var erIsDdMenu=false;
if (mtDropDown.isSupported()) {
var ms = new mtDropDownSet(mtDropDown.direction.down, 11,1, mtDropDown.reference.bottomLeft);
erIsDdMenu=true;
var menu57 = ms.addMenu(document.getElementById("menu57"));
menu57.addItem("» Soortbeschrijving", "index.php?id=89");
menu57.addItem("» Leefwijze", "index.php?id=91");
menu57.addItem("» Leefgebied", "index.php?id=92");
menu57.addItem("» Beheer", "index.php?id=105");
var menu58 = ms.addMenu(document.getElementById("menu58"));
menu58.addItem("» Het model", "index.php?id=93");
menu58.addItem("» Opbouw en parameters", "index.php?id=95");
menu58.addItem("» Scenario's", "index.php?id=97");
var submenu58_97 = menu58.addMenu(menu58.items[2]);
submenu58_97.addItem("» Scenario's", "index.php?id=97");
submenu58_97.addItem("» Scenario 1: geen beheermaatregelen", "index.php?id=107");
submenu58_97.addItem("» Scenario 2: corridors", "index.php?id=108");
submenu58_97.addItem("» Scenario 3: verhoogde overleving ei en rups", "index.php?id=109");
submenu58_97.addItem("» Scenario 4: Herintroductie in De Lindevallei", "index.php?id=110");
var menu59 = ms.addMenu(document.getElementById("menu59"));
menu59.addItem("» Resultaten", "index.php?id=98");
menu59.addItem("» geen beheermaatregelen", "index.php?id=99");
menu59.addItem("» corridors", "index.php?id=100");
menu59.addItem("» verhoogde overleving ei en rups", "index.php?id=101");
menu59.addItem("» herintroductie", "index.php?id=102");
mtDropDown.renderAll();
};