$(document).ready(function() {
    $("#entreprise, #entreprise_en").hover(function() {
        clearTimeout(closeTimeout);
        $("#enterprise-submenu").addClass("hover");
        $(this).addClass("hover");
        openMenu = $(this);
    }, function() {
        closeTimeout = setTimeout(CloseSubMenu, 200);
    });

    $("#enterprise-submenu").hover(function() {
        clearTimeout(closeTimeout);
    }, function() {
        closeTimeout = setTimeout(CloseSubMenu, 200);
    });
});

var closeTimeout = null;
var openMenu = null;
function CloseSubMenu() {
    $("#enterprise-submenu").removeClass("hover");
    openMenu.removeClass("hover");
}