try {
  var SEP = '|';
  ua = window.navigator.userAgent.toLowerCase();
  opera = ua.indexOf("opera") >= 0;
  ie = ua.indexOf("msie") >= 0 && !opera;
  iemac = ie && ua.indexOf("mac") >= 0;
  moz = ua.indexOf("mozilla") && !ie && !opera;
  os = window.navigator.platform;
} catch (e) {
  // Probably IE 6
}

function activeXDetect(componentClassID) {
  componentVersion = document.body.getComponentVersion('{' + componentClassID + '}', 'ComponentID');

  return (componentVersion != null) ? componentVersion : false;
}

function extractVersions(s) {
  extractedVersions = "";
  for (var i = 0; i < s.length; i++) {
    charAtValue = s.charAt(i);
    if ((charAtValue >= '0' && charAtValue <= '9')
			|| charAtValue == '.'
			|| charAtValue == '_'
			|| charAtValue == ','
		) {
      extractedVersions += charAtValue;
    }
  }

  return extractedVersions;
}

function stripIllegalChars(value) {
  t = "";
  value = value.toLowerCase();
  for (i = 0; i < value.length; i++) {
    if (value.charAt(i) != '\n' && value.charAt(i) != '/' && value.charAt(i) != "\\") {
      t += value.charAt(i);
    } else if (value.charAt(i) == '\n') {
      t += "n";
    }
  }

  return t;
}

function stripFullPath(tempFileName, lastDir) {
  fileName = tempFileName;
  filenameStart = 0;
  filenameStart = fileName.lastIndexOf(lastDir);
  if (filenameStart < 0) filenameStart = 0;
  filenameFinish = fileName.length;
  fileName = fileName.substring(filenameStart + lastDir.length, filenameFinish);

  return fileName;
}

function fingerprint_browser() {
  t = ua;
  return t;
}

function fingerprint_os() {
  t = window.navigator.platform;
  return t;
}

function fingerprint_display() {
  t = "";
  if (self.screen) {
    t += screen.colorDepth + SEP + screen.width + SEP + screen.height + SEP + screen.availHeight;
  }

  return t;
}

function fingerprint_software() {
  t = "";
  isFirst = true;

  if (window.navigator.plugins.length > 0) {
    if (opera) {
      temp = "";
      lastDir = "Plugins"; ;
      for (i = 0; i < window.navigator.plugins.length; i++) {
        plugin = window.navigator.plugins[i];
        if (isFirst == true) {
          temp += stripFullPath(plugin.filename, lastDir);
          isFirst = false;
        } else {
          temp += SEP + stripFullPath(plugin.filename, lastDir);
        }
      }
      t = stripIllegalChars(temp);
    } else {
      for (i = 0; i < window.navigator.plugins.length; i++) {
        plugin = window.navigator.plugins[i];
        if (isFirst == true) {
          t += plugin.filename;
          isFirst = false;
        } else {
          t += SEP + plugin.filename;
        }
      }
    }
  } else if (window.navigator.mimeTypes.length > 0) {
    for (i = 0; i < window.navigator.mimeTypes.length; i++) {
      mimeType = window.navigator.mimeTypes[i];
      if (isFirst == true) {
        t += mimeType.type;
        isFirst = false;
      } else {
        t += SEP + mimeType.type;
      }
    }
  } else if (ie) {
    components = new Array("7790769C-0471-11D2-AF11-00C04FA35D02", "89820200-ECBD-11CF-8B85-00AA005B4340",
			"283807B5-2C60-11D0-A31D-00AA00B92C03", "4F216970-C90C-11D1-B5C7-0000F8051515",
			"44BBA848-CC51-11CF-AAFA-00AA00B6015C", "9381D8F2-0288-11D0-9501-00AA00B911A5",
			"4F216970-C90C-11D1-B5C7-0000F8051515", "5A8D6EE0-3E18-11D0-821E-444553540000",
			"89820200-ECBD-11CF-8B85-00AA005B4383", "08B0E5C0-4FCB-11CF-AAA5-00401C608555",
			"45EA75A0-A269-11D1-B5BF-0000F8051515", "DE5AED00-A4BF-11D1-9948-00C04F98BBC9",
			"22D6F312-B0F6-11D0-94AB-0080C74C7E95", "44BBA842-CC51-11CF-AAFA-00AA00B6015B",
			"3AF36230-A269-11D1-B5BF-0000F8051515", "44BBA840-CC51-11CF-AAFA-00AA00B6015C",
			"CC2A9BA0-3BDD-11D0-821E-444553540000", "08B0E5C0-4FCB-11CF-AAA5-00401C608500",
			"D27CDB6E-AE6D-11CF-96B8-444553540000", "2A202491-F00D-11CF-87CC-0020AFEECF20"
		);
    document.body.addBehavior("#default#clientCaps");
    for (i = 0; i < components.length; i++) {
      ver = activeXDetect(components[i]);
      if (ver) {
        if (isFirst == true) {
          t += ver;
          isFirst = false;
        } else {
          t += SEP + ver;
        }
      } else {
        t += SEP + "null";
      }
    }
  }

  return t;
}

function form_add_data(fd, name, value) {
  if (fd && fd.length > 0) {
    fd += "&";
  } else {
    fd = "";
  }

  fd += name + '=' + escape(value);

  return fd;
}

function form_add_fingerprint(fd, name, value) {
  fd = form_add_data(fd, name + "d", value);

  return fd;
}

function pstfgrpnt(md5) {
  try {
    a = fingerprint_browser();
  } catch (e) {
    a = '';
  }
  try {
    b = fingerprint_display();
  } catch (e) {
    b = '';
  }
  try {
    c = fingerprint_software();
  } catch (e) {
    c = '';
  }
  try {
    d = fingerprint_os();
  } catch (e) {
    d = '';
  }

  if (md5) {
    a = obs(a);
    b = obs(b);
    c = obs(c);
    d = obs(d);
  }

  return new Array(a, b, c, d);
}

function add_fingerprints() {
  t = "fp_browser=" + fingerprint_browser() + "&fp_display=" + fingerprint_display()
		+ "&fp_software=" + fingerprint_software() + "&fb_os=" + fingerprint_os();

  return t;
}