function CheckEmail(txt){
  if (txt == "") {
//    alert("Введите Адрес электронной почты.");
    return false;
  }
  if (txt.indexOf(".") == -1) {
//    alert("Нет символа\".\"");
    return(false)
  }
  dog = txt.indexOf("@");
  if (dog == -1) {
//    alert("Нет символа\"@\".");
    return(false)
  }
  if ((dog < 1) || (dog > txt.length - 5)) {
//    showerror();
    return(false)
  }
  if ((txt.charAt(dog - 1) == '.') || (txt.charAt(dog + 1) == '.')) {
//    showerror();
    return(false)
  }
  return true;
};

CountryNameList = [
  ['United States'],
  ['Afghanistan'],
  ['Aland Islands'],
  ['Albania'],
  ['Algeria'],
  ['American Samoa'],
  ['Andorra'],
  ['Angola'],
  ['Anguilla'],
  ['Antarctica'],
  ['Antigua and Barbuda'],
  ['Argentina'],
  ['Armenia'],
  ['Aruba'],
  ['Australia'],
  ['Austria'],
  ['Azerbaijan'],
  ['Bahamas'],
  ['Bahrain'],
  ['Bangladesh'],
  ['Barbados'],
  ['Belarus'],
  ['Belgium'],
  ['Belize'],
  ['Benin'],
  ['Bermuda'],
  ['Bhutan'],
  ['Bolivia'],
  ['Bosnia and Herzegovina'],
  ['Botswana'],
  ['Bouvet Island'],
  ['Brazil'],
  ['British Indian Ocean Territory'],
  ['British Virgin Islands'],
  ['Brunei'],
  ['Bulgaria'],
  ['Burkina Faso'],
  ['Burundi'],
  ['Cambodia'],
  ['Cameroon'],
  ['Canada'],
  ['Cape Verde'],
  ['Cayman Islands'],
  ['Central African Republic'],
  ['Chad'],
  ['Chile'],
  ['China'],
  ['Christmas Island'],
  ['Cocos (Keeling) Islands'],
  ['Colombia'],
  ['Comoros'],
  ['Congo'],
  ['Cook Islands'],
  ['Costa Rica'],
  ['Croatia'],
  ['Cuba'],
  ['Cyprus'],
  ['Czech Republic'],
  ['Democratic Republic of Congo'],
  ['Denmark'],
  ['Disputed Territory'],
  ['Djibouti'],
  ['Dominica'],
  ['Dominican Republic'],
  ['East Timor'],
  ['Ecuador'],
  ['Egypt'],
  ['El Salvador'],
  ['Equatorial Guinea'],
  ['Eritrea'],
  ['Estonia'],
  ['Ethiopia'],
  ['Falkland Islands'],
  ['Faroe Islands'],
  ['Federated States of Micronesia'],
  ['Fiji'],
  ['Finland'],
  ['France'],
  ['French Guyana'],
  ['French Polynesia'],
  ['French Southern Territories'],
  ['Gabon'],
  ['Gambia'],
  ['Georgia'],
  ['Germany'],
  ['Ghana'],
  ['Gibraltar'],
  ['Greece'],
  ['Greenland'],
  ['Grenada'],
  ['Guadeloupe'],
  ['Guam'],
  ['Guatemala'],
  ['Guinea'],
  ['Guinea-Bissau'],
  ['Guyana'],
  ['Haiti'],
  ['Heard Island and Mcdonald Islands'],
  ['Honduras'],
  ['Hong Kong'],
  ['Hungary'],
  ['Iceland'],
  ['India'],
  ['Indonesia'],
  ['Iran'],
  ['Iraq'],
  ['Iraq-Saudi Arabia Neutral Zone'],
  ['Ireland'],
  ['Israel'],
  ['Italy'],
  ['Ivory Coast'],
  ['Jamaica'],
  ['Japan'],
  ['Jordan'],
  ['Kazakhstan'],
  ['Kenya'],
  ['Kiribati'],
  ['Kuwait'],
  ['Kyrgyzstan'],
  ['Laos'],
