/*** Functions used in management of hidden menu options to the left of the page. ***/

function openMenu(i)
{
    document.getElementById("subMenu_" + i).style.visibility = "Visible";
}
function closeMenu(i)
{
    document.getElementById("subMenu_" + i).style.visibility = "Hidden";
}

function openiMapFocus()
{
    document.getElementById("iMapFocusContainer").style.visibility = "Visible";
}
function closeiMapFocus(i)
{
    document.getElementById("iMapFocusContainer").style.visibility = "Hidden";
}