//Huella
function pantalla() {
  var resolucion = '(' + screen.width + 'x' + screen.height + '),' + screen.pixelDepth + ',' + screen.colorDepth;
  return resolucion;
}

function SistemaOperativo() {
  if (navigator.userAgent.indexOf('IRIX') != -1) {var SO = "Irix" }
  else if ((navigator.userAgent.indexOf('Win') != -1) && (navigator.userAgent.indexOf('98') != -1)) {var SO= "Windows 98"}
  else if ((navigator.userAgent.indexOf('Win') != -1) && (navigator.userAgent.indexOf('95') != -1)) {var SO= "Windows 95"}
  else if (navigator.appVersion.indexOf("16") !=-1) {var SO= "Windows 3.1"}
  else if (navigator.userAgent.indexOf("NT 5.1") !=-1) {var SO= "Windows XP"}
  else if (navigator.appVersion.indexOf("NT") !=-1) {var SO= "Windows NT"}
  else if (navigator.appVersion.indexOf("SunOS") !=-1) {var SO= "SunOS"}
  else if (navigator.appVersion.indexOf("Linux") !=-1) {var SO= "Linux"}
  else if (navigator.userAgent.indexOf('Mac') != -1) {var SO= "Macintosh"}
  else if (navigator.appName=="WebTV Internet Terminal") {var SO="WebTV"}
  else if (navigator.appVersion.indexOf("HP") !=-1) {var SO="HP-UX"}
  else {var SO= "No identificado"}
  return SO;
}

//Plugsins
function ver_plugins() {
  var agt=navigator.userAgent.toLowerCase();
  var ie  = (agt.indexOf("msie") != -1);
  var ns  = (navigator.appName.indexOf("Netscape") != -1);
  var win = ((agt.indexOf("win")!=-1) || (agt.indexOf("32bit")!=-1));
  var mac = (agt.indexOf("mac")!=-1);

  if (ie && win) {	pluginlist = detectIE("Adobe.SVGCtl","SVG Viewer") + detectIE("SWCtl.SWCtl.1","Shockwave Director") + detectIE("ShockwaveFlash.ShockwaveFlash.1","Shockwave Flash") + detectIE("rmocx.RealPlayer G2 Control.1","RealPlayer") + detectIE("QuickTimeCheckObject.QuickTimeCheck.1","QuickTime") + detectIE("MediaPlayer.MediaPlayer.1","Windows Media Player") + detectIE("PDF.PdfCtrl.5","Acrobat Reader"); }
  if (ns || !win) {
	nse = ""; 
	for (var i=0;i<navigator.mimeTypes.length;i++) nse += navigator.mimeTypes[i].type.toLowerCase();
	pluginlist = detectNS("image/svg-xml","SVG Viewer") + detectNS("application/x-director","Shockwave Director") + detectNS("application/x-shockwave-flash","Shockwave Flash") + detectNS("audio/x-pn-realaudio-plugin","RealPlayer") + detectNS("video/quicktime","QuickTime") + detectNS("application/x-mplayer2","Windows Media Player") + detectNS("application/pdf","Acrobat Reader");
  }
  
  pluginlist += navigator.javaEnabled() ? "Java," : "";
  if (pluginlist.length > 0) pluginlist = pluginlist.substring(0,pluginlist.length-1);

  return pluginlist;
}

function detectIE(ClassID,name) { 
  result = false; 
  document.write('<SCRIPT LANGUAGE=VBScript>\n on error resume next \n result = IsObject(CreateObject("' + ClassID + '"))</SCRIPT>\n');   
  if (result) return name+','; 
  else return ''; 
}

function detectNS(ClassID,name) { 
  n = ""; 
  if (nse.indexOf(ClassID) != -1) if (navigator.mimeTypes[ClassID].enabledPlugin != null) n = name+","; 
  return n; 
}

function huella() {
  var valor_huella = navigator.appCodeName + "<br>" + 
					 navigator.appName + "<br>" + 
					 navigator.appVersion + "<br>" + 
					 navigator.language + "<br>" + 
					 navigator.platform + "<br>" + 
					 //ver_plugins() + "<br>" + //No funciona en IE
					 navigator.userAgent + "<br>" +
					 SistemaOperativo() + "<br>" +
					 pantalla() + "<br>";
  return valor_huella;
}