function nav_hover(objELEMENT, blnOVER) {

    if (blnOVER) {
        objELEMENT.style.color = "#FFFFFF";
        objELEMENT.style.background = "#336699";
    } else {
        objELEMENT.style.color = "#000000";
        objELEMENT.style.background = "#CCCCCC";
    }
    
}