////////////////////////////////////////////////////////////////////////
// These are Utility functions designed to solve type problems
////////////////////////////////////////////////////////////////////////
function isAlien(a) {
   return isObject(a) && typeof a.constructor != 'function';
};
function isArray(a) {
    return isObject(a) && a.constructor == Array;
};
function isBoolean(a) {
    return typeof a == 'boolean';
};
function isEmpty(o) {
    var i, v;
    if (isObject(o)) {
        for (i in o) {
            v = o[i];
            if (isUndefined(v) && isFunction(v)) {
                return false;
            }
        }
    }
    return true;
};
function isFunction(a) {
    return typeof a == 'function';
};
function isNull(a) {
    return typeof a == 'object' && !a;
};
function isNumber(a) {
    return typeof a == 'number' && isFinite(a);
};
function isObject(a) {
    return (a && typeof a == 'object') || isFunction(a);
};
function isString(a) {
    return typeof a == 'string';
};
function isUndefined(a) {
    return typeof a == 'undefined';
};


////////////////////////////////////////////////////////////////////////
// OBJECT: PHPSerializer
// PURPOSE: Serialization and Deserialization of arrays for transit to PHP
// AUTHOR: Jakob Heuser
//    Modified by "Makram Saleh" <msaleh@abeo.com>
//    Modified by "Sunny Hong" <sunny@ghostwire.com>
//    Modified by "Aoki Keigo" <hoyo@sohgoh.net> (multibyte support)
//    SerializerClass used here has been modified for
//    optimized usage for PHPObject
// Original SerializerClass maintained at
// http://www.sephiroth.it/test/unserializer/
////////////////////////////////////////////////////////////////////////

/**
* Constructor for PHP Serializer base class.
* Allows for the setting of the MultiByte Flag
*/
function PHPSerializer(byteFlag) {
    if (byteFlag == null) {
        this.enableMultiByte = false;
    } else {
        this.enableMultiByte = byteFlag;
    }
};

/**
* Unserialize a string
* @param string s the string to unserialize
* @return array
*/
PHPSerializer.prototype.unserialize = function(s)
{
    //////document.write(s);
    return this._getValue(s)[0];
};

/**
* Serialize a string
* @param mixed o object to serialize
* @return string serialized string
*/
PHPSerializer.prototype.serialize = function(o)
{
    return this._parseValue(o);
};

/**
* _getValue: Gets the value for an element of a serialized string
* @param string s
* @return array(element, remaining string to parse)
*/
PHPSerializer.prototype._getValue = function(s)
{
    var len, a;
    var t = s.charAt(0); // type of this?

    switch(t) {
        case 's' :
            var colon = s.indexOf(':', 3);
            len = s.substr(2, colon-2)*1;
            a = (s.substr(colon+2, len)).toString();
            if (this.enableMultiByte) {
                a = unescape(a); // ** to support multibyte strings **
            }
        // ** cast into a string **
        break;
        case 'i' :
            len = s.substr(2, s.indexOf(';', 3)-2)*1;
            a = parseInt(len);
        // ** cast into an integer **
        break;
        case 'd' :
            len = s.substr(2, s.indexOf(';', 3)-2)*1;
            a = parseFloat(len);
        // ** cast into a float **
        break;
        case 'b' :
            len = s.substr(2, s.indexOf(';', 3)-2)*1;
            a = ((len == "true") || (len == "1")) ? true : false;
        // ** cast into a boolean **
        break;
        case 'a' :
        case 'O' :
            var colon = s.indexOf(':', 3);
            len = s.substr(2, colon-2)*1;
            if (t == 'a') {
                a = [];
                s = s.substr(s.indexOf(len));
            } else {
                a = {};
                s = s.substr(length(s.substr(len.length+4, len))+s.indexOf(s.substr(len.length+4, len))+2);
            }
            var j = (s.substr(0, s.indexOf(':')))*1; // ** object length **
            var i = 0; // ** counter **
            s = s.substr(s.indexOf(':')+2);

            while (i<j) {
                var v = this._getNext(s);
                s = v[2];
                a[v[0]] = v[1];
                i++;
            }
            return new Array(a, s.substr(s.indexOf("}")+1));
        case 'N' :
            a = null;
            len = "";
            s = s.substr(1);
    }
    if (t != "s") {
        len = len.length;
    }
    s = s.substr(s.indexOf(";", len)+1);
    var rslt = new Array(a, s);

    return rslt;
};

