var closeFlyout = false;
function showMenu() {
        document.getElementById('flyoutimages').style.display = 'block';
        closeFlyout = false;
}
function setDontHide() {
        closeFlyout = false;
}
function checkForHide() {
   closeFlyout = true;
   setTimeout("hideMenu()", 500);
}
function hideMenu() {
        if ( closeFlyout ) {
          document.getElementById('flyoutimages').style.display = 'none';
        }
}