if (mtDropDown.isSupported()) {

var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 1, mtDropDown.reference.bottomLeft);

var menu1 = ms.addMenu(document.getElementById("menu1"));
menu1.addItem("History","history.htm");
menu1.addItem("Who We Are","who.htm");
menu1.addItem("Careers","careers.htm");
menu1.addItem("Tour Our Facilities","tour.htm");

var subMenu1 = menu1.addMenu(menu1.items[1]);
subMenu1.addItem("Fixed Wing Charter Service","who.htm");
subMenu1.addItem("Pipeline Surveillance Service","pipeline_surveillance.htm");

var menu2 = ms.addMenu(document.getElementById("menu2"));
menu2.addItem("Fairchild Metro 23","Fairchild_Metro_23.htm");
menu2.addItem("Dornier - 228","Dornier_228.htm");
menu2.addItem("Cessna Grand Caravan","Cessna_Grand_Caravan.htm");
menu2.addItem("Beechcraft King Air B100","Beechcraft_King.htm");
menu2.addItem("Jetstream J-32","Jetstream_J_32.htm");
menu2.addItem("Cessna Citation 501, II","Cessna_Citation.htm");

var menu3 = ms.addMenu(document.getElementById("menu3"));
menu3.addItem("Aircraft for Sale","aircraft_for_sale.htm");

mtDropDown.renderAll();
}