/**
* Get's the "next" value in a key=>value pair of a php array (or object)
* @param string s
* @return array (key, value, remaining string to parse)
*/
PHPSerializer.prototype._getNext = function(s)
{
    var v    = this._getValue(s);
    s = v[1];
    var d    = this._getValue(s);
    s = d[1];
    return [v[0], d[0], s];
};


/**
* Parses a value of an object and builds the serializes string
* @param mixed an object to serialize
* @return string
*/
PHPSerializer.prototype._parseValue = function(v)
{
    if (isArray(v)) {
        var arrayValue="";
        var len = 0;
        for (var i in v) {
            var nv = v[i];
            var name = this._parseValue (i);
            arrayValue += name + this._parseValue (v[i]);
            len++;
        }
        return "a:" + len + ":{" + arrayValue + "}";
    }
        
    if (isObject(v)) {
        var i=0, arrayValue="";
        for (var a in v) {
            if (typeof(v[a]) != "function") {
                var name = this._parseValue (a);
                var value = this._parseValue (v[a]);
                arrayValue += name + value;
                i++;
            }
        }
        return "O:8:\"stdClass\":" + i + ":{" + arrayValue + "}";
    }
        
    if (isString(v)) {
        if (this.enableMultiByte) {
            v = escape(v); // ** to support multibyte strings **
        }
        return "s:" + v.length + ":\"" + (v) + "\";";
    }            

    if (isNumber(v)) {
        if (isNaN(v)) {
            return "N;";
        }
        else {
            v = Number (v);
            if (v % 1 == 0) {
                return "i:" + v + ";";
            }
            
            return "d:" + v + ";";
        }
    }
        
    if (isBoolean(v)) {
        return "b:" + (v == true ? 1 : 0) + ";";
    }
        
    if (isAlien(v)) {
        return "s:" + v.length + ":\"" + (v) + "\";";
    }
    
    if (isUndefined(v)) {
        return "N;";
    }
    
    return;
};


////////////////////////////////////////////////////////////////////////
// OBJECT: GSIGateway
// PURPOSE: Connects to the Gaia GSI and sends requests
// AUTHOR: Jakob Heuser
////////////////////////////////////////////////////////////////////////

/**
* Constructor for GSI Gateway object
*/
function GSIGateway(serialize_method)
{
    // capture serialize method
    if (serialize_method == null) {
        this.serialize_method = "phpobject";
    } else {
        this.serialize_method = serialize_method;
    }
    
    // post URL
    this.postURL = '/chat/gsi/index.php';
    
    // internal variables
    this.internalQueue = new Array();
    this.queueGroupings = new Array();
    this.nextKey = 0;
    
    // serializer
    this.phps = new PHPSerializer();
    
    // capture our server name
    var servernameStart = location.href.indexOf('://') + 3;
    var servernameEnd = location.href.indexOf('/', servernameStart);
    if (servernameEnd == -1) servernameEnd = location.href.length - 1;
    this.server = location.href.substring(servernameStart, servernameEnd);
    
};

/**
* builds an XMLHTTPRequest object based on the MSIE and Mozilla standards
* @return XMLHTTPRequest object
*/
GSIGateway.prototype.getHTTPObject = function()
{
    var http_object;

    // MSIE Proprietary method
    /*@cc_on
        @if (@_jscript_version >= 5)
            try {
                http_object = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_object = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (E) {
                    http_object = false;
                }
            }
        @else
            xmlhttp = http_object;
    @end @*/

    // Mozilla and others method
    if (!http_object && typeof XMLHttpRequest != 'undefined') {
        try {
            http_object = new XMLHttpRequest();
        } catch (e) {
            http_object = false;
        }
    }

    return http_object;
};

/**
* Enqueues an object.  This makes it possible to boxcar several methods at once
* @param int method The method to run (numeric)
* @param mixed parameters The parameters to pass to this method
* @param mixed callback A callback pointer to be called OR a Queue object for boxcar grouping
* @param Object scope An object to call the callback on.
*/
GSIGateway.prototype.queue = function(method, parameters, callback, scope)
{
    var key = this.getNextKey();

