Get querystring key value pairs

getParams.js

// get the querystring key value pairs
// eg. http:www.example.com/document?a=1&b="2"&c=JavaScript_%D1%88%D0%B5%D0%BB%D0%BB%D1%8B
// will return {a: "1", b: "2", c: "JavaScript_шеллы"}

var params = (function getURLParams(qs) {
    var pairs = {};
    qs.forEach(function(param) {
        var pair = param.split('=');
        pairs[pair[0]] = decodeURIComponent(pair[1].replace(/\"/g, ''));
    });
    return pairs;
}(window.location.search.substr(1).split('&')));