var hager = {};

//See http://james.padolsey.com/javascript/bujs-1-getparameterbyname/
hager.getQuerystringParameterByName = function (parameterName) {
    var match = RegExp('[?&]' + parameterName + '=([^&]*)')
                .exec(window.location.search);
                
    return match && decodeURIComponent(match[1].replace(/\+/g, ' '));
}

String.prototype.contains = function (value) {
    return (value && this.indexOf(value) > -1) ? true : false;
}