$ektron(document).ready(function() {

    var contentContainer = $ektron('#content_container');

    var currentSectionToSelect = '';

    if (contentContainer && contentContainer.attr) {
        currentSectionToSelect = contentContainer.attr("class");
    }

    if ('' != currentSectionToSelect) {
        $ektron('#main_nav li[class*=' + currentSectionToSelect + ']').addClass("selected");
    }

});