var mouseOverTop = false;
var mouseOverSub = false;

$(document).ready(function () {
});

function MouseOver() {
    mouseOverTop = true;
    hideShow();
}

function MouseOut() {
    mouseOverTop = false;
    hideShow();
}

function MouseOverSub() {
    mouseOverSub = true;
    hideShow();
}

function MouseOutSub() {
    mouseOverSub = false;
    hideShow();
}

function hideShow() {
    if (mouseOverTop || mouseOverSub) {
        $(".nav_subbutton").show();
    } else {
        $(".nav_subbutton").hide();
    }
}