function RotateLogo() {

    setTimeout("ChangeLogoToUPTO()", 3000);
}

function ChangeLogoToUPTO() {

    newImage = "url(../../Content/Images/logo.jpg)";
    document.getElementById('logo').style.backgroundImage = newImage;
    setTimeout("ChangeLogoToIMO()", 3000);

}

function ChangeLogoToIMO() {

    newImage = "url(../../Content/Images/tulogo.jpg)";
    document.getElementById('logo').style.backgroundImage = newImage;
    setTimeout("ChangeLogoToUPTO()", 3000);

}