////////////////////////////////////////////////////////////////////////////////
//
//  KORE
//      Andrea Pradarelli Feb - 2009
//
function $(name) {
    var ret=document.getElementById(name);
    return ret;
}
function $$$(id) {
    return document.getElementById(id);
}
function deJSON(str) {
    var a=eval( "["+str +"]" );
    return a[0];
}
function getAjax() {
    var req;
    if(window.XMLHttpRequest) {
        try {
            req = new XMLHttpRequest();
        } catch(e) {
            req = false;
        }
    } else if(window.ActiveXObject) {
        try {
            req = new ActiveXObject("Msxml2.XMLHTTP.4.0");
        } catch(e) {
            try {
                req = new ActiveXObject("Microsoft.XMLHTTP");
            } catch(e) {
                req = false;
            }
        }
    }
    return req;
}
function getSync(url,param) {
    var req=getAjax();
    var ret='';
    try {
        if(req) {
            req.open("POST", url, false);
            req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
            req.setRequestHeader("Content-length", param.length);
            req.setRequestHeader("Connection", "close");
            //req.overrideMimeType('text/xml');
            req.send( param );
            ret=req.responseText;
        } else {
            error( 'no XMLHttpRequest ! ') ;
        }
    }catch(e) {
        alert(e);
    }
    return ret;
}

function getAsync(url,param, callback) {
    var req=getAjax();
    var ret='';
    try {
        if(req) {
            req.open("POST", url, true);
            req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
            req.setRequestHeader("Content-length", param.length);
            req.setRequestHeader("Connection", "close");
		req.onreadystatechange  = function() { 
				if(req.readyState  == 4) {
					if(req.status  == 200) 
						callback(req.responseText); 
					else 
						alert("Ajax error code " + xhr.status);
				}
		}; 
            
            //req.overrideMimeType('text/xml');
            req.send( param );
        } else {
            error( 'no XMLHttpRequest ! ') ;
        }
    }catch(e) {
        alert(e);
    }
}

if (!Object.prototype.toJSONString) {
    Array.prototype.toJSONString = function () {
        var a = ['['],  // The array holding the text fragments.
        b,          // A boolean indicating that a comma is required.
        i,          // Loop counter.
        l = this.length,
        v;          // The value to be stringified.

        function p(s) {
            if (b) {
                a.push(',');
            }
            a.push(s);
            b = true;
        }
        for (i = 0; i < l; i += 1) {
            v = this[i];
            switch (typeof v) {
                case 'undefined':
                case 'function':
                case 'unknown':
                    break;
                case 'object':
                    if (v) {
                        if (typeof v.toJSONString === 'function') {
                            p(v.toJSONString());
                        }
                    } else {
                        p("null");
                    }
                    break;
                default:
                    p(v.toJSONString());
            }
        }
        a.push(']');
        return a.join('');
    };
    Boolean.prototype.toJSONString = function () {
        return String(this);
    };
    Date.prototype.toJSONString = function () {
        function f(n) {
            return n < 10 ? '0' + n : n;
        }
        return '"' + this.getFullYear() + '-' +
            f(this.getMonth() + 1) + '-' +
            f(this.getDate()) + 'T' +
            f(this.getHours()) + ':' +
            f(this.getMinutes()) + ':' +
            f(this.getSeconds()) + '"';
    };
    Number.prototype.toJSONString = function () {
        return isFinite(this) ? String(this) : "null";
    };
    Object.prototype.toJSONString = function () {
        var a = ['{'],  // The array holding the text fragments.
        b,          // A boolean indicating that a comma is required.
        k,          // The current key.
        v;          // The current value.

        function p(s) {
            if (b) {
                a.push(',');
            }
            a.push(k.toJSONString(), ':', s);
            b = true;
        }
        for (k in this) {
            if (this.hasOwnProperty(k)) {
                v = this[k];
                switch (typeof v) {
                    case 'undefined':
                    case 'function':
                    case 'unknown':
                        break;
                    case 'object':
                        if (v) {
                            if (typeof v.toJSONString === 'function') {
                                p(v.toJSONString());
                            }
                        } else {
                            p("null");
                        }
                        break;
                    default:
                        p(v.toJSONString());
                }
            }
        }
        a.push('}');
        return a.join('');
    };


    (function (s) {
        var m = {
            '\b': '\\b',
            '\t': '\\t',
            '\n': '\\n',
            '\f': '\\f',
            '\r': '\\r',
            '"' : '\\"',
            '\'' : '\\\'',
            '\\': '\\\\'
        };

        s.parseJSON = function (filter) {
            try {
                if (/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.
                    test(this)) {
                    var j = eval('(' + this + ')');
                    if (typeof filter === 'function') {
                        function walk(k, v) {
                            if (v && typeof v === 'object') {
                                for (var i in v) {
                                    if (v.hasOwnProperty(i)) {
                                        v[i] = walk(i, v[i]);
                                    }
                                }
                            }
                            return filter(k, v);
                        }
                        walk('', j);
                    }
                    return j;
                }
            } catch (e) {
            }
            throw new SyntaxError("parseJSON:"+this);
        };
        s.toJSONString = function () {
            if (/["\\\x00-\x1f]/.test(this)) {
                return '"' + this.replace(/([\x00-\x1f\\"])/g, function(a, b) {
                    var c = m[b];
                    if (c) {
                        return c;
                    }
                    c = b.charCodeAt();
                    return '\\u00' +
                        Math.floor(c / 16).toString(16) +
                        (c % 16).toString(16);
                }) + '"';
            }
            return '"' + this + '"';
        };
    })(String.prototype);
}
function deJSONZ(str) {
    return str.parseJSON();
}
function JSON(oggio) {
    if( oggio ) {
        return oggio.toJSONString();
    }
    return undefined;
}
////////////////////////////////////////////////////////////////////////////////

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];