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

 function encode64(input) {
    input = escape(input);
    var output = "";
    var chr1, chr2, chr3 = "";
    var enc1, enc2, enc3, enc4 = "";
    var i = 0;

    do {
       chr1 = input.charCodeAt(i++);
       chr2 = input.charCodeAt(i++);
       chr3 = input.charCodeAt(i++);

       enc1 = chr1 >> 2;
       enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
       enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
       enc4 = chr3 & 63;

       if (isNaN(chr2)) {
          enc3 = enc4 = 64;
       } else if (isNaN(chr3)) {
          enc4 = 64;
       }

       output = output +
          keyStr.charAt(enc1) +
          keyStr.charAt(enc2) +
          keyStr.charAt(enc3) +
          keyStr.charAt(enc4);
       chr1 = chr2 = chr3 = "";
       enc1 = enc2 = enc3 = enc4 = "";
    } while (i < input.length);

    return output;
 }

 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 unescape(output);
 }

function ord( string ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: Onno Marsman
    // *     example 1: ord('K');
    // *     returns 1: 75
    // *     example 2: ord('\uD800\uDC00'); // surrogate pair to create a single Unicode character
    // *     returns 2: 65536
 
    var str = string + '';
    
    var code = str.charCodeAt(0);
    if (0xD800 <= code && code <= 0xDBFF) { // High surrogate (could change last hex to 0xDB7F to treat high private surrogates as single characters)
        var hi = code;
        if (str.length === 1) {
            return code; // This is just a high surrogate with no following low surrogate, so we return its value;
                                    // we could also throw an error as it is not a complete character, but someone may want to know
        }
        var low = str.charCodeAt(1);
        if (!low) {
            
        }
        return ((hi - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
    }
    if (0xDC00 <= code && code <= 0xDFFF) { // Low surrogate
        return code; // This is just a low surrogate with no preceding high surrogate, so we return its value;
                                // we could also throw an error as it is not a complete character, but someone may want to know
    }
    return code;
}

function ahah(numb, target) {
  document.getElementById('loadbar').style.display = "block";
  document.getElementById('loadbar').innerHTML = '<span class="loading">Loading Page '+numb+'...</span>';
  url = '/guestbook/ajax'+numb+'/';
  if (window.XMLHttpRequest) {
    req = new XMLHttpRequest();
  } else if (window.ActiveXObject) {
    req = new ActiveXObject("Microsoft.XMLHTTP");
  }
  if (req != undefined) {
    req.onreadystatechange = function() {ahahDone(numb, target);};
    req.open("GET", url, true);
    req.send("");
    //SoftScroll.go("guesttop");
  }
}  


function ahahDone(numb, target) {
  if (req.readyState == 4) {
    document.getElementById('loadbar').style.display = "none";
		document.title = "In Loving Memory of Brady Marshal Patterson - Guestbook - Page "+numb;
    if (req.status == 200) {
      document.getElementById(target).innerHTML = req.responseText;
    } else {
      document.getElementById(target).innerHTML=" Error: \n"+ req.status + "\n" +req.statusText;
    }
  }
}

function load(name) {
	ahah(name,'toreplace');
	return false;
}