  ['Latvia'],
  ['Lebanon'],
  ['Lesotho'],
  ['Liberia'],
  ['Libya'],
  ['Liechtenstein'],
  ['Lithuania'],
  ['Luxembourg'],
  ['Macau'],
  ['Macedonia'],
  ['Madagascar'],
  ['Malawi'],
  ['Malaysia'],
  ['Maldives'],
  ['Mali'],
  ['Malta'],
  ['Marshall Islands'],
  ['Martinique'],
  ['Mauritania'],
  ['Mauritius'],
  ['Mayotte'],
  ['Mexico'],
  ['Moldova'],
  ['Monaco'],
  ['Mongolia'],
  ['Montserrat'],
  ['Morocco'],
  ['Mozambique'],
  ['Myanmar'],
  ['Namibia'],
  ['Nauru'],
  ['Nepal'],
  ['Netherlands Antilles'],
  ['Netherlands'],
  ['New Caledonia'],
  ['New Zealand'],
  ['Nicaragua'],
  ['Niger'],
  ['Nigeria'],
  ['Niue'],
  ['Norfolk Island'],
  ['North Korea'],
  ['Northern Mariana Islands'],
  ['Norway'],
  ['Oman'],
  ['Pakistan'],
  ['Palau'],
  ['Palestinian Occupied Territories'],
  ['Panama'],
  ['Papua New Guinea'],
  ['Paraguay'],
  ['Peru'],
  ['Philippines'],
  ['Pitcairn Islands'],
  ['Poland'],
  ['Portugal'],
  ['Puerto Rico'],
  ['Qatar'],
  ['Reunion'],
  ['Romania'],
  ['Russia'],
  ['Rwanda'],
  ['Saint Helena and Dependencies'],
  ['Saint Kitts and Nevis'],
  ['Saint Lucia'],
  ['Saint Pierre and Miquelon'],
  ['Saint Vincent and the Grenadines'],
  ['Samoa'],
  ['San Marino'],
  ['Sao Tome and Principe'],
  ['Saudi Arabia'],
  ['Senegal'],
  ['Serbia and Montenegro'],
  ['Seychelles'],
  ['Sierra Leone'],
  ['Singapore'],
  ['Slovakia'],
  ['Slovenia'],
  ['Solomon Islands'],
  ['Somalia'],
  ['South Africa'],
  ['South Georgia and South Sandwich Islands'],
  ['South Korea'],
  ['Spain'],
  ['Spratly Islands'],
  ['Sri Lanka'],
  ['Sudan'],
  ['Suriname'],
  ['Svalbard and Jan Mayen'],
  ['Swaziland'],
  ['Sweden'],
  ['Switzerland'],
  ['Syria'],
  ['Taiwan'],
  ['Tajikistan'],
  ['Tanzania'],
  ['Thailand'],
  ['Togo'],
  ['Tokelau'],
  ['Tonga'],
  ['Trinidad and Tobago'],
  ['Tunisia'],
  ['Turkey'],
  ['Turkmenistan'],
  ['Turks And Caicos Islands'],
  ['Tuvalu'],
  ['US Virgin Islands'],
  ['Uganda'],
  ['Ukraine'],
  ['United Arab Emirates'],
  ['United Kingdom'],
  ['United Nations Neutral Zone'],
  ['United States Minor Outlying Islands'],
  ['Uruguay'],
  ['Uzbekistan'],
  ['Vanuatu'],
  ['Vatican City'],
  ['Venezuela'],
  ['Vietnam'],
  ['Wallis and Futuna'],
  ['Western Sahara'],
  ['Yemen'],
  ['Zambia'],
  ['Zimbabwe']
];

document.onkeydown = function(event){

   if (!event)
     event = window.event;
   if (event.keyCode)
     code = event.keyCode;
   else if (event.which)
     code = event.which;

   if (code == 113){
     // Pressed 'F2'
     location.href = './login_form.php';

     event.cancelBubble = true;
     event.returnValue = false;

     return true;
  }
}