if (mtDropDown.isSupported()) {
	var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft);
	var menu1 = ms.addMenu(document.getElementById("menu1"));
	menu1.addItem("afval", "nl_tc_afval.html");
	menu1.addItem("advies", "nl_tc_advies.html");
	menu1.addItem("bemonstering", "nl_tc_bemonstering.html");
	menu1.addItem("logistiek", "nl_tc_logistiek.html");
	menu1.addItem("vergunningen en vervoer", "nl_tc_vergunningen.html");
	menu1.addItem("verpakking en opslag", "nl_tc_verpakking.html");
	menu1.addItem("technische oplossingen", "nl_tc_oplossingen.html");
	
	mtDropDown.renderAll();
}