var helpOff = new Image();
helpOff.src = "/Images/TopBar/Help.gif";
var helpOn = new Image();
helpOn.src = "/Images/TopBar/HelpLit.gif";

var samplesOff = new Image();
samplesOff.src = "/Images/TopBar/Samples.gif";
var samplesOn = new Image();
samplesOn.src = "/Images/TopBar/SamplesLit.gif";

var designOff = new Image();
designOff.src = "/Images/TopBar/Design.gif";
var designOn = new Image();
designOn.src = "/Images/TopBar/DesignLit.gif";

var servicesOff = new Image();
servicesOff.src = "/Images/TopBar/Services.gif";
var servicesOn = new Image();
servicesOn.src = "/Images/TopBar/ServicesLit.gif";

var loginOff = new Image();
loginOff.src = "/Images/TopBar/Login.gif";
var loginOn = new Image();
loginOn.src = "/Images/TopBar/LoginLit.gif";

function checkPage() {
    var str = document.location.toString();
    if (str.match(/\/Design/)) {
        designOn.src = "/Images/TopBar/DesignAt.gif";
        designOff.src = designOn.src;
        document.design.src = designOn.src;
    } else if (str.match(/\/Help/)) {
        helpOn.src = "/Images/TopBar/HelpAt.gif";
        helpOff.src = helpOn.src;
        document.help.src = helpOn.src;
    } else if (str.match(/\/Login/)) {
        loginOn.src = "/Images/TopBar/LoginAt.gif";
        loginOff.src = loginOn.src;
        document.login.src = loginOn.src;
    } else if (str.match(/\/Services/)) {
        servicesOn.src = "/Images/TopBar/ServicesAt.gif";
        servicesOff.src = servicesOn.src;
        document.services.src = servicesOn.src;
    } else if (str.match(/\/Samples/)) {
        samplesOn.src = "/Images/TopBar/SamplesAt.gif";
        samplesOff.src = samplesOn.src;
        document.samples.src = samplesOn.src;
    }
}