var XML = {};
$(document).ready(function () {
    var methodUrl = '../shop/XML/content.xml?v=201111151534';
    XML = ajaxRequestXML(methodUrl);
    function ajaxRequestXML(methodUrl, requestData) {
        var responseData;
        $.ajax({
            type: "GET",
            url: methodUrl,
            data: {},
            dataType: "xml",
            async: false,
            success: function (data) { responseData = data },
            failure: function () { alert('Failed') }
        });
        return responseData;
    }
});