function showSplashVacances() {
    document.getElementById('vacancesOn').style.display = "block";
}
function hideSplashVacances() {
    document.getElementById('vacancesOn').style.display = "none";
}
function showSplashAffaires() {
    document.getElementById('affairesOn').style.display = "block";
}
function hideSplashAffaires() {
    document.getElementById('affairesOn').style.display = "none";
}
function showSplashSportif() {
    document.getElementById('sportifOn').style.display = "block";
}
function hideSplashSportif() {
    document.getElementById('sportifOn').style.display = "none";
}