// JavaScript Document

function rawurldecode( str ) 
{
    // http://kevin.vanzonneveld.net
    // +   original by: Brett Zamir
    // *     example 1: rawurldecode('Kevin+van+Zonneveld%21');
    // *     returns 1: 'Kevin+van+Zonneveld!'
    // *     example 2: rawurldecode('http%3A%2F%2Fkevin.vanzonneveld.net%2F');
    // *     returns 2: 'http://kevin.vanzonneveld.net/'
    // *     example 3: rawurldecode('http%3A%2F%2Fwww.google.nl%2Fsearch%3Fq%3Dphp.js%26ie%3Dutf-8%26oe%3Dutf-8%26aq%3Dt%26rls%3Dcom.ubuntu%3Aen-US%3Aunofficial%26client%3Dfirefox-a');
    // *     returns 3: 'http://www.google.nl/search?q=php.js&ie=utf-8&oe=utf-8&aq=t&rls=com.ubuntu:en-US:unofficial&client=firefox-a'
 
    var histogram = {};
    var ret = str.toString(); 
		var search = "";
 
    var replacer = function(search, replace, str) {
        var tmp_arr = []; 
        tmp_arr = str.split(search);
        return tmp_arr.join(replace);
    };
 
    // The histogram is identical to the one in urlencode.
    histogram["'"]   = '%27';
    histogram['(']   = '%28';
    histogram[')']   = '%29';
    histogram['*']   = '%2A';
    histogram['~']   = '%7E';
    histogram['!']   = '%21';
 
    for (replace in histogram) {
        search = histogram[replace]; // Switch order when decoding
        ret = replacer(search, replace, ret) // Custom replace. No regexing
    }
 
    // End with decodeURIComponent, which most resembles PHP's encoding functions
    ret = decodeURIComponent(ret);
 
    return ret;
}