var erIsDdMenu=false;
if (mtDropDown.isSupported()) {
var ms = new mtDropDownSet(mtDropDown.direction.down, 11,1, mtDropDown.reference.bottomLeft);
erIsDdMenu=true;
var menu1 = ms.addMenu(document.getElementById("menu1"));
menu1.addItem("» Home", "index.php?id=1");
menu1.addItem("» Colofon", "index.php?id=21");
var menu6 = ms.addMenu(document.getElementById("menu6"));
menu6.addItem("» Beschrijving soort", "index.php?id=5");
menu6.addItem("» Herkenning", "index.php?id=10");
menu6.addItem("» Leefgebied", "index.php?id=11");
menu6.addItem("» Levenscyclus", "index.php?id=12");
menu6.addItem("» Gedrag", "index.php?id=13");
menu6.addItem("» Beheer", "index.php?id=14");
menu6.addItem("» Zwarte stern", "index.php?id=15");
var menu7 = ms.addMenu(document.getElementById("menu7"));
menu7.addItem("» Verspreiding", "index.php?id=6");
menu7.addItem("» Waarnemingen doorgeven", "index.php?id=16");
var menu2 = ms.addMenu(document.getElementById("menu2"));
menu2.addItem("» Nieuws", "index.php?id=2");
menu2.addItem("» Persberichten", "index.php?id=17");
menu2.addItem("» Nieuwsbrieven Fryslân", "index.php?id=18");
menu2.addItem("» Gedragscode", "index.php?id=19");
mtDropDown.renderAll();
};