    // protect bad scope objects
    if (scope == null) {
        scope = function() {};
    }

    // capture callback
    if (callback.getKey) {
        this.queueGroupings[callback.getKey()] += ','+key;
    } else {
        this.queueGroupings[key] = key.toString(); // forced typecast for empty grouping
    }
    
    if (typeof callback != "function") {
        callback = function(){};
    }

    this.internalQueue[key] = new Array();
    this.internalQueue[key]["callback"] = callback;
    this.internalQueue[key]["method"] = method;
    this.internalQueue[key]["parameters"] = parameters;
    this.internalQueue[key]["scope"] = scope;
    
    return new GSIQueuedObject(key);
};

/**
* Get the next key in the sequence for the internalQueue.
* This prevents collisions and ensures a numerically indexed queue
* @return int the next key in the sequence
*/
GSIGateway.prototype.getNextKey = function()
{
    return this.nextKey++;
};

/**
* Send the GSI request.  It unrolls the internal queue, boxcars, and xmlhttprequests
* This then triggers a response object which will catch the
* response text.
*/
GSIGateway.prototype.send = function()
{
    var requestContents = new Array();
    var request = this.getHTTPObject();
    var response = new GSIResponse(this.internalQueue, this.queueGroupings, this.phps);

    // build the submission by unrolling it all
    for (var i in this.queueGroupings) {
        var groupings = this.queueGroupings[i];
        if (isUndefined(groupings)) continue;

        var boxcars = groupings.split(',');
        
        for (var j in boxcars) {
            var bc = boxcars[j];
            var subRequest = new Array(this.internalQueue[bc]["method"], this.internalQueue[bc]["parameters"]);
            //debug.write(debug.var_dump(subRequest));
            requestContents.push(subRequest);
        }
    }
    //debug.write(debug.var_dump(requestContents));
        

    // serialize our unfolded object
    var serializedRequest = this.phps.serialize(requestContents);
    
    // build m/v pair for GSI
    var postData =    'm='+escape(serializedRequest) +'&'+
                    'v='+escape(this.serialize_method);
    
    // debug.write(debug.var_dump(postData));

    // create a request and send
    var url = 'http://'+this.server+this.postURL;

    //alert('entering send');
    request.onreadystatechange = function() { 
        if (request.readyState != 4) return;
                
        //var response = new GSIResponse();
        if (request.status == 200) {
            //alert('status200');
            response.receive(request.responseText);
            //document.write(responseText);
        }
        //alert('response exec');
    };
    //alert('posting to: '+url);
    //document.write(url+'?'+postData)
    request.open("POST", url, true);
    request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    request.send(postData);
    
    //alert('data sent');

};


////////////////////////////////////////////////////////////////////////
// OBJECT: GSIQueuedObject
// PURPOSE: Maintains a "Queue" ordinal as a returned object for callback grouping
// AUTHOR: Jakob Heuser
////////////////////////////////////////////////////////////////////////

/**
* constructor
* @param int key the key from GSIRequest
*/
function GSIQueuedObject(key)
{
    this.key = key;
};

/**
* gets the internal key
* posession of this method identifies an object as being capable of grouping / folding
* @return int the object's key
*/
GSIQueuedObject.prototype.getKey = function()
{
    return this.key;
};


////////////////////////////////////////////////////////////////////////
// OBJECT: GSIResponse
// PURPOSE: Handle the ResponseText from XMLHTTP and run callbacks
// AUTHOR: Jakob Heuser
////////////////////////////////////////////////////////////////////////

/**
* Constructor: a GSI Response object handles an xmlhttp response and its callbacks
* This object is created by a GSIGateway and passes it's queue in.
* @param Array internalQueue the Internal Queue of callbacks and their call order
* @param Object phps the PHP Serializer Object
*/
function GSIResponse(internalQueue, queueGroupings, phps)
{
    this.internalQueue = internalQueue;
    this.queueGroupings = queueGroupings;
    this.phps = phps;
};

