$(document).ready(function() {
    // store url for current page as global variable
    current_page = document.location.href
    // apply selected states depending on current page
    $("#TabOne").addClass('selected');
    if (current_page.match(/visiting/)) {
        $("#TabOne").removeClass('selected');
        $("#TabTwo").addClass('selected');
    } else if (current_page.match(/visiting/)) {
        $("#TabOne").removeClass('selected');
        $("#TabTwo").addClass('selected');
    } else if (current_page.match(/walkthrough/)) {
        $("#TabOne").removeClass('selected');
        $("#TabThree").addClass('selected');
    } else if (current_page.match(/whats_on/)) {
        $("#TabOne").removeClass('selected');
        $("#TabFour").addClass('selected');
    } else if (current_page.match(/pump_room_restaurant/)) {
        $("#TabOne").removeClass('selected');
        $("#TabFive").addClass('selected');
    } else if (current_page.match(/learning/)) {
        $("#TabOne").removeClass('selected');
        $("#TabSix").addClass('selected');
    } else if (current_page.match(/artefacts/)) {
        $("#TabOne").removeClass('selected');
        $("#TabSeven").addClass('selected');
    } else if (current_page.match(/explore/)) {
        $("#TabOne").removeClass('selected');
        $("#TabSeven").addClass('selected');
    } else if (current_page.match(/about_us/)) {
        $("#TabOne").removeClass('selected');
        $("#TabEight").addClass('selected');
    } else if (current_page.match(/error404.htm/)) {
        $("#TabOne").removeClass('selected');
    } else if (current_page.match(/error.htm/)) {
        $("#TabOne").removeClass('selected');
    } else if (current_page.match(/page_not_found/)) {
        $("#TabOne").removeClass('selected');
    }   
});