function Set_Cookie( name, value, expires, path, domain, secure ) {
 var today = new Date();
 today.setTime( today.getTime() );
 if ( expires ) {
  expires = expires * 1000 * 60 * 60 * 24;
 }
 var expires_date = new Date( today.getTime() + (expires) );
 document.cookie = name + "=" +escape( value ) + ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + ( ( path ) ? ";path=" + path : "" ) + ( ( domain ) ? ";domain=" + domain : "" ) + ( ( secure ) ? ";secure" : "" );
}

function Get_Cookie( check_name ) {
 var a_all_cookies = document.cookie.split( ';' );
 var a_temp_cookie = '';
 var cookie_name = '';
 var cookie_value = '';
 var b_cookie_found = false; // set boolean t/f default f
 for ( i = 0; i < a_all_cookies.length; i++ ) {
  a_temp_cookie = a_all_cookies[i].split( '=' );
  cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
  if ( cookie_name == check_name ) {
   b_cookie_found = true;
   if ( a_temp_cookie.length > 1 ) {
    cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
   }
   return cookie_value;
   break;
  }
  a_temp_cookie = null;
  cookie_name = '';
 }
 if ( !b_cookie_found ) {
  return null;
 }
}

if(!Get_Cookie("lang")) {
 if(navigator.language=="ru" || navigator.browserLanguage=="ru" || navigator.language=="uk" || navigator.browserLanguage=="uk") {
  Set_Cookie("lang", "ru", 0, '/', 0, 0);
 } else {
  Set_Cookie("lang", "en", 0, '/', 0, 0);
 }
}
if(Get_Cookie("lang")=="ru") {
 //changecss(".e","display","none");
 document.write("<style type='text/css'><!-- .e {display: none;} --></style>");
} else if(Get_Cookie("lang")=="en") {
 //changecss(".r","display","none");
 document.write("<style type='text/css'><!-- .r {display: none;} --></style>");
}