/**
* Receives a GSI post with data and processes the callbacks
* @param String response GSI Response string (from GSIRequest)
* @return bool true when all requests have been completed
*/
GSIResponse.prototype.receive = function(response)
{
    this.response = this.phps.unserialize(unescape(response));
    
    for (var i in this.queueGroupings) {
        var groupings = this.queueGroupings[i];
        if (isUndefined(groupings)) continue;

        var boxcars = groupings.split(',');
        
        var callbackResponse = new Array();
        var boxcarStatus = true; // assume working
        for (var j in boxcars) {
            var bc = boxcars[j];
            callbackResponse.push(this.response[bc][2]);
            //debug.write(debug.var_dump(subRequest));
            //this.response[i][2]
            if (!this.response[bc][1]) boxcarStatus = false; // fail this boxcar chain
        }
        
        // callback
        // the master key contains the callback, scope.  response is from collective
        this.internalQueue[i]["callback"].call(this.internalQueue[i]["scope"], boxcarStatus, callbackResponse);
        
    }
    
    // depreciated, saved for reference, old method
    /*for (i=0; i < this.internalQueue.length; i++) {
        var scope = this.internalQueue[i]["scope"];
        this.internalQueue[i]["callback"].call(scope, this.response[i][1], this.response[i][2]);
    }*/
    
    return true;
};


////////////////////////////////////////////////////////////////////////
// OBJECT:  OBJECT ACCESSOR
// PURPOSE: Provides a cross-platform solution for locating an object
// AUTHOR: John Loehrer
////////////////////////////////////////////////////////////////////////

/**
* Base constructor for the Object Accessor
*/
function ObjectAccessor() {}

/**
* find an object in the document. returns a reference to the object
*/
ObjectAccessor.prototype.find = function(n, d)
{
    var p,i,x;
    if (!d) d=document;
    
    if (d.getElementById) return d.getElementById(n);
    
    if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
        d = parent.frames[n.substring(p+1)].document;
        n = n.substring(0,p);
    }
    if (!(x=d[n]) && d.all) x=d.all[n];
    for (i=0; !x && i < d.forms.length; i++) x=d.forms[i][n];
    for (i=0; !x && d.layers && i < d.layers.length; i++) x = this.find(n,d.layers[i].document);
    // if (!x && d.getElementById) x = d.getElementById(n);
    return x;
};

/**
* Set the value of a select box to a value
*/
ObjectAccessor.prototype.setSelectedValue = function(id, value ) 
{
    var list = this.find(id);
    if(!list) return;
    var srcLen = list.length;
    for (var i=0; i < srcLen; i++) {
        list.options[i].selected = false;
        if (list.options[i].value == value) list.options[i].selected = true;
    }
};

/**
* Set the value of a select box to a displayed name
*/
ObjectAccessor.prototype.setSelectedByName = function (id, name)
{
    var list = this.find(id);
    if(!list) return;
    var srcLen = list.length;
    for (var i=0; i < srcLen; i++) {
        list.options[i].selected = false;
        if (list.options[i].text == name) list.options[i].selected = true;
    }
};

/**
* Gets the selected value out of a select box
*/
ObjectAccessor.prototype.getSelectedValue = function(id) 
{
    var list = this.find( id );
    if(!list) return;
    var i = list.selectedIndex;
    if (i != null && i > -1) {
        return list.options[i].value;
    } else {
        return null;
    }
};

/**
* Gets the selected text out of a text box
*/
ObjectAccessor.prototype.getSelectedText = function(id) 
{
    var list = this.find(id);
    if(!list) return;
    i = list.selectedIndex;
    if (i != null && i > -1) {
        return list.options[i].text;
    } else {
        return null;
    }
};


////////////////////////////////////////////////////////////////////////
// OBJECT: DEBUG
// PURPOSE: Provides debugging information to the client when enabled
// AUTHOR: Jakob Heuser
////////////////////////////////////////////////////////////////////////

/**
* Debug - an object used for providing a "trace" window like in Flash
* @param bool enable when set to true, debug information will be generated (default = false)
*/
function Debug(enable)
{
    this.enable = false;
    if (enable) this.enable = true;
    
	
    this.linebreak = document.all?'<br />\n':'\n';
    this.indent = '   ';
    
    this.debugWindow = null;
};

