function showSubNav(tabIndex) {
    switch (tabIndex) {
        case 1: { document.getElementById("ctl00_Header1_AboutSubNav").className = "SubNavShow SubNavShow_About"; break; }
        case 2: { document.getElementById("ctl00_Header1_AccreditationSubNav").className = "SubNavShow SubNavShow_Accreditation"; break; }
        case 3: { document.getElementById("ctl00_Header1_ResourcesSubNav").className = "SubNavShow SubNavShow_Resources"; break; }
        case 4: { document.getElementById("ctl00_Header1_NewsAndMediaSubNav").className = "SubNavShow SubNavShow_NewsAndMedia"; break; }
    }
}

function hideSubNav(tabIndex) {
    switch (tabIndex) {
        case 1: { document.getElementById("ctl00_Header1_AboutSubNav").className = "SubNav SubNavShow_About"; break; }
        case 2: { document.getElementById("ctl00_Header1_AccreditationSubNav").className = "SubNav SubNavShow_Accreditation"; break; }
        case 3: { document.getElementById("ctl00_Header1_ResourcesSubNav").className = "SubNav SubNavShow_Resources"; break; }
        case 4: { document.getElementById("ctl00_Header1_NewsAndMediaSubNav").className = "SubNav SubNavShow_NewsAndMedia"; break; }
    }
}

function showSubSubNav(id) {
     document.getElementById(id).className = "SubSubNavShow";
}

function hideSubSubNav(id) {
     document.getElementById(id).className = "SubSubNav";
}