)) +
	((domain == null) ? "" : ("; domain=" + domain)) +
	((secure == true) ? "; secure" : "");

	document.cookie = cadena;
}

var cadena = getTrack();
var crcCadena= CRC32.getCRC(cadena, 0, cadena.length);
var parametros= getParams();

//por alguna razon no deja poner una cookie con un dominio distinto al donde se ejecuta el codigo
//en vez de crearlas con el dominio analisis.adleadstats.com habra que crear cada una
//en la web que se ejecuta
//var expdate = new Date();
//expdate.setTime(expdate.getTime() +  (24 * 60 * 60 * 1000 * 31)); 
//SetCookie("cas_cookie1", "valor", expdate);

var referer = document.referrer;
var patron = /([a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,6}/
referer = patron.exec(referer);
if(referer!=null)
{
	referer = referer[0];
}
else
{
	referer = "";
}

function extractVar(variable, url)
{
	var expReg = new RegExp(variable+"=","i");
	url=url.split(expReg);
	if(url.length>1)
	{
		url=url[1];
		url=url.split(/&/);
		url=url[0];
	}
	else
	{
		url="";
	}
	return url;
}

var busqueda= "";
var buscador=0;
var query="";
var encoding="";
if(referer.search("google")!=-1)
{
	buscador=1;
	query="q";
	busqueda=extractVar(query, document.referrer);
	//encoding=extractVar("ie", document.referrer);
	encoding="utf8";
}
else if(referer.search("yahoo")!=-1)
{
	buscador=2;
	query="p";
	busqueda=extractVar(query, document.referrer);
	encoding=extractVar("ei", document.referrer);
}
else if(referer.search("search\.msn")!=-1)
{
	buscador=3;
	query="q";
	busqueda=extractVar(query, document.referrer);
	encoding="utf8";
}

var imagen;
imagen=new Image(1, 1);
var url="http://analisis.adleadstats.com/seguimiento/imagen.php?webid="+sac_web_id+"&type="+sac_conversion_type+"&value="+sac_conversion_value+"&crc="+crcCadena+"&referer="+referer+"&busqueda="+busqueda+"&buscador="+buscador+"&encoding="+encoding;

if(parametros["sac_id"]!=null)
{
	url = url + "&adid=" + parametros["sac_id"];
}

imagen.src=url;