if (mtDropDown.isSupported()) {

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


var menu1 = ms.addMenu(document.getElementById("menu1"));
var menu2 = ms.addMenu(document.getElementById("menu2"));
var menu3 = ms.addMenu(document.getElementById("menu3"));
var menu4 = ms.addMenu(document.getElementById("menu4"));
var menu5 = ms.addMenu(document.getElementById("menu5"));
var menu6 = ms.addMenu(document.getElementById("menu6"));

menu1.addItem("Terre Kleen&#153","terre_kleen.php");
menu1.addItem("Terre Arch&#153","terre_arch.php");
menu1.addItem("Terre Box&#153","terre_box.php");
menu1.addItem("Terre Filter&#153","terre_filter.php");
menu1.addItem("Terre Maintenance&#153","terre_maintenance.php");


menu2.addItem("Design","services.php");
menu2.addItem("Engineering","services.php");
menu2.addItem("Manufacturing","services.php");
menu2.addItem("Installation","services.php");
menu2.addItem("Maintenance","services.php");


menu3.addItem("Terre Kleen&#153","terre_kleen.php");
menu3.addItem("Terre Arch&#153","terre_arch.php");
menu3.addItem("Terre Box&#153","terre_box.php");
menu3.addItem("Terre Filter&#153","terre_filter.php");
menu3.addItem("Terre Maintenance&#153","terre_maint.php");

menu4.addItem("Understanding NPDES","npdes.php");
menu4.addItem("Chesapeake Bay Issues","chesapeake_bay.php");
menu4.addItem("Trading Nutrient and Sediment Reduction Credits","trading.php");

menu5.addItem("Map of Installations","map.php");
menu5.addItem("List of Installations","list.php");
menu5.addItem("Terre World","terre_world.php");
menu5.addItem("Applications","applications.php");

menu6.addItem("History","history.php");
menu6.addItem("Awards","awards.php");
menu6.addItem("Memberships","memberships.php");
menu6.addItem("Press","press.php");


mtDropDown.renderAll();
}