/* phpserializer.js - JavaScript to PHP serialize / unserialize class. 
*  
* This class is designed to convert php variables to javascript 
* and javascript variables to php with a php serialize unserialize 
* compatible way. 
* 
* Copyright (C) 2006 Ma Bingyao <andot@ujn.edu.cn> 
* Version: 3.0c 
* LastModified: Jun 2, 2006 
* This library is free.  You can redistribute it and/or modify it. 
* http://www.coolcode.cn/?p=171
* 
*2011-01-05 likefei edit without encoding
*ser_string()
*unser_string()
*
*gbk encoding
*不同的编码中文的长度不同，需要调整一下函数
*chkLength(strTemp)
*/ 
  
function serialize(o) { 
    var p = 0, sb = [], ht = [], hv = 1; 
    function classname(o) { 
        if (typeof(o) == "undefined" || typeof(o.constructor) == "undefined") return ''; 
        var c = o.constructor.toString(); 
        c = utf16to8(c.substr(0, c.indexOf('(')).replace(/(^\s*function\s*)|(\s*$)/ig, '')); 
        return ((c == '') ? 'Object' : c); 
    } 
    function is_int(n) { 
        var s = n.toString(), l = s.length; 
        if (l > 11) return false; 
        for (var i = (s.charAt(0) == '-') ? 1 : 0; i < l; i++) { 
            switch (s.charAt(i)) { 
                case '0': 
                case '1': 
                case '2': 
                case '3': 
                case '4': 
                case '5': 
                case '6': 
                case '7': 
                case '8': 
                case '9': break; 
                default : return false; 
            } 
        } 
        return !(n < -2147483648 || n > 2147483647); 
    } 
    function in_ht(o) { 
        for (k in ht) if (ht[k] === o) return k; 
        return false; 
    } 
    function ser_null() { 
        sb[p++] = 'N;'; 
    } 
    function ser_boolean(b) { 
        sb[p++] = (b ? 'b:1;' : 'b:0;'); 
    } 
    function ser_integer(i) { 
        sb[p++] = 'i:' + i + ';'; 
    } 
    function ser_double(d) { 
        if (d == Number.POSITIVE_INFINITY) d = 'INF'; 
        else if (d == Number.NEGATIVE_INFINITY) d = '-INF'; 
        sb[p++] = 'd:' + d + ';'; 
    }
    function ser_string(s) { 
        //var utf8 = utf16to8(s);
        var utf8 = s;//当判断是中文时不进行编码转换
        sb[p++] = 's:' + chkLength(utf8) + ':"'; 
        sb[p++] = utf8; 
        sb[p++] = '";'; 
    } 
    function ser_array(a) { 
        sb[p++] = 'a:'; 
        var lp = p; 
        sb[p++] = 0; 
        sb[p++] = ':{'; 
        for (var k in a) { 
            if (typeof(a[k]) != 'function') { 
                is_int(k) ? ser_integer(k) : ser_string(k); 
                __serialize(a[k]); 
                sb[lp]++; 
            } 
        } 
        sb[p++] = '}'; 
    } 
    function ser_object(o) { 
        var cn = classname(o); 
        if (cn == '') ser_null(); 
        else if (typeof(o.serialize) != 'function') { 
            sb[p++] = 'O:' + cn.length + ':"'; 
            sb[p++] = cn; 
            sb[p++] = '":'; 
            var lp = p; 
            sb[p++] = 0; 
            sb[p++] = ':{'; 
            if (typeof(o.__sleep) == 'function') { 
                var a = o.__sleep(); 
                for (var kk in a) { 
                    ser_string(a[kk]); 
                    __serialize(o[a[kk]]); 
                    sb[lp]++; 
                } 
            } 
            else { 
                for (var k in o) { 
                    if (typeof(o[k]) != 'function') { 
                        ser_string(k); 
                        __serialize(o[k]); 
                        sb[lp]++; 
                    } 
                } 
            } 
            sb[p++] = '}'; 
        } 
        else { 
            var cs = o.serialize(); 
            sb[p++] = 'C:' + cn.length + ':"'; 
            sb[p++] = cn; 
            sb[p++] = '":' + cs.length + ':{'; 
            sb[p++] = cs; 
            sb[p++] = "}"; 
        } 
    } 
    function ser_pointref(R) { 
        sb[p++] = "R:" + R + ";";