/**
 * HTTP utility functions
 */
(function ($) {
    /**
     * Get parameter value from query string
     */
    $.getQSParam = function (/*String*/ name) {
        if (!window.location.search)
            return;
        var qs  = window.location.search.substr(1).split(/&/);
        for (var x = 0; x < qs.length; x++) {
            var nv = qs[x].split(/=/);
            if ( nv[0] == name ) {
                return nv[1];
            }
        }
        return null;
    };
})(jQuery);