function Ajax(handler) {
    var _handlerURL = handler;
    this.call = function(parms, callBackFunction){
    var ajax = new CallHandler(_handlerURL);                
        if (typeof parms != 'object'){
            ajax.add("parms", parms);
        }else{
            if (parms != null){
                for(prop in parms){
                    ajax.add(prop, parms[prop]);
                }
            }
        }
        ajax.execute(callBackFunction);
    }
    var CallHandler = function(url) {
        this.url = url;
        this.parameters = "";
        this.add = function(name, value) {
            if (this.parameters.length > 0) {
                this.parameters = this.parameters + "&";
            }
            this.parameters = this.parameters + name + "=" + escape(value);
        }
        this.execute = function(callback) {
            var request = createRequest();
            request.open("POST", this.url, true);
            request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
            request.onreadystatechange = function() {
                if (request.readyState == 4) {
                    if (callback) {
                        callback(JSON.parse(request.responseText));
                    }
                }
            }
            request.send(this.parameters);
        }
    }
	var createRequest = function() {
	    try { return new XMLHttpRequest(); } catch (e) { }
	    try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { }
	    try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) { }
	    return false;
	}
}
if (!this.JSON) {
    this.JSON = {};
}

(function() {

    function f(n) {
        return n < 10 ? '0' + n : n;
    }

    if (typeof Date.prototype.toJSON !== 'function') {

        Date.prototype.toJSON = function(key) {

            return isFinite(this.valueOf()) ?
                   this.getUTCFullYear() + '-' +
                 f(this.getUTCMonth() + 1) + '-' +
                 f(this.getUTCDate()) + 'T' +
                 f(this.getUTCHours()) + ':' +
                 f(this.getUTCMinutes()) + ':' +
                 f(this.getUTCSeconds()) + 'Z' : null;
        };

        String.prototype.toJSON =
        Number.prototype.toJSON =
        Boolean.prototype.toJSON = function(key) {
            return this.valueOf();
        };
    }

    var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
        escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
        gap,
        indent,
        meta = {    // table of character substitutions
            '\b': '\\b',
            '\t': '\\t',
            '\n': '\\n',
            '\f': '\\f',
            '\r': '\\r',
            '"': '\\"',
            '\\': '\\\\'
        },
        rep;


    function quote(string) {
        escapable.lastIndex = 0;
        return escapable.test(string) ?
            '"' + string.replace(escapable, function(a) {
                var c = meta[a];
                return typeof c === 'string' ? c :
                    '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
            }) + '"' :
            '"' + string + '"';
    }


    function str(key, holder) {
        var i,          // The loop counter.
            k,          // The member key.
            v,          // The member value.
            length,
            mind = gap,
            partial,
            value = holder[key];
        if (value && typeof value === 'object' &&
                typeof value.toJSON === 'function') {
            value = value.toJSON(key);
        }
        if (typeof rep === 'function') {
            value = rep.call(holder, key, value);
        }
        switch (typeof value) {
            case 'string':
                return quote(value);
            case 'number':
                return isFinite(value) ? String(value) : 'null';
            case 'boolean':
            case 'null':
                return String(value);
            case 'object':
                if (!value) {
                    return 'null';
                }
                gap += indent;
                partial = [];


                if (Object.prototype.toString.apply(value) === '[object Array]') {
                    length = value.length;
                    for (i = 0; i < length; i += 1) {
                        partial[i] = str(i, value) || 'null';
                    }

                    v = partial.length === 0 ? '[]' :
                    gap ? '[\n' + gap +
                            partial.join(',\n' + gap) + '\n' +
                                mind + ']' :
                          '[' + partial.join(',') + ']';
                    gap = mind;
                    return v;
                }
                if (rep && typeof rep === 'object') {
                    length = rep.length;
                    for (i = 0; i < length; i += 1) {
                        k = rep[i];
                        if (typeof k === 'string') {
                            v = str(k, value);
                            if (v) {
                                partial.push(quote(k) + (gap ? ': ' : ':') + v);
                            }
                        }
                    }
                } else {
                    for (k in value) {
                        if (Object.hasOwnProperty.call(value, k)) {
                            v = str(k, value);
                            if (v) {
                                partial.push(quote(k) + (gap ? ': ' : ':') + v);
                            }
                        }
                    }
                }

                v = partial.length === 0 ? '{}' :
                gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' +
                        mind + '}' : '{' + partial.join(',') + '}';
                gap = mind;
                return v;
        }
    }

    if (typeof JSON.stringify !== 'function') {
        JSON.stringify = function(value, replacer, space) {

            var i;
            gap = '';
            indent = '';

            if (typeof space === 'number') {
                for (i = 0; i < space; i += 1) {
                    indent += ' ';
                }
            } else if (typeof space === 'string') {
                indent = space;
            }

            rep = replacer;
            if (replacer && typeof replacer !== 'function' &&
                    (typeof replacer !== 'object' ||
                     typeof replacer.length !== 'number')) {
                throw new Error('JSON.stringify');
            }

            return str('', { '': value });
        };
    }
    if (typeof JSON.parse !== 'function') {
        JSON.parse = function(text, reviver) {
        
            var j;

            function walk(holder, key) {

                var k, v, value = holder[key];
                if (value && typeof value === 'object') {
                    for (k in value) {
                        if (Object.hasOwnProperty.call(value, k)) {
                            v = walk(value, k);
                            if (v !== undefined) {
                                value[k] = v;
                            } else {
                                delete value[k];
                            }
                        }
                    }
                }
                return reviver.call(holder, key, value);
            }

            text = String(text);
            cx.lastIndex = 0;
            if (cx.test(text)) {
                text = text.replace(cx, function(a) {
                    return '\\u' +
                        ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
                });
            }

            if (/^[\],:{}\s]*$/.
test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').
replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {

                j = eval('(' + text + ')');

                return typeof reviver === 'function' ?
                    walk({ '': j }, '') : j;
            }
            throw new SyntaxError('JSON.parse');
        };
    }
} ());