/*
 * jQuery JSON Plugin
 * version: 1.0 (2008-04-17)
 *
 * This document is licensed as free software under the terms of the
 * MIT License: http://www.opensource.org/licenses/mit-license.php
 *
 * Brantley Harris technically wrote this plugin, but it is based somewhat
 * on the JSON.org website's http://www.json.org/json2.js, which proclaims:
 * "NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.", a sentiment that
 * I uphold.  I really just cleaned it up.
 *
 * It is also based heavily on MochiKit's serializeJSON, which is 
 * copywrited 2005 by Bob Ippolito.
 */
 
(function($) {   
    function toIntegersAtLease(n) 
    // Format integers to have at least two digits.
    {    
        return n < 10 ? '0' + n : n;
    }

    Date.prototype.toJSON = function(date)
    // Yes, it polutes the Date namespace, but we'll allow it here, as
    // it's damned usefull.
    {
        return date.getUTCFullYear()   + '-' +
             toIntegersAtLease(date.getUTCMonth() + 1) + '-' +
             toIntegersAtLease(date.getUTCDate());
    };

    var escapeable = /["\\\x00-\x1f\x7f-\x9f]/g;
    var meta = {    // table of character substitutions
            '\b': '\\b',
            '\t': '\\t',
            '\n': '\\n',
            '\f': '\\f',
            '\r': '\\r',
            '"' : '\\"',
            '\\': '\\\\'
        }
        
    $.quoteString = function(string)
    // Places quotes around a string, inteligently.
    // If the string contains no control characters, no quote characters, and no
    // backslash characters, then we can safely slap some quotes around it.
    // Otherwise we must also replace the offending characters with safe escape
    // sequences.
    {
        if (escapeable.test(string))
        {
            return '"' + string.replace(escapeable, function (a) 
            {
                var c = meta[a];
                if (typeof c === 'string') {
                    return c;
                }
                c = a.charCodeAt();
                return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16);
            }) + '"'
        }
        return '"' + string + '"';
    }
    
    $.toJSON = function(o)
    {
        var type = typeof(o);
        
        if (type == "undefined")
            return "undefined";
        else if (type == "number" || type == "boolean")
            return o + "";
        else if (o === null)
            return "null";
        
        // Is it a string?
        if (type == "string") 
        {
            return $.quoteString(o);
        }
        
        // Does it have a .toJSON function?
        if (type == "object" && typeof o.toJSON == "function") 
            return o.toJSON();
        
        // Is it an array?
        if (type != "function" && typeof(o.length) == "number") 
        {
            var ret = [];
            for (var i = 0; i < o.length; i++) {
                ret.push( $.toJSON(o[i]) );
            }
            return "[" + ret.join(", ") + "]";
        }
        
        // If it's a function, we have to warn somebody!
        if (type == "function") {
            throw new TypeError("Unable to convert object of type 'function' to json.");
        }
        
        // It's probably an object, then.
        ret = [];
        for (var k in o) {
            var name;
            var type = typeof(k);
            
            if (type == "number")
                name = '"' + k + '"';
            else if (type == "string")
                name = $.quoteString(k);
            else
                continue;  //skip non-string or number keys
            
            val = $.toJSON(o[k]);
            if (typeof(val) != "string") {
                // skip non-serializable values
                continue;
            }
            
            ret.push(name + ": " + val);
        }
        return "{" + ret.join(", ") + "}";
    }
    
    $.evalJSON = function(src)
    // Evals JSON that we know to be safe.
    {
        return eval("(" + src + ")");
    }
    
    $.secureEvalJSON = function(src)
    // Evals JSON in a way that is *more* secure.
    {
        var filtered = src;
        filtered = filtered.replace(/\\["\\\/bfnrtu]/g, '@');
        filtered = filtered.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']');
        filtered = filtered.replace(/(?:^|:|,)(?:\s*\[)+/g, '');
        
        if (/^[\],:{}\s]*$/.test(filtered))
            return eval("(" + src + ")");
        else
            throw new SyntaxError("Error parsing JSON, source is not valid.");
    }
})(jQuery);

function sendRequest(url, param)
{
    url = url ? url : window.location.href;
    url = url.replace(/(#.*)/, '');

    params = {params: "undefined" != param ? toQueryString(param) : "", ajax: 1};
    $(document).ready(function(){
        $.post(url, params,
        parseResponse, 'JSON');
    });
}

function toQueryString(object)
{
    var key, chk = 0, ret = '';
    for(key in object) {
        var values = encodeURIComponent(object[key]);
        if(chk) ret += '&';
        ret += key+'='+values;
        chk = 1;
    }
    return ret;
}

function parseResponse(transport, json)
{
    response = $.evalJSON(transport);

    if(response.div_arr) {
        for(ii in response.div_arr) {
            if(ii==parseInt(ii)) {
                var div_id = document.getElementById(response.div_arr[ii]['id']);
                div_id.innerHTML = response.div_arr[ii]['content'];
                if(response.div_arr[ii]['content']!='') {
                    div_id.style.display = 'block';
                    div_id.type = 1;
                }
            }
        }
    }
    if(response.div_id)
    {
        document.getElementById(response.div_id).innerHTML = response.div_content;
        //$(response.div_id).style.display = 'block';
    }
    if(response.js_code)
    {
        //alert(response.js_code);
        try{eval(response.js_code);}
        catch(err)
        {
            //alert("Inline script error " + err.name + ": " + err.message + "|"+err.line);
        }
    }
}