Uglify uri

gistfile1.js

    var strtr = function(str, from, to) {
        //  discuss at: http://phpjs.org/functions/strtr/
        // original by: Brett Zamir (http://brett-zamir.me)
        //    input by: uestla
        //    input by: Alan C
        //    input by: Taras Bogach
        //    input by: jpfle
        // bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
        // bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
        // bugfixed by: Brett Zamir (http://brett-zamir.me)
        // bugfixed by: Brett Zamir (http://brett-zamir.me)
        //  depends on: krsort
        //  depends on: ini_set
        //   example 1: $trans = {'hello' : 'hi', 'hi' : 'hello'};
        //   example 1: strtr('hi all, I said hello', $trans)
        //   returns 1: 'hello all, I said hi'
        //   example 2: strtr('äaabaåccasdeöoo', 'äåö','aao');
        //   returns 2: 'aaabaaccasdeooo'
        //   example 3: strtr('ääääääää', 'ä', 'a');
        //   returns 3: 'aaaaaaaa'
        //   example 4: strtr('http', 'pthxyz','xyzpth');
        //   returns 4: 'zyyx'
        //   example 5: strtr('zyyx', 'pthxyz','xyzpth');
        //   returns 5: 'http'
        //   example 6: strtr('aa', {'a':1,'aa':2});
        //   returns 6: '2'

        var fr = '',
        i = 0,
        j = 0,
        lenStr = 0,
        lenFrom = 0,
        tmpStrictForIn = false,
        fromTypeStr = '',
        toTypeStr = '',
        istr = '';
        var tmpFrom = [];
        var tmpTo = [];
        var ret = '';
        var match = false;

        // Received replace_pairs?
        // Convert to normal from->to chars
        if (typeof from === 'object') {
            // Not thread-safe; temporarily set to true
            tmpStrictForIn = this.ini_set('phpjs.strictForIn', false);
            from = this.krsort(from);
            this.ini_set('phpjs.strictForIn', tmpStrictForIn);

            for (fr in from) {
                if (from.hasOwnProperty(fr)) {
                    tmpFrom.push(fr);
                    tmpTo.push(from[fr]);
                }
            }

            from = tmpFrom;
            to = tmpTo;
        }

        // Walk through subject and replace chars when needed
        lenStr = str.length;
        lenFrom = from.length;
        fromTypeStr = typeof from === 'string';
        toTypeStr = typeof to === 'string';

        for (i = 0; i < lenStr; i++) {
            match = false;
            if (fromTypeStr) {
                istr = str.charAt(i);
                for (j = 0; j < lenFrom; j++) {
                    if (istr == from.charAt(j)) {
                        match = true;
                        break;
                    }
                }
            } else {
                for (j = 0; j < lenFrom; j++) {
                    if (str.substr(i, from[j].length) == from[j]) {
                        match = true;
                        // Fast forward
                        i = (i + from[j].length) - 1;
                        break;
                    }
                }
            }
            if (match) {
                ret += toTypeStr ? to.charAt(j) : to[j];
            } else {
                ret += str.charAt(i);
            }
        }

        return ret;
    };

    var rotUrl = function($url) { 
        return strtr($url, 
                     './-:?=&%# ZQXJKVWPY abcdefghijklmnopqrstuvwxyz123456789ABCDEFGHILMNORSTU', 
                     'ZQXJKVWPY ./-:?=&%# 123456789ABCDEFGHILMNORSTUabcdefghijklmnopqrstuvwxyz'); 
    };

    var derotUrl = function($url) { 
        return strtr($url, 
                     'ZQXJKVWPY ./-:?=&%# 123456789ABCDEFGHILMNORSTUabcdefghijklmnopqrstuvwxyz', 
                     './-:?=&%# ZQXJKVWPY abcdefghijklmnopqrstuvwxyz123456789ABCDEFGHILMNORSTU');
    };

    var rotted = rotUrl("catId=21&depId=27;17&catId=27");
    console.log(rotted);
    var derotted = derotUrl("31Mr4VbaW45Gr4Vbg;ag");
    console.log(derotted);