if (mtDropDown.isSupported()) {

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

var menu1 = ms.addMenu(document.getElementById("menu1"));
menu1.addItem("Available Sizes","cs-sizes.htm");
menu1.addItem("Features/Benefits","cs-features.htm");
menu1.addItem("Heaters","heaters.htm");
menu1.addItem("Options and Accessories","cs-options.htm");
menu1.addItem("The Transportation Advantage","cs-transportation.htm");
menu1.addItem("CBM Shelters","cs-cbm-shelters.htm");

var menu2 = ms.addMenu(document.getElementById("menu2"));
menu2.addItem("Introduction","downloads/VaultedRoofBrochure.pdf");
menu2.addItem("Available Sizes","vr-sizes.htm");
menu2.addItem("Features/Benefits","vr-features.htm");
menu2.addItem("Heaters","heaters.htm");
menu2.addItem("Options and Accessories","vr-options.htm");
menu2.addItem("Transportation","vr-transportation.htm");

var menu3 = ms.addMenu(document.getElementById("menu3"));
menu3.addItem("Available Sizes","mb-sizes.htm");
menu3.addItem("Features/Benefits","mb-features.htm");
menu3.addItem("Specifications","mb-specifications.htm");
menu3.addItem("Heaters","heaters.htm");
menu3.addItem("Equipment Mounting","mb-equip-mounting.htm");
menu3.addItem("Building Accessories","mb-options.htm");
menu3.addItem("The Transportation Advantage","mb-transportation.htm");
menu3.addItem("Repair Procedure","downloads/Repair_Instructions.pdf");

var menu4 = ms.addMenu(document.getElementById("menu4"));
menu4.addItem("Overview","oag-overview.htm");
menu4.addItem("Pumpjack Buildings","pumpjack.htm");
menu4.addItem("Water Injection","water-injection.htm");
menu4.addItem("Custom Buildings","custom_oag.htm");

mtDropDown.renderAll();
}