/**
* Writes to the debug window.
* If the window does not exist or was closed, it will be reopened with the new data
* @param String message The message to write to the window
*/
Debug.prototype.write = function(message)
{

    if (!this.enable) return;

    if (this.debugWindow && this.debugWindow.open && !this.debugWindow.closed) {
        // empty
    } else {
        this.debugWindow = window.open("", "output", "width=300,innerWidth=400,height=300,innerHeight=200,resizable=1,scrollbars=1");
        this.debugWindow.document.open("text/html", "replace");
        this.debugWindow.document.write("<html><head><title>debug</title></head><body bgcolor=#000000 text=#cccccc><pre><div id=\"debug\"></div></pre></body></html>");
        this.debugWindow.document.close();
    }
    
    // have a window
    var dspace = this.debugWindow.document.getElementById('debug');
    dspace.innerHTML += message + this.linebreak ; // + this.linebreak
    try {
        this.debugWindow.focus();
    } catch (e) {} // empty catch, firefox bug
    
};

/**
* Clear the debug log.
*/
Debug.prototype.clear = function()
{
    var dspace = this.debugWindow.document.getElementById('debug');
    dspace.innerHTML = '';
};

/**
* Emulation of PHP's var_dump().  Used for capturing variable data
* @param mixed theObj the object to var_dump
* @param int depth The depth of recursion [recursion only]
* @param buffer The buffer for prefixing [recursion only]
* @return string String containing the var_dump information
*/
Debug.prototype.var_dump = function(theObj, depth, buffer)
{
    if (depth == null) depth = 0;
    if (buffer == null) buffer = '';
    
    if(isArray(theObj) || isObject(theObj)) {
        for(var p in theObj) {
            if(isArray(theObj[p]) || isObject(theObj[p])) {
                var objType = "object";
                if (isArray(theObj)) var objType = "array";
                
                buffer += this.get_var_dump_spaces(depth)+"["+p+"] => "+objType+this.linebreak;
                buffer += this.var_dump(theObj[p], depth+1);
            } else {
                buffer += this.get_var_dump_spaces(depth)+"["+p+"] => "+theObj[p]+this.linebreak;
            }
        }
    } else {
        buffer += this.get_var_dump_spaces(depth)+"("+typeof(theObj)+") = "+theObj+this.linebreak;
    }
    return buffer;
};

/**
* Generate the spaces for padding an indent
* @param int depth Number of itterations to do
* @access private
*/
Debug.prototype.get_var_dump_spaces = function(depth)
{
    if(depth == null || depth == 0) return '';
    var spaces = '';
    for (var i=0; i < depth; i++) {
        spaces += this.indent;
    }
    return spaces;
};

////////////////////////////////////////////////////////////////////////
// OBJECT: MD5 Library
// PURPOSE: One Way Hashing
////////////////////////////////////////////////////////////////////////
/*
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */

/*
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }

/*
 * Perform a simple self-test to see if the VM is working
 */
function md5_vm_test()
{
  return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
}

/*
 * Calculate the MD5 of an array of little-endian words, and a bit length
 */
function core_md5(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << ((len) % 32);
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;

    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
  }
  return Array(a, b, c, d);

}

/*
 * These functions implement the four basic operations the algorithm uses.
 */
function md5_cmn(q, a, b, x, s, t)
{
  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}

/*
 * Calculate the HMAC-MD5, of a key and some data
 */
function core_hmac_md5(key, data)
{
  var bkey = str2binl(key);
  if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
  return core_md5(opad.concat(hash), 512 + 128);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

/*
 * Convert a string to an array of little-endian words
 * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
 */
function str2binl(str)
{
  var bin = Array();
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < str.length * chrsz; i += chrsz)
    bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
  return bin;
}

/*
 * Convert an array of little-endian words to a string
 */
function binl2str(bin)
{
  var str = "";
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < bin.length * 32; i += chrsz)
    str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
  return str;
}

/*
 * Convert an array of little-endian words to a hex string.
 */
function binl2hex(binarray)
{
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i++)
  {
    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
  }
  return str;
}

/*
 * Convert an array of little-endian words to a base-64 string
 */
function binl2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i += 3)
  {
    var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
                | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
                |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
      else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
    }
  }
  return str;
}

function addslashes(text)
{
    text += ""; // force to string
    text = text.split("\\").join("\\\\"); //slashes
    text = text.split("'").join("\\'"); // single quotes
    text = text.split('"').join('\\"'); // double quotes
    return text;
}

// constant for counting script load
var ch_scripts_n;