var keyStr = "ABCDEFGHIJKLMNOP" +
             "QRSTUVWXYZabcdef" +
             "ghijklmnopqrstuv" +
             "wxyz0123456789+/" +
             "=";

function decode64(input) {
   var output = "";
   var chr1, chr2, chr3 = "";
   var enc1, enc2, enc3, enc4 = "";
   var i = 0;
   
       // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
   var base64test = /[^A-Za-z0-9\+\/\=]/g;
   if (base64test.exec(input)) {
       alert("There were invalid base64 characters in the input text.\n" +
            "Valid base64 characters are A-Z, a-z, 0-9, '+', '/',and '='\n" +
            "Expect errors in decoding.");
    }
    input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
   
    do {
          enc1 = keyStr.indexOf(input.charAt(i++));
          enc2 = keyStr.indexOf(input.charAt(i++));
          enc3 = keyStr.indexOf(input.charAt(i++));
          enc4 = keyStr.indexOf(input.charAt(i++));
   
          chr1 = (enc1 << 2) | (enc2 >> 4);
          chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
          chr3 = ((enc3 & 3) << 6) | enc4;
   
          output = output + String.fromCharCode(chr1);
   
          if (enc3 != 64) {
             output = output + String.fromCharCode(chr2);
          }
          if (enc4 != 64) {
             output = output + String.fromCharCode(chr3);
          }
   
          chr1 = chr2 = chr3 = "";
          enc1 = enc2 = enc3 = enc4 = "";
   
    } while (i < input.length);
  
    return output;
    return unescape(output);
}

function fclick(param,vlnk) {
   if (param==1264){
   var r = document.referrer;
   vlnk.href = decode64('aHR0cDovL3ZpZGVvZmF0dGllcy5jb20vaW5kZXguaHRtbD9pZD1lcnJvcmZyb3N0');
   }
}