Jquery – Get the query string parameter

function GetQueryStringParams(sParam) {

    var sPageURL = decodeURI(window.location.search.substring(1));

    var sURLVariables = sPageURL.split(‘?’);

    for (var i = 0; i < sURLVariables.length; i++) {

        var sParameterName = sURLVariables[i].split(‘=’);

        if (sParameterName[0] == sParam) {

            return sParameterName[1];

        }